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Widespread slab melting in modern subduction zones (2023)
Journal Article
Klaver, M., Yogodzinski, G., Albert, C., Camejo-Harry, M., Elburg, M., Hoernle, K., …Millet, M. (2024). Widespread slab melting in modern subduction zones. Earth and Planetary Science Letters, 626, Article 118544. https://doi.org/10.1016/j.epsl.2023.118544

It is still a matter of intense debate to what extent partial melting of the subducting slab contributes to arc magmatism in modern subduction zones. In particular, it is difficult to differentiate between silicate melts formed by partial melting of... Read More about Widespread slab melting in modern subduction zones.

Mobility and connection among the Early Bronze Age Syrian elite (2023)
Journal Article
Stantis, C., Compton, G. S., Kharobi, A., Maaranen, N., Nowell, G. M., Macpherson, C., …Schwartz, G. M. (2023). Mobility and connection among the Early Bronze Age Syrian elite. Journal of Archaeological Science: Reports, 51, Article 104142. https://doi.org/10.1016/j.jasrep.2023.104142

The archaeological site of Umm el-Marra (in the Jabbul plain, western Syria), is a large, fortified urban center. Excavations have uncovered ten tomb structures built during the Early Bronze Age (ca. 2600–2150 BCE) that possibly contain royalty as ev... Read More about Mobility and connection among the Early Bronze Age Syrian elite.

The expendables: Bioarchaeological evidence for pauper apprentices in 19th century England and the health consequences of child labour (2023)
Journal Article
Gowland, R. L., Caffell, A. C., Quade, L., Levene, A., Millard, A. R., Holst, M., …Alexander, M. M. (2023). The expendables: Bioarchaeological evidence for pauper apprentices in 19th century England and the health consequences of child labour. PLoS ONE, 18(5), https://doi.org/10.1371/journal.pone.0284970

Child labour is the most common form of child abuse in the world today, with almost half of child workers employed in hazardous industries. The large-scale employment of children during the rapid industrialisation of the late 18th and early 19th cent... Read More about The expendables: Bioarchaeological evidence for pauper apprentices in 19th century England and the health consequences of child labour.

Slab to back-arc to arc: Fluid and melt pathways through the mantle wedge beneath the Lesser Antilles (2023)
Journal Article
Hicks, S. P., Bie, L., Rychert, C. A., Harmon, N., Goes, S., Rietbrock, A., …Kendall, J. (2023). Slab to back-arc to arc: Fluid and melt pathways through the mantle wedge beneath the Lesser Antilles. Science Advances, 9(5), https://doi.org/10.1126/sciadv.add2143

Volatiles expelled from subducted plates promote melting of the overlying warm mantle, feeding arc volcanism. However, debates continue over the factors controlling melt generation and transport, and how these determine the placement of volcanoes. To... Read More about Slab to back-arc to arc: Fluid and melt pathways through the mantle wedge beneath the Lesser Antilles.

Decarbonation of subducting carbonate-bearing sediments and basalts of altered oceanic crust: Insights into recycling of CO2 through volcanic arcs (2022)
Journal Article
Arzilli, F., Burton, M., La Spina, G., Macpherson, C. G., van Keken, P. E., & McCann, J. (2023). Decarbonation of subducting carbonate-bearing sediments and basalts of altered oceanic crust: Insights into recycling of CO2 through volcanic arcs. Earth and Planetary Science Letters, 602, Article 117945. https://doi.org/10.1016/j.epsl.2022.117945

The geological carbon cycle has played a key role in controlling climate throughout Earth's history. For the last ∼3 billion years plate tectonics has driven subduction. Subducted slabs have transported CO2 from the lithosphere, hydrosphere, and atmo... Read More about Decarbonation of subducting carbonate-bearing sediments and basalts of altered oceanic crust: Insights into recycling of CO2 through volcanic arcs.

Origin and evolution of the slab fluids since subduction inception in the Izu-Bonin-Mariana: A comparison with the southeast Mariana fore-arc rift (2022)
Journal Article
Ribeiro, J., MacLeod, C., Lissenberg, J., Ryan, J., & Macpherson, C. (2022). Origin and evolution of the slab fluids since subduction inception in the Izu-Bonin-Mariana: A comparison with the southeast Mariana fore-arc rift. Chemical Geology, 601, Article 120813. https://doi.org/10.1016/j.chemgeo.2022.120813

Subduction zones have played a central role in exchanging volatiles (H2O, CO2, S, halogens) between the different Earth's reservoirs throughout its history. Fluids that are released as the subducted plates dehydrate are major agents that transfer the... Read More about Origin and evolution of the slab fluids since subduction inception in the Izu-Bonin-Mariana: A comparison with the southeast Mariana fore-arc rift.

The Principles of Helium Exploration (2022)
Journal Article
Danabalan, D., Gluyas, J. G., Macpherson, C. G., Abraham-James, T. H., Bluett, J. J., Barry, P. H., & Ballentine, C. J. (2022). The Principles of Helium Exploration. Petroleum Geoscience, 28(2), petgeo2021-029. https://doi.org/10.1144/petgeo2021-029

Commercial helium systems have been found to date as a serendipitous by-product of petroleum exploration. There are nevertheless significant differences in the source and migration properties of helium compared with petroleum. An understanding of the... Read More about The Principles of Helium Exploration.

Jordanian migration and mobility in the Middle Bronze Age (ca. 2100–1550 BCE) at Pella (2021)
Journal Article
Stantis, C., Maaranen, N., Kharobi, A., Nowell, G. M., Macpherson, C., Schutkowski, H., & Bourke, S. (2022). Jordanian migration and mobility in the Middle Bronze Age (ca. 2100–1550 BCE) at Pella. International Journal of Osteoarchaeology, 32(2), 339-357. https://doi.org/10.1002/oa.3069

The site of Pella, located in the foothills of the east Jordan valley, was a prosperous city–state throughout the Middle Bronze Age (MBA, ca. 2000–1500 BCE). As part of a widespread trading network, Pella enjoyed extensive socio-economic relationship... Read More about Jordanian migration and mobility in the Middle Bronze Age (ca. 2100–1550 BCE) at Pella.

Sidon on the breadth of the wild sea: Movement and diet on the Mediterranean coast in the Middle Bronze Age (2021)
Journal Article
Stantis, C., Maaranen, N., Kharobi, A., Nowell, G. M., Macpherson, C., Doumet‐Serhal, C., & Schutkowski, H. (2022). Sidon on the breadth of the wild sea: Movement and diet on the Mediterranean coast in the Middle Bronze Age. American Journal of Biological Anthropology, 177(1), 116-133. https://doi.org/10.1002/ajpa.24423

Objectives Excavations at Sidon (Lebanon) have revealed dual identities during the Middle Bronze Age (ca. 2000–1600 BCE): a maritime port and center for local distribution, as well as a settlement with a heavy subsistence dependence on the extensive... Read More about Sidon on the breadth of the wild sea: Movement and diet on the Mediterranean coast in the Middle Bronze Age.

Variation in Upper Plate Crustal and Lithospheric Mantle Structure in the Greater and Lesser Antilles from Ambient Noise Tomography (2021)
Journal Article
Schlaphorst, D., Harmon, N., Kendall, J., Rychert, C., Collier, J., Rietbrock, A., …Wilson, M. (2021). Variation in Upper Plate Crustal and Lithospheric Mantle Structure in the Greater and Lesser Antilles from Ambient Noise Tomography. Geochemistry, Geophysics, Geosystems, 22(7), Article e2021GC009800. https://doi.org/10.1029/2021gc009800

The crust and upper mantle structure of the Greater and Lesser Antilles Arc provides insights into key subduction zone processes in a unique region of slow convergence of old slow-spreading oceanic lithosphere. We use ambient noise tomography gathere... Read More about Variation in Upper Plate Crustal and Lithospheric Mantle Structure in the Greater and Lesser Antilles from Ambient Noise Tomography.

Multi-isotope evidence of population aggregation in the Natufian and scant migration during the early Neolithic of the Southern Levant (2021)
Journal Article
Santana, J., Millard, A., Ibáñez-Estevez, J. J., Bocquentin, F., Nowell, G., Peterkin, J., …Kafafi, Z. (2021). Multi-isotope evidence of population aggregation in the Natufian and scant migration during the early Neolithic of the Southern Levant. Scientific Reports, 11(1), Article 11857. https://doi.org/10.1038/s41598-021-90795-2

Human mobility and migration are thought to have played essential roles in the consolidation and expansion of sedentary villages, long-distance exchanges and transmission of ideas and practices during the Neolithic transition of the Near East. Few is... Read More about Multi-isotope evidence of population aggregation in the Natufian and scant migration during the early Neolithic of the Southern Levant.

Multi-isotopic study of diet and mobility in the northeastern Nile Delta (2021)
Journal Article
Stantis, C., Kharobi, A., Maaranen, N., Macpherson, C., Bietak, M., Prell, S., & Schutkowski, H. (2021). Multi-isotopic study of diet and mobility in the northeastern Nile Delta. Archaeological and Anthropological Sciences, 13(6), Article 105. https://doi.org/10.1007/s12520-021-01344-x

The origin of the Hyksos dynasty (c. 1638–1530 BCE) is thought to be rooted in the Near East given the architectural features and burial customs present at the site of Tell el-Dabca, identified as the capital of Hyksos rule in the Eastern Delta of Eg... Read More about Multi-isotopic study of diet and mobility in the northeastern Nile Delta.

Isotopic Compositions of Plagioclase From Plutonic Xenoliths Reveal Crustal Assimilation Below Martinique, Lesser Antilles Arc (2021)
Journal Article
Brown, J., Cooper, G., Nowell, G., Macpherson, C., Neill, I., & Prytulak, J. (2021). Isotopic Compositions of Plagioclase From Plutonic Xenoliths Reveal Crustal Assimilation Below Martinique, Lesser Antilles Arc. Frontiers in Earth Science, 9, Article 682583. https://doi.org/10.3389/feart.2021.682583

The chemical and isotopic compositions of volcanic arc lavas often show evidence for involvement of a sedimentary component during magma genesis. Determining where this sedimentary component is added to arc magmas is of vital importance for constrain... Read More about Isotopic Compositions of Plagioclase From Plutonic Xenoliths Reveal Crustal Assimilation Below Martinique, Lesser Antilles Arc.

Deciphering variable mantle sources and hydrous inputs to arc magmas in Kamchatka (2021)
Journal Article
Iveson, A. A., Humphreys, M. C., Savov, I. P., de Hoog, J. C., Turner, S. J., Churikova, T. G., …Cooper, G. F. (2021). Deciphering variable mantle sources and hydrous inputs to arc magmas in Kamchatka. Earth and Planetary Science Letters, 562, https://doi.org/10.1016/j.epsl.2021.116848

The chemistry of primitive arc rocks provides a window into compositional variability in the mantle wedge, as well as slab-derived inputs to subduction-related magmatism. However, in the long-term cycling of elements between Earth's internal and exte... Read More about Deciphering variable mantle sources and hydrous inputs to arc magmas in Kamchatka.

Variable water input controls evolution of the Lesser Antilles volcanic arc (2020)
Journal Article
Cooper, G. F., Macpherson, C. G., Blundy, J. D., Maunder, B., Allen, R. W., Goes, S., …team, T. V. (2020). Variable water input controls evolution of the Lesser Antilles volcanic arc. Nature, 582, 525-529. https://doi.org/10.1038/s41586-020-2407-5

Oceanic lithosphere carries volatiles, notably water, into the mantle through subduction at convergent plate boundaries. This subducted water exercises control on the production of magma, earthquakes, formation of continental crust and mineral resour... Read More about Variable water input controls evolution of the Lesser Antilles volcanic arc.

Wide‐Angle Seismic Imaging of Two Modes of Crustal Accretion in Mature Atlantic Ocean Crust (2020)
Journal Article
Davy, R., Collier, J., Henstock, T., Rietbrock, A., Goes, S., Blundy, J., …Labahn, E. (2020). Wide‐Angle Seismic Imaging of Two Modes of Crustal Accretion in Mature Atlantic Ocean Crust. Journal of Geophysical Research. Solid Earth, 125(6), Article e2019JB019100. https://doi.org/10.1029/2019jb019100

We present a high‐resolution 2‐D P‐wave velocity model from a 225‐km‐long active seismic profile, collected over ~60–75 Ma central Atlantic crust. The profile crosses five ridge segments separated by a transform and three nontransform offsets. All ri... Read More about Wide‐Angle Seismic Imaging of Two Modes of Crustal Accretion in Mature Atlantic Ocean Crust.

A Triassic to Jurassic arc in north Borneo: Geochronology, geochemistry, and genesis of the Segama Valley Felsic Intrusions and the Sabah ophiolite (2020)
Journal Article
Burton-Johnson, A., Macpherson, C., Millar, I., Whitehouse, M., Ottley, C., & Nowell, G. (2020). A Triassic to Jurassic arc in north Borneo: Geochronology, geochemistry, and genesis of the Segama Valley Felsic Intrusions and the Sabah ophiolite. Gondwana Research, 84, 229-244. https://doi.org/10.1016/j.gr.2020.03.006

New field, geochemical, and geochronological data from the Segama Valley Felsic Intrusions (SVFI) of Sabah, north Borneo, shows them to be arc-derived tonalites; not windows or partial melts of a crystalline basement beneath Sabah. UPb zircon ages da... Read More about A Triassic to Jurassic arc in north Borneo: Geochronology, geochemistry, and genesis of the Segama Valley Felsic Intrusions and the Sabah ophiolite.

Upper Plate Stress Controls the Distribution of Mariana Arc Volcanoes (2020)
Journal Article
Andikagumi, H., Macpherson, C., & McCaffrey, K. (2020). Upper Plate Stress Controls the Distribution of Mariana Arc Volcanoes. Journal of Geophysical Research. Solid Earth, 125(2), Article e2019JB017391. https://doi.org/10.1029/2019jb017391

We present a spatial analysis of volcano distribution and morphology in the young, intraoceanic Mariana Arc. Both the quality of fit to idealised models and the divergence from those ideals indicate that Mariana Arc volcanoes are arranged into five g... Read More about Upper Plate Stress Controls the Distribution of Mariana Arc Volcanoes.

Convergence-aligned, foreland magmatism in the Arabia? Anatolia Collision: Geochronological evidence from the Karacadağ Volcanic Complex, southeast Turkey (2019)
Journal Article
Ekici, T., & MacPherson, C. (2019). Convergence-aligned, foreland magmatism in the Arabia? Anatolia Collision: Geochronological evidence from the Karacadağ Volcanic Complex, southeast Turkey. Turkish journal of earth sciences, 28, 719-733. https://doi.org/10.3906/yer-1902-25

New 40Ar/39Ar ages are presented for volcanic rocks from the Karacadağ Volcanic Complex (KVC) in SE Anatolia. These extend the oldest age recognised for the KVC for lavas from the Siverek Phase plateau basalt back to at least 17 Ma. Our data agree wi... Read More about Convergence-aligned, foreland magmatism in the Arabia? Anatolia Collision: Geochronological evidence from the Karacadağ Volcanic Complex, southeast Turkey.

Along arc heterogeneity in local seismicity across the Lesser Antilles subduction zone from a dense ocean-bottom seismometer network (2019)
Journal Article
Bie, L., Rietbrock, A., Hicks, S., Allen, R., Blundy, J., Clouard, V., …Wilson, M. (2020). Along arc heterogeneity in local seismicity across the Lesser Antilles subduction zone from a dense ocean-bottom seismometer network. Seismological Research Letters, 9(1), 237-247. https://doi.org/10.1785/0220190147

The Lesser Antilles arc is only one of two subduction zones where slow‐spreading Atlantic lithosphere is consumed. Slow‐spreading may result in the Atlantic lithosphere being more pervasively and heterogeneously hydrated than fast‐spreading Pacific l... Read More about Along arc heterogeneity in local seismicity across the Lesser Antilles subduction zone from a dense ocean-bottom seismometer network.

Generation of the Mt Kinabalu Granite by Crustal Contamination of Intraplate Magma Modelled by Equilibrated Major Element Assimilation with Fractional Crystallization (EME-AFC) (2019)
Journal Article
Burton-Johnson, A., Macpherson, C., Ottley, C., Nowell, G., & Boyce, A. (2019). Generation of the Mt Kinabalu Granite by Crustal Contamination of Intraplate Magma Modelled by Equilibrated Major Element Assimilation with Fractional Crystallization (EME-AFC). Journal of Petrology, 60(7), 1461-1487. https://doi.org/10.1093/petrology/egz036

New geochemical data are presented for the composite units of the Mount Kinabalu granitoid intrusion of Borneo and utilised to explore the discrimination between crustal- and mantle-derived granitic magmas. The geochemical data demonstrate that the u... Read More about Generation of the Mt Kinabalu Granite by Crustal Contamination of Intraplate Magma Modelled by Equilibrated Major Element Assimilation with Fractional Crystallization (EME-AFC).

Earth's deepest earthquake swarms track fluid ascent beneath nascent arc volcanoes (2019)
Journal Article
White, L. T., Rawlinson, N., Lister, G. S., Waldhauser, F., Hejrani, B., Thompson, D. A., …Morgan, J. P. (2019). Earth's deepest earthquake swarms track fluid ascent beneath nascent arc volcanoes. Earth and Planetary Science Letters, 521, 25-36. https://doi.org/10.1016/j.epsl.2019.05.048

Most of the world's explosive volcanoes are located in volcanic arcs, formed by fluid-fluxed melting of upper mantle rocks. The fluids that facilitate melting are released from subducted tectonic plates as they sink into the mantle. Yet, we have spar... Read More about Earth's deepest earthquake swarms track fluid ascent beneath nascent arc volcanoes.

Adakites without a slab: Remelting of hydrous basalt in the crust and shallow mantle of Borneo to produce the Miocene Sintang Suite and Bau Suite magmatism of West Sarawak (2019)
Journal Article
Breitfeld, H. T., Macpherson, C., Hall, R., Thirlwall, M., Ottley, C. J., & Hennig-Breitfeld, J. (2019). Adakites without a slab: Remelting of hydrous basalt in the crust and shallow mantle of Borneo to produce the Miocene Sintang Suite and Bau Suite magmatism of West Sarawak. Lithos, 344-345, 100-121. https://doi.org/10.1016/j.lithos.2019.06.016

We present new geochronological and geochemical data for Neogene magmatism from West Sarawak. Zircon U-Pb geochronology divides Neogene magmatic rocks of West Sarawak into a Lower Miocene West Sarawak Sintang Suite with ages of c. 19 to 21 Ma, and a... Read More about Adakites without a slab: Remelting of hydrous basalt in the crust and shallow mantle of Borneo to produce the Miocene Sintang Suite and Bau Suite magmatism of West Sarawak.

Evidence from plutonic xenoliths for magma differentiation, mixing and storage in a volatile-rich crystal mush beneath St. Eustatius, Lesser Antilles (2019)
Journal Article
Cooper, G. F., Blundy, J. D., Macpherson, C. G., Humphreys, M. C., & Davidson, J. P. (2019). Evidence from plutonic xenoliths for magma differentiation, mixing and storage in a volatile-rich crystal mush beneath St. Eustatius, Lesser Antilles. Contributions to Mineralogy and Petrology, 174(5), Article 39. https://doi.org/10.1007/s00410-019-1576-4

Quantifying the storage conditions and evolution of different magmatic components within sub-volcanic plumbing systems is key to our understanding of igneous processes and products. Whereas erupted magmas represent a portion of the eruptible volcanic... Read More about Evidence from plutonic xenoliths for magma differentiation, mixing and storage in a volatile-rich crystal mush beneath St. Eustatius, Lesser Antilles.

Tectonic strain recorded by magnetic fabrics (AMS) in plutons, including Mt Kinabalu, Borneo: A tool to explore past tectonic regimes and syn-magmatic deformation (2018)
Journal Article
Burton-Johnson, A., Macpherson, C., Muraszko, J., Harrison, R., & Jordan, T. (2019). Tectonic strain recorded by magnetic fabrics (AMS) in plutons, including Mt Kinabalu, Borneo: A tool to explore past tectonic regimes and syn-magmatic deformation. Journal of Structural Geology, 119, 50-60. https://doi.org/10.1016/j.jsg.2018.11.014

Tectonic strain commonly overprints magmatic fabrics in AMS (Anisotropy of Magnetic Susceptibility) data for plutonic rocks produced by both compressional and extensional regimes. Mt Kinabalu, Borneo, is a composite pluton with an exceptional vertica... Read More about Tectonic strain recorded by magnetic fabrics (AMS) in plutons, including Mt Kinabalu, Borneo: A tool to explore past tectonic regimes and syn-magmatic deformation.

Internal structure and emplacement mechanism of composite plutons: Evidence from Mt Kinabalu, Borneo (2016)
Journal Article
Burton-Johnson, A., Macpherson, C., & Hall, R. (2017). Internal structure and emplacement mechanism of composite plutons: Evidence from Mt Kinabalu, Borneo. Journal of the Geological Society, 174(1), 180-191. https://doi.org/10.1144/jgs2016-041

The internal structure and emplacement mechanisms of composite plutons are investigated using new field data from the composite Late Miocene granitic intrusion of Mt Kinabalu in northern Borneo. The pluton was emplaced in the upper to middle crust in... Read More about Internal structure and emplacement mechanism of composite plutons: Evidence from Mt Kinabalu, Borneo.

Seeing through the Effects of Crustal Assimilation to Assess the Source Composition beneath the Southern Lesser Antilles Arc (2015)
Journal Article
Bezard, R., Turner, S., Davidson, J., Macpherson, C., & Lindsay, J. (2015). Seeing through the Effects of Crustal Assimilation to Assess the Source Composition beneath the Southern Lesser Antilles Arc. Journal of Petrology, 56(4), 815-844. https://doi.org/10.1093/petrology/egv018

Assessing the impact of crustal assimilation on the composition of oceanic arc lavas is important if source composition is to be correctly interpreted. This is particularly the case in the Lesser Antilles where lavas encompass a very large range in r... Read More about Seeing through the Effects of Crustal Assimilation to Assess the Source Composition beneath the Southern Lesser Antilles Arc.

Aerosol forcing of the position of the intertropical convergence zone since AD1550 (2015)
Journal Article
Ridley, H., Asmerom, Y., Baldini, J., Breitenbach, S., Aquino, V., Prufer, K., …Haug, G. (2015). Aerosol forcing of the position of the intertropical convergence zone since AD1550. Nature Geoscience, 8(3), 195-200. https://doi.org/10.1038/ngeo2353

The position of the intertropical convergence zone is an important control on the distribution of low-latitude precipitation. Its position is largely controlled by hemisphere temperature contrasts1, 2. The release of aerosols by human activities may... Read More about Aerosol forcing of the position of the intertropical convergence zone since AD1550.

Foreland Magmatism during the Arabia–Eurasia Collision: Pliocene–Quaternary Activity of the Karacadağ Volcanic Complex, SW Turkey (2014)
Journal Article
Ekici, T., Macpherson, C., Otlu, N., & Fontignie, D. (2014). Foreland Magmatism during the Arabia–Eurasia Collision: Pliocene–Quaternary Activity of the Karacadağ Volcanic Complex, SW Turkey. Journal of Petrology, 55(9), 1753-1777. https://doi.org/10.1093/petrology/egu040

Pliocene to Quaternary magmatism in the Karacadağ Volcanic Complex in SE Turkey occurred in the foreland region of the Arabia–Eurasia collision and can be divided into two phases. The earlier Karacadağ phase formed a north–south-trending volcanic rid... Read More about Foreland Magmatism during the Arabia–Eurasia Collision: Pliocene–Quaternary Activity of the Karacadağ Volcanic Complex, SW Turkey.

Insights from Pb and O isotopes into along-arc variations in subduction inputs and crustal assimilation for volcanic rocks in Java, Sunda arc, Indonesia (2014)
Journal Article
Handley, H., Blichert-Toft, J., Gertisser, R., Macpherson, C., Turner, S., Zaennudin, A., & Abdurrachman, M. (2014). Insights from Pb and O isotopes into along-arc variations in subduction inputs and crustal assimilation for volcanic rocks in Java, Sunda arc, Indonesia. Geochimica et Cosmochimica Acta, 139, 205-226. https://doi.org/10.1016/j.gca.2014.04.025

New Pb isotope data are presented for Gede Volcanic Complex, Salak and Galunggung volcanoes in West Java, Merbabu and Merapi volcanoes in Central Java and Ijen Volcanic Complex in East Java of the Sunda arc, Indonesia. New O isotope data for Merbabu... Read More about Insights from Pb and O isotopes into along-arc variations in subduction inputs and crustal assimilation for volcanic rocks in Java, Sunda arc, Indonesia.

Assimilation of sediments embedded in the oceanic arc crust: myth or reality? (2014)
Journal Article
Bezard, R., Davidson, J., Turner, S., Macpherson, C., Lindsay, J., & Boyce, A. (2014). Assimilation of sediments embedded in the oceanic arc crust: myth or reality?. Earth and Planetary Science Letters, 395, 51-60. https://doi.org/10.1016/j.epsl.2014.03.038

Arc magmas are commonly assumed to form by melting of sub-arc mantle that has been variably enriched by a component from the subducted slab. Although most magmas that reach the surface are not primitive, the impact of assimilation of the arc crust is... Read More about Assimilation of sediments embedded in the oceanic arc crust: myth or reality?.

Age and petrology of the Usun Apau and Linau Balui volcanics: Windows to central Borneo’s interior (2013)
Journal Article
Cullena, A., Macpherson, C., Taib, N., Burton-Johnson, A., Dennis Geist, D., Spell, T., & Banda, R. (2013). Age and petrology of the Usun Apau and Linau Balui volcanics: Windows to central Borneo’s interior. Journal of Asian Earth Sciences, 76, 372-388. https://doi.org/10.1016/j.jseaes.2013.05.003

The Usun Apau plateau lies in a remote area of Sarawak along the Tinjar Line, which defines the onshore part of a suture between the Luconia and Dangerous Grounds blocks. Reconnaissance studies in late 1950s established that the plateau is composed o... Read More about Age and petrology of the Usun Apau and Linau Balui volcanics: Windows to central Borneo’s interior.

Mobility histories of 7th-9th century AD people buried at Early Medieval Bamburgh, Northumberland, England (2013)
Journal Article
Groves, S., Roberts, C., Lucy, S., Pearson, G., Gröcke, D., Nowell, G., …Young, G. (2013). Mobility histories of 7th-9th century AD people buried at Early Medieval Bamburgh, Northumberland, England. American journal of physical anthropology, 151(3), 462-476. https://doi.org/10.1002/ajpa.22290

Early Medieval England is described historically as a time when people migrated from the Continent to English shores. This study tests the hypothesis that those buried in the Bowl Hole cemetery, Bamburgh, Northumberland were nonlocally born, because... Read More about Mobility histories of 7th-9th century AD people buried at Early Medieval Bamburgh, Northumberland, England.

Linear volcanic segments in the central Sunda Arc, Indonesia, identified using Hough Transform analysis: Implications for arc lithosphere control upon volcano distribution (2013)
Journal Article
Pacey, A., Macpherson, C., & McCaffrey, K. (2013). Linear volcanic segments in the central Sunda Arc, Indonesia, identified using Hough Transform analysis: Implications for arc lithosphere control upon volcano distribution. Earth and Planetary Science Letters, 369-370, 24-33. https://doi.org/10.1016/j.epsl.2013.02.040

Hough Transform analysis is used as an objective means to constrain volcano distribution in the central Sunda Arc, Indonesia. Most volcanoes in the arc define four en echelon, linear segments, each of 500–700 km length. Javan volcanoes that do not li... Read More about Linear volcanic segments in the central Sunda Arc, Indonesia, identified using Hough Transform analysis: Implications for arc lithosphere control upon volcano distribution.

Moving peoples, changing diets: Isotopic differences highlight migration and subsistence changes in the Upper Mun River Valley, Thailand (2013)
Journal Article
King, C., Bentley, R., Tayles, N., Strand Vidarsdottir, U., Nowell, G., & Macpherson, C. (2013). Moving peoples, changing diets: Isotopic differences highlight migration and subsistence changes in the Upper Mun River Valley, Thailand. Journal of Archaeological Science, 40(4), 1681-1688. https://doi.org/10.1016/j.jas.2012.11.013

The dramatic growth of dietary isotope studies in archaeological literature attests to the significant potential this technique has for shedding light on past societies. Human diet reflects complex, inter-linked factors such as status, cultural prefe... Read More about Moving peoples, changing diets: Isotopic differences highlight migration and subsistence changes in the Upper Mun River Valley, Thailand.

Isotopic tracing of the impact of mobility on infectious disease: The origin of people with treponematosis buried in hull, England, in the late medieval period. (2012)
Journal Article
Roberts, C., Millard, A., Nowell, G., Gröcke, D., Macpherson, C., Pearson, G., & Evans, D. (2013). Isotopic tracing of the impact of mobility on infectious disease: The origin of people with treponematosis buried in hull, England, in the late medieval period. American journal of physical anthropology, 150(2), 273-285. https://doi.org/10.1002/ajpa.22203

Treponematosis has been one of the most studied and debated infectious diseases in paleopathology, particularly from the standpoint of its origin, evolution, and transmission. This study links evidence for treponematosis in skeletons from the 14th–16... Read More about Isotopic tracing of the impact of mobility on infectious disease: The origin of people with treponematosis buried in hull, England, in the late medieval period..

Polybaric melting of a single mantle source during the Neogene Siverek phase of the Karacadağ Volcanic Complex, SE Turkey (2012)
Journal Article
Ekici, T., Macpherson, C., & Otlu, N. (2012). Polybaric melting of a single mantle source during the Neogene Siverek phase of the Karacadağ Volcanic Complex, SE Turkey. Lithos, 146-147, 152-163. https://doi.org/10.1016/j.lithos.2012.05.004

Siverek plateau basalts represent the Neogene activity of the Karacadağ Volcanic Complex in southeast Turkey and can be divided into two groups based on incompatible element concentrations. Group 1 is largely basaltic, containing some alkali basalts,... Read More about Polybaric melting of a single mantle source during the Neogene Siverek phase of the Karacadağ Volcanic Complex, SE Turkey.

Long-term preservation of slab signatures in the mantle inferred from hydrogen isotopes (2012)
Journal Article
Shaw, A., Hauri, E., Behn, M., Hilton, D., Macpherson, C., & Sinton, J. (2012). Long-term preservation of slab signatures in the mantle inferred from hydrogen isotopes. Nature Geoscience, 5(3), 224-228. https://doi.org/10.1038/ngeo1406

Seismic tomographic images indicate that subducted lithosphere is transported into the deep mantle. Petrologic modelling shows that water contained in subducted slabs can be carried to depths of at least 200 km (ref. 2); however, whether the hydrated... Read More about Long-term preservation of slab signatures in the mantle inferred from hydrogen isotopes.

Evolution of the East Philippine Arc: Experimental constraints on magmatic phase relations and adakitic melt formation (2011)
Journal Article
Coldwell, B., Adam, J., Rushmer, T., & Macpherson, C. (2011). Evolution of the East Philippine Arc: Experimental constraints on magmatic phase relations and adakitic melt formation. Contributions to Mineralogy and Petrology, 162(4), 835-848. https://doi.org/10.1007/s00410-011-0627-2

Piston-cylinder experiments on a Pleistocene adakite from Mindanao in the Philippines have been used to establish near-liquidus and sub-liquidus phase relationships relevant to conditions in the East Philippines subduction zone. The experimental star... Read More about Evolution of the East Philippine Arc: Experimental constraints on magmatic phase relations and adakitic melt formation.

Hf-Nd isotope and trace element constraints on subduction inputs at island arcs: limitations of Hf anomalies as sediment input indicators (2011)
Journal Article
Handley, H., Turner, S., Macpherson, C., Gertisser, R., & Davidson, J. (2011). Hf-Nd isotope and trace element constraints on subduction inputs at island arcs: limitations of Hf anomalies as sediment input indicators. Earth and Planetary Science Letters, 304(1-2), 212-223. https://doi.org/10.1016/j.epsl.2011.01.034

New Nd–Hf isotope and trace element data for Javanese volcanoes are combined with recently published data to place constraints on subduction inputs at the Sunda arc in Indonesia and assess the value of Hf anomalies (expressed as Hf/Hf* and Sm/Hf rati... Read More about Hf-Nd isotope and trace element constraints on subduction inputs at island arcs: limitations of Hf anomalies as sediment input indicators.

No slab-derived CO₂ in Mariana Trough back-arc basalts: Implications for carbon subduction and for temporary storage of CO₂ beneath slow spreading ridges (2010)
Journal Article
Macpherson, C., Hilton, D., & Hammerschmidt, K. (2010). No slab-derived CO₂ in Mariana Trough back-arc basalts: Implications for carbon subduction and for temporary storage of CO₂ beneath slow spreading ridges. Geochemistry, Geophysics, Geosystems, 11(11), Article Q11007. https://doi.org/10.1029/2010gc003293

[1] The Southern Mariana Trough is particularly well suited to study mass balance in subduction zones because the flux of material recycled from the subducted slab has been shown to diminish to negligible levels in the southernmost part of the area.... Read More about No slab-derived CO₂ in Mariana Trough back-arc basalts: Implications for carbon subduction and for temporary storage of CO₂ beneath slow spreading ridges.

Geochemical and Sr-O isotopic constraints on magmatic differentiation at Gede volcanic complex, west Java, Indonesia (2010)
Journal Article
Handley, H., Macpherson, C., & Davidson, J. (2010). Geochemical and Sr-O isotopic constraints on magmatic differentiation at Gede volcanic complex, west Java, Indonesia. Contributions to Mineralogy and Petrology, 159(6), 885-908. https://doi.org/10.1007/s00410-009-0460-z

The Gede Volcanic Complex (GVC) of the Sunda island arc (West Java, Indonesia) consists of multiple volcanic centres and eruptive groups with complex magmatic histories. We present new petrological, mineralogical, whole-rock major and trace element a... Read More about Geochemical and Sr-O isotopic constraints on magmatic differentiation at Gede volcanic complex, west Java, Indonesia.

Plio-Pleistocene intra-plate magmatism from the southern Sulu Arc, Semporna peninsula, Sabah, Borneo: Implications for high-Nb basalt in subduction zones (2010)
Journal Article
Macpherson, C., Chiang, K., Hall, R., Nowell, G., Castillo, P., & Thirlwall, M. (2010). Plio-Pleistocene intra-plate magmatism from the southern Sulu Arc, Semporna peninsula, Sabah, Borneo: Implications for high-Nb basalt in subduction zones. Journal of Volcanology and Geothermal Research, 190(1-2), 25-38. https://doi.org/10.1016/j.jvolgeores.2009.11.004

New analyses of major and trace element concentrations and Sr, Nd and Pb isotopic ratios are presented for Plio-Pleistocene basalts and basaltic andesites from the Semporna peninsula in Sabah, Borneo, at the southern end of the Sulu Arc. Depletion of... Read More about Plio-Pleistocene intra-plate magmatism from the southern Sulu Arc, Semporna peninsula, Sabah, Borneo: Implications for high-Nb basalt in subduction zones.

Pyroxenite-rich mantle formed by recycled oceanic lithosphere: Oxygen-osmium isotope evidence from Canary Island lavas (2009)
Journal Article
Day, J., Pearson, D., Macpherson, C., Lowry, D., & Carracedo, J. (2009). Pyroxenite-rich mantle formed by recycled oceanic lithosphere: Oxygen-osmium isotope evidence from Canary Island lavas. Geology, 37(6), 555-558. https://doi.org/10.1130/g25613a.1

Plate tectonic processes result in recycling of crust and lithosphere into Earth's mantle. Evidence for long-term preservation of recycled reservoirs in the mantle comes from the enriched isotopic character of oceanic island basalt (OIB) lavas. Altho... Read More about Pyroxenite-rich mantle formed by recycled oceanic lithosphere: Oxygen-osmium isotope evidence from Canary Island lavas.

Community diversity at Ban Lum Khao, Thailand: Isotopic evidence from the skeletons (2009)
Journal Article
Bentley, R., Cox, K., Tayles, N., Higham, C., Macpherson, C., Nowell, G., …Hayes, T. (2009). Community diversity at Ban Lum Khao, Thailand: Isotopic evidence from the skeletons. Asian Perspectives: The Journal of Archaeology for Asia and the Pacific, 48(1), 79-97. https://doi.org/10.1353/asi.0.0017

Isotopes of strontium, carbon, and oxygen were analyzed in human tooth enamel from the Bronze Age site of Ban Lum Khao (c. 1400 B.C.–500 B.C.) in Thailand. The strontium and oxygen isotopes, which generally reflect place of origin, delimit discrete g... Read More about Community diversity at Ban Lum Khao, Thailand: Isotopic evidence from the skeletons.

Untangling differentiation in arc lavas: constraints from unusual minor and trace element variations at Salak Volcano, Indonesia (2008)
Journal Article
Handley, H., Davidson, J., Macpherson, C., & Stimac, J. (2008). Untangling differentiation in arc lavas: constraints from unusual minor and trace element variations at Salak Volcano, Indonesia. Chemical Geology, 255(3-4), 360-376. https://doi.org/10.1016/j.chemgeo.2008.07.007

Volcanic rocks from Salak Volcano in West Java display intriguing minor and trace element geochemical variations with silica. TiO2 and P2O5 contents, Y, HFSE and REE concentrations are abnormally rich in the Central Vent Group (CVG) lavas (e.g. Y = 3... Read More about Untangling differentiation in arc lavas: constraints from unusual minor and trace element variations at Salak Volcano, Indonesia.

Lithosphere erosion and crustal growth in subduction zones: Insights from initiation of the nascent East Philippine Arc (2008)
Journal Article
Macpherson, C. (2008). Lithosphere erosion and crustal growth in subduction zones: Insights from initiation of the nascent East Philippine Arc. Geology, 36(4), 311-314. https://doi.org/10.1130/g24412a.1

The Philippine Trench marks a nascent plate margin where subduction initiation is propagating from north to south. Magma compositions in the East Philippine Arc record thinning of arc lithosphere as it is eroded from below. Lithosphere is thicker ben... Read More about Lithosphere erosion and crustal growth in subduction zones: Insights from initiation of the nascent East Philippine Arc.

LAPITA MIGRANTS IN THE PACIFIC’S OLDEST CEMETERY:ISOTOPIC ANALYSIS AT TEOUMA, VANUATU (2007)
Journal Article
Alexander Bentley, R., Buckley, H. R., Spriggs, M., Bedford, S., Ottley, C. J., Nowell, G. M., …Graham Pearson, D. (2007). LAPITA MIGRANTS IN THE PACIFIC’S OLDEST CEMETERY:ISOTOPIC ANALYSIS AT TEOUMA, VANUATU. American Antiquity, 72, 645-656

Teouma, an archaeological site on Efate Island, Vanuatu, features the earliest cemetery yet discovered of the colonizers of Remote Oceania, from the late second millennium B.C. In order to investigate potential migration of seventeen human individual... Read More about LAPITA MIGRANTS IN THE PACIFIC’S OLDEST CEMETERY:ISOTOPIC ANALYSIS AT TEOUMA, VANUATU.

Amphibole “sponge” in arc crust? (2007)
Journal Article
Davidson, J., Turner, S., Handley, H., Macpherson, C., & Dosseto, A. (2007). Amphibole “sponge” in arc crust?. Geology, 35(9), 787-790. https://doi.org/10.1130/g23637a.1

Pressure-temperature-time paths followed by arc magmas ascending through the lithosphere dictate the phase assemblage that crystallizes, and hence the compositions of liquid fractionates. Here we use La/Yb and Dy/Yb versus SiO2 relationships from sel... Read More about Amphibole “sponge” in arc crust?.

Constraining fluid and sediment contributions to subduction-related magmatism in Indonesia: Ijen Volcanic Complex (2007)
Journal Article
Handley, H., Macpherson, C., Davidson, J., Berlo, K., & Lowry, D. (2007). Constraining fluid and sediment contributions to subduction-related magmatism in Indonesia: Ijen Volcanic Complex. Journal of Petrology, 48(6), 1155-1183. https://doi.org/10.1093/petrology/egm013

Ijen Volcanic Complex (IVC) in East Java, Indonesia is situated on thickened oceanic crust within the Quaternary volcanic front of the Sunda arc. The 20 km wide calderas complex contains around 22 post-caldera eruptive centres, positioned either arou... Read More about Constraining fluid and sediment contributions to subduction-related magmatism in Indonesia: Ijen Volcanic Complex.

Shifting gender relations at Khok Phanom Di, Thailand: Isotopic evidence from the skeletons (2007)
Journal Article
Bentley, R., Tayles, N., Higham, C., Macpherson, C., & Atkinson, T. (2007). Shifting gender relations at Khok Phanom Di, Thailand: Isotopic evidence from the skeletons. Current Anthropology, 48(2), 301-314. https://doi.org/10.1086/512987

The values for isotopes of strontium, carbon, and oxygen in human tooth enamel from the prehistoric site of Khok Phanom Di (ca. 2100–1500 BC) in Thailand shed light on human mobility and marital residence during a crucial period of subsistence change... Read More about Shifting gender relations at Khok Phanom Di, Thailand: Isotopic evidence from the skeletons.

Adakites without slab melting: high pressure differentiation of island arc magma, Mindanao, the Philippines (2006)
Journal Article
Macpherson, C., Dreher, S., & Thirlwall, M. (2006). Adakites without slab melting: high pressure differentiation of island arc magma, Mindanao, the Philippines. Earth and Planetary Science Letters, 243(3-4), 581-593. https://doi.org/10.1016/j.epsl.2005.12.034

New geochemical data for Pleistocene magmatic rocks from the Surigao peninsula, eastern Mindanao, the Philippines, demonstrate typical adakitic traits, including elevation of Sr / Y and depletion of the heavy rare earth elements. 87Sr / 86Sr and 143N... Read More about Adakites without slab melting: high pressure differentiation of island arc magma, Mindanao, the Philippines.

Re-Os isotope studies of Mindanao adakites: Implications for sources of metals and melts (2005)
Journal Article
Dreher, S., Macpherson, C., Pearson, D., & Davidson, J. (2005). Re-Os isotope studies of Mindanao adakites: Implications for sources of metals and melts. Geology, 33(12), 957-960. https://doi.org/10.1130/g21755.1

Whether the downgoing slab in modern subduction zones is able to melt is an important unresolved aspect of plate tectonics. Rare arc lavas with high Sr/Y ratios and low Y and heavy rare earth element concentrations, called adakites, are often attribu... Read More about Re-Os isotope studies of Mindanao adakites: Implications for sources of metals and melts.

Sources, degassing, and contamination of CO₂, H₂O, He, Ne and Ar in basaltic glasses from Kolbeinsey Ridge, North Atlantic (2005)
Journal Article
Macpherson, C., Hilton, D., Mertz, D., & Dunai, T. (2005). Sources, degassing, and contamination of CO₂, H₂O, He, Ne and Ar in basaltic glasses from Kolbeinsey Ridge, North Atlantic. Geochimica et Cosmochimica Acta, 69(24), 5729-5746. https://doi.org/10.1016/j.gca.2005.07.015

New volatile data (CO₂, H₂O, He, Ne, and Ar) are presented for 24 submarine basaltic glasses from the Kolbeinsey Ridge, Tjörnes Fracture Zone and Mohns Ridge, North Atlantic. Low CO₂ and He contents indicate that magmas were strongly outgassed with t... Read More about Sources, degassing, and contamination of CO₂, H₂O, He, Ne and Ar in basaltic glasses from Kolbeinsey Ridge, North Atlantic.

High-3He/4He, depleted mantle and low-δ18O, recycled oceanic lithosphere in the source of central Iceland magmatism (2005)
Journal Article
Macpherson, C., Hilton, D., Day, J., Lowry, D., & Gronvold, K. (2005). High-3He/4He, depleted mantle and low-δ18O, recycled oceanic lithosphere in the source of central Iceland magmatism. Earth and Planetary Science Letters, 233(3-4), 411-427. https://doi.org/10.1016/j.epsl.2005.02.037

New helium and oxygen isotope data and trace element concentrations are reported for volcanic rocks from central Iceland. Basalts that are depleted in the most incompatible trace elements possess a wide range in 3He/4He but most ratios are similar to... Read More about High-3He/4He, depleted mantle and low-δ18O, recycled oceanic lithosphere in the source of central Iceland magmatism.

Timing and tectonic controls in the evolving orogen of SE Asia and the western Pacific and some implications for ore generation. (2002)
Book Chapter
Macpherson, C., & Hall, R. (2002). Timing and tectonic controls in the evolving orogen of SE Asia and the western Pacific and some implications for ore generation. In D. Blundell, F. Neubauer, & A. von Quadt (Eds.), The timing and location of major ore deposits in an evolving orogen (49-67). Geological Society of London Special Publication. https://doi.org/10.1144/gsl.sp.2002.204

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Tectonic setting of Eocene boninite magmatism in the Izu-Bonin-Mariana forearc (2001)
Journal Article
Macpherson, C., & Hall, R. (2001). Tectonic setting of Eocene boninite magmatism in the Izu-Bonin-Mariana forearc. Earth and Planetary Science Letters, 186(2), 215-230. https://doi.org/10.1016/s0012-821x%2801%2900248-5

Middle Eocene boninites were simultaneously generated over a large region during the early history of the Izu-Bonin-Mariana (IBM) arc. However, widespread boninite magmatism is not recognised in younger subduction zones of similar dimensions. This su... Read More about Tectonic setting of Eocene boninite magmatism in the Izu-Bonin-Mariana forearc.

Resolution of the effects of crustal assimilation, sediment subduction fluid transport in island arc magmas: Pb - Sr - Nd - O isotope of Grenada, Lesser Antilles. (1996)
Journal Article
Thirlwall, M., Graham, A., Arculus, R., Harmon, R., & Macpherson, C. (1996). Resolution of the effects of crustal assimilation, sediment subduction fluid transport in island arc magmas: Pb - Sr - Nd - O isotope of Grenada, Lesser Antilles. Geochimica et Cosmochimica Acta, 60(23), 4785-4810. https://doi.org/10.1016/s0016-7037%2896%2900272-4