All Outputs (168)

Determining Histories of Slip on Normal Faults With Bedrock Scarps Using Cosmogenic Nuclide Exposure Data (2021)
Journal Article
Goodall, H., Gregory, L., Wedmore, L., McCaffrey, K., Amey, R., Roberts, G., …Hooper, A. (2021). Determining Histories of Slip on Normal Faults With Bedrock Scarps Using Cosmogenic Nuclide Exposure Data. Tectonics, 40(3), https://doi.org/10.1029/2020tc006457

Cosmogenic exposure data can be used to calculate time-varying fault slip rates on normal faults with exposed bedrock scarps. The method relies on assumptions related to how the scarp is preserved, which should be consistent at multiple locations alo... Read More about Determining Histories of Slip on Normal Faults With Bedrock Scarps Using Cosmogenic Nuclide Exposure Data.

Thallium elemental and isotopic systematics in ocean island lavas (2021)
Journal Article
Brett, E., Prytulak, J., Rehkämper, M., Hammond, S., Chauvel, C., Stracke, A., & Willbold, M. (2021). Thallium elemental and isotopic systematics in ocean island lavas. Geochimica et Cosmochimica Acta, 301, 187-210. https://doi.org/10.1016/j.gca.2021.02.035

The Earth’s mantle exhibits marked chemical heterogeneity. We provide an examination of thallium systematics in ocean island basalts (OIB): new high-precision trace element analyses, including Tl, and Tl isotopic compositions for 48 OIB spanning the... Read More about Thallium elemental and isotopic systematics in ocean island lavas.

Geology, mineralogy, ore paragenesis, and molybdenite Re-Os geochronology of Sn-W (-Mo) mineralization in Padatgyaung and Dawei, Myanmar: Implications for timing of mineralization and tectonic setting (2021)
Journal Article
Myint, A. Z., Li, H., Mitchell, A., Selby, D., & Wagner, T. (2021). Geology, mineralogy, ore paragenesis, and molybdenite Re-Os geochronology of Sn-W (-Mo) mineralization in Padatgyaung and Dawei, Myanmar: Implications for timing of mineralization and tectonic setting. Journal of Asian Earth Sciences, 212, Article 104725. https://doi.org/10.1016/j.jseaes.2021.104725

The Sn-W (-Mo) deposits of Myanmar are mostly located in the Western Granite Province that is well known for its world-class Sn-W (-Mo) deposits. Previous studies have constrained the age of the granitic intrusions of the province and the timing of m... Read More about Geology, mineralogy, ore paragenesis, and molybdenite Re-Os geochronology of Sn-W (-Mo) mineralization in Padatgyaung and Dawei, Myanmar: Implications for timing of mineralization and tectonic setting.

Preconditioning by sediment accumulation can produce powerful turbidity currents without major external triggers (2021)
Journal Article
Bailey, L. P., Clare, M. A., Rosenberger, K. J., Cartigny, M. J., Talling, P. J., Paull, C. K., …Lundsten, E. (2021). Preconditioning by sediment accumulation can produce powerful turbidity currents without major external triggers. Earth and Planetary Science Letters, 562, Article 116845. https://doi.org/10.1016/j.epsl.2021.116845

Turbidity currents dominate sediment transfer into the deep ocean, and can damage critical seabed infrastructure. It is commonly inferred that powerful turbidity currents are triggered by major external events, such as storms, river floods, or earthq... Read More about Preconditioning by sediment accumulation can produce powerful turbidity currents without major external triggers.

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.

Facilitating corals in an early Silurian deep‐water assemblage (2021)
Journal Article
Dhungana, A., & Mitchell, E. G. (2021). Facilitating corals in an early Silurian deep‐water assemblage. Palaeontology, 64(3), 359-370. https://doi.org/10.1111/pala.12527

Corals are powerful ecosystem engineers and can form reef communities with extraordinary biodiversity through time. Understanding the processes underlying the spatial distribution of corals allows us to identify the key biological and physical proces... Read More about Facilitating corals in an early Silurian deep‐water assemblage.

The fate of fluvially-deposited organic carbon during transient floodplain storage (2021)
Journal Article
Scheingross, J., Repasch, M., Hovius, N., Sachse, D., Lupker, M., Fuchs, M., …Schleicher, A. (2021). The fate of fluvially-deposited organic carbon during transient floodplain storage. Earth and Planetary Science Letters, 561, https://doi.org/10.1016/j.epsl.2021.116822

CO2 release from particulate organic carbon (POC) oxidation during fluvial transit can influence climate over a range of timescales. Identifying the mechanistic controls on such carbon fluxes requires determining where POC oxidation occurs in river s... Read More about The fate of fluvially-deposited organic carbon during transient floodplain storage.

Globally distributed iridium layer preserved within the Chicxulub impact structure (2021)
Journal Article
Goderis, S., Sato, H., Ferrière, L., Schmitz, B., Burney, D., Kaskes, P., …Whalen, M. T. (2021). Globally distributed iridium layer preserved within the Chicxulub impact structure. Science Advances, 7(9), Article eabe3647. https://doi.org/10.1126/sciadv.abe3647

The Cretaceous-Paleogene (K-Pg) mass extinction is marked globally by elevated concentrations of iridium, emplaced by a hypervelocity impact event 66 million years ago. Here, we report new data from four independent laboratories that reveal a positiv... Read More about Globally distributed iridium layer preserved within the Chicxulub impact structure.

A Land of Plenty? Colonial Diet in Rural New Zealand (2021)
Journal Article
King, C. L., Petchey, P., Kinaston, R., Gröcke, D. R., Millard, A. R., Wanhalla, A., …Buckley, H. R. (2021). A Land of Plenty? Colonial Diet in Rural New Zealand. Historical Archaeology, 55(2), 250-268. https://doi.org/10.1007/s41636-020-00276-y

Colonial New Zealand was built on the ideal of creating better lives for settlers. Emigrants came looking to escape the shackles of the class-system and poor conditions in Industrial Revolution period Britain. Colonial propaganda claimed that most em... Read More about A Land of Plenty? Colonial Diet in Rural New Zealand.

The Giant Chalukou Porphyry Mo Deposit, Northeast China: The Product of a Short-Lived, High Flux Mineralizing Event (2021)
Journal Article
Zhao, Q., Zhai, D., Mathur, R., Liu, J., Selby, D., & Williams-Jones, A. E. (2021). The Giant Chalukou Porphyry Mo Deposit, Northeast China: The Product of a Short-Lived, High Flux Mineralizing Event. Economic geology and the bulletin of the Society of Economic Geologists, 116(5), 1209-1225. https://doi.org/10.5382/econgeo.4818

Whether giant porphyry ore deposits are the products of single, short-lived magmatic-hydrothermal events or multiple events over a prolonged interval is a topic of considerable debate. Previous studies, however, have all been devoted to porphyry Cu a... Read More about The Giant Chalukou Porphyry Mo Deposit, Northeast China: The Product of a Short-Lived, High Flux Mineralizing Event.

Evolution and properties of young oceanic crust: constraints from Poisson's ratio (2021)
Journal Article
Funnell, M., Robinson, A., Hobbs, R., & Peirce, C. (2021). Evolution and properties of young oceanic crust: constraints from Poisson's ratio. Geophysical Journal International, 225(3), 1874-1896. https://doi.org/10.1093/gji/ggab062

The seismic velocity of the oceanic crust is a function of its physical properties that include its lithology, degree of alteration, and porosity. Variations in these properties are particularly significant in young crust, but also occur with age as... Read More about Evolution and properties of young oceanic crust: constraints from Poisson's ratio.

Timing of the Meso-Tethys Ocean opening: Evidence from Permian sedimentary provenance changes in the South Qiangtang Terrane, Tibetan Plateau (2021)
Journal Article
Fan, J., Niu, Y., Luo, A., Xie, C., Hao, Y., & Liu, H. (2021). Timing of the Meso-Tethys Ocean opening: Evidence from Permian sedimentary provenance changes in the South Qiangtang Terrane, Tibetan Plateau. Palaeogeography, Palaeoclimatology, Palaeoecology, 567, https://doi.org/10.1016/j.palaeo.2021.110265

Timing of the opening of the Meso-Tethys Ocean, represented by the Bangong–Nujiang Suture Zone on the Tibetan Plateau, remains controversial. Further research is required to understand the breakup of the northern Gondwana margin and the tectonic evol... Read More about Timing of the Meso-Tethys Ocean opening: Evidence from Permian sedimentary provenance changes in the South Qiangtang Terrane, Tibetan Plateau.

Lithospheric modification at the onset of the destruction of the North China Craton: Evidence from Late Triassic mafic dykes (2021)
Journal Article
Wang, C., Song, S., Su, L., Allen, M. B., & Dong, J. (2021). Lithospheric modification at the onset of the destruction of the North China Craton: Evidence from Late Triassic mafic dykes. Chemical Geology, 566, Article 120105. https://doi.org/10.1016/j.chemgeo.2021.120105

Mantle-derived magmatism provides important insights for understanding the mechanism of lithospheric thinning. Here we report the results of an integrated geochronological and geochemical study of Late Triassic mafic dykes in Eastern Hebei, northern... Read More about Lithospheric modification at the onset of the destruction of the North China Craton: Evidence from Late Triassic mafic dykes.

Depositional influences on Re-Os systematics of Late Cretaceous–Eocene fluvio-deltaic coals and coaly mudstones, Taranaki Basin, New Zealand (2021)
Journal Article
Rotich, E. K., Handler, M. R., Sykes, R., Selby, D., & Naeher, S. (2021). Depositional influences on Re-Os systematics of Late Cretaceous–Eocene fluvio-deltaic coals and coaly mudstones, Taranaki Basin, New Zealand. International Journal of Coal Geology, 236, Article 103670. https://doi.org/10.1016/j.coal.2020.103670

The factors controlling Re-Os systematics and potential for geochronology in organic-rich sedimentary rocks deposited in fully terrestrial to paralic environments are not well understood. Here we present Re-Os, bulk pyrolysis and sulfur data for coal... Read More about Depositional influences on Re-Os systematics of Late Cretaceous–Eocene fluvio-deltaic coals and coaly mudstones, Taranaki Basin, New Zealand.

A 50‐Year Record Of Nitrate Concentrations In The Slapton Ley Catchment, Devon, United Kingdom (2021)
Journal Article
Burt, T., Worrall, F., Howden, N., Jarvie, H., Pratt, A., & Hutchinson, T. (2021). A 50‐Year Record Of Nitrate Concentrations In The Slapton Ley Catchment, Devon, United Kingdom. Hydrological Processes, 35(1), Article e13955. https://doi.org/10.1002/hyp.13955

Slapton Ley, a coastal lake, is the largest natural body of fresh water in south‐west England. There was concern in the 1960s that the lake was becoming increasingly eutrophic. To quantify inputs of water, sediment and nutrients into the lake, Slapto... Read More about A 50‐Year Record Of Nitrate Concentrations In The Slapton Ley Catchment, Devon, United Kingdom.

Analysis of deformation bands associated with the Trachyte Mesa intrusion, Henry Mountains, Utah: implications for reservoir connectivity and fluid flow around sill intrusions (2021)
Journal Article
Wilson, P. I., Wilson, R. W., Sanderson, D. J., Jarvis, I., & McCaffrey, K. J. (2021). Analysis of deformation bands associated with the Trachyte Mesa intrusion, Henry Mountains, Utah: implications for reservoir connectivity and fluid flow around sill intrusions. Solid Earth, 12(1), https://doi.org/10.5194/se-12-95-2021

Shallow-level igneous intrusions are a common feature of many sedimentary basins, and there is increased recognition of the syn-emplacement deformation structures in the host rock that help to accommodate this magma addition. However, the sub-seismic... Read More about Analysis of deformation bands associated with the Trachyte Mesa intrusion, Henry Mountains, Utah: implications for reservoir connectivity and fluid flow around sill intrusions.

The structural evolution of pull-apart basins in response to changes in plate motion (2021)
Journal Article
Farangitakis, G., McCaffrey, K., Willingshofer, E., Allen, M., Kalnins, L., van Hunen, J., …Sokoutis, D. (2021). The structural evolution of pull-apart basins in response to changes in plate motion. Basin Research, 33(2), 1603-1625. https://doi.org/10.1111/bre.12528

Pull‐apart basins are structural features linked to the interactions between strike‐slip and extensional tectonics. Their morphology and structural evolution are determined by factors such as extension rate, the basin length/width ratio, and changes... Read More about The structural evolution of pull-apart basins in response to changes in plate motion.

Shear deformation of nano- and micro-crystalline olivine at seismic slip rates (2021)
Journal Article
Thieme, M., Pozzi, G., Demouchy, S., De Paola, N., Barou, F., Koizumi, S., & Bowen, L. (2021). Shear deformation of nano- and micro-crystalline olivine at seismic slip rates. Tectonophysics, 802, Article 228736. https://doi.org/10.1016/j.tecto.2021.228736

Several thermally activated mechanisms have been proposed to explain the dynamic weakening of faults at fast, seismic slip rates v > 0.1 m s- 1. Nevertheless, direct constraints from microstructural observations on the operation of such weakening mec... Read More about Shear deformation of nano- and micro-crystalline olivine at seismic slip rates.

Freshwater monitoring by nanopore sequencing (2021)
Journal Article
Urban, L., Holzer, A., Baronas, J. J., Hall, M. B., Braeuninger-Weimer, P., Scherm, M. J., …Stammnitz, M. R. (2021). Freshwater monitoring by nanopore sequencing. eLife, 10, https://doi.org/10.7554/elife.61504

While traditional microbiological freshwater tests focus on the detection of specific bacterial indicator species, including pathogens, direct tracing of all aquatic DNA through metagenomics poses a profound alternative. Yet, in situ metagenomic wate... Read More about Freshwater monitoring by nanopore sequencing.

Effects of marine biofertilisation on Celtic bean carbon, nitrogen and sulphur isotopes: implications for reconstructing past diet and farming practices (2021)
Journal Article
Gröcke, D. R., Treasure, E. R., Lester, J. J., Gron, K. J., & Church, M. J. (2021). Effects of marine biofertilisation on Celtic bean carbon, nitrogen and sulphur isotopes: implications for reconstructing past diet and farming practices. Rapid Communications in Mass Spectrometry, 35(5), Article e8985. https://doi.org/10.1002/rcm.8985

Rationale: The application of fertilisers to crops can be monitored and assessed using stable isotope ratios. However, the application of marine biofertilisers (e.g. fish, macroalgae/seaweed) on crop stable isotope ratios has been rarely studied, des... Read More about Effects of marine biofertilisation on Celtic bean carbon, nitrogen and sulphur isotopes: implications for reconstructing past diet and farming practices.