Skip to main content

Research Repository

Advanced Search

All Outputs (198)

Determining the extent of hydrothermal interaction on the southern Costa Rica Rift ridge flank during the past 8 Ma from joint inversion of geophysical data (2017)
Presentation / Conference Contribution
Wilson, D., Moorkamp, M., Hobbs, R., Peirce, C., Harris, R., & Morgan, J. (2017, December). Determining the extent of hydrothermal interaction on the southern Costa Rica Rift ridge flank during the past 8 Ma from joint inversion of geophysical data. Paper presented at American Geophysical Union Fall Meeting

Petrophysical, Geochemical, and Hydrological Evidence for Extensive Fracture-Mediated Fluid and Heat Transport in the Alpine Fault's Hanging-Wall Damage Zone (2017)
Journal Article
Townend, J., Sutherland, R., Toy, V., Doan, M., Célérier, B., Massiot, C., …Zimmer, M. (2017). Petrophysical, Geochemical, and Hydrological Evidence for Extensive Fracture-Mediated Fluid and Heat Transport in the Alpine Fault's Hanging-Wall Damage Zone. Geochemistry, Geophysics, Geosystems, 18(12), 4709-4732. https://doi.org/10.1002/2017gc007202

Fault rock assemblages reflect interaction between deformation, stress, temperature, fluid, and chemical regimes on distinct spatial and temporal scales at various positions in the crust. Here we interpret measurements made in the hanging-wall of the... Read More about Petrophysical, Geochemical, and Hydrological Evidence for Extensive Fracture-Mediated Fluid and Heat Transport in the Alpine Fault's Hanging-Wall Damage Zone.

Coupled Re-Os and U-Pb geochronology of the Tonian Chuar Group, Grand Canyon (2017)
Journal Article
Rooney, A., Austermann, J., Smith, E., Li, Y., Selby, D., Dehler, C., …Macdonald, F. (2017). Coupled Re-Os and U-Pb geochronology of the Tonian Chuar Group, Grand Canyon. GSA Bulletin, 130(7-8), 1085-1098. https://doi.org/10.1130/b31768.1

Well-preserved strata of the late Tonian Chuar Group exposed in the Grand Canyon host fossil evidence for the development of eukaryotic predation, the presence of unique biomarkers, and large changes in C, S, and Mo isotope chemostratigraphy. Despite... Read More about Coupled Re-Os and U-Pb geochronology of the Tonian Chuar Group, Grand Canyon.

Chemical Force Microscopy Study on the Interactions of COOH Functional Groups with Kaolinite Surfaces: Implications for Enhanced Oil Recovery (2017)
Journal Article
Santha, N., Cubillas, P., Saw, A., Brooksbank, H., & Greenwell, H. C. (2017). Chemical Force Microscopy Study on the Interactions of COOH Functional Groups with Kaolinite Surfaces: Implications for Enhanced Oil Recovery. Minerals, 7(12), Article 250. https://doi.org/10.3390/min7120250

Clay–oil interactions play a critical role in determining the wettability of sandstone oil reservoirs, which, in turn, governs the effectiveness of enhanced oil recovery methods. In this study, we have measured the adhesion between –COOH functional g... Read More about Chemical Force Microscopy Study on the Interactions of COOH Functional Groups with Kaolinite Surfaces: Implications for Enhanced Oil Recovery.

Evaluating Late Cretaceous OAEs and the influence of marine incursions on organic carbon burial in an expansive East Asian paleo-lake (2017)
Journal Article
Jones, M., Ibarra, D., Gaoc, Y., Sageman, B., Selby, D., Chamberlain, P., & Graham, S. (2018). Evaluating Late Cretaceous OAEs and the influence of marine incursions on organic carbon burial in an expansive East Asian paleo-lake. Earth and Planetary Science Letters, 484, 41-52. https://doi.org/10.1016/j.epsl.2017.11.046

Expansive Late Cretaceous lacustrine deposits of East Asia offer unique stratigraphic records to better understand regional responses to global climate events, such as oceanic anoxic events (OAEs), and terrestrial organic carbon burial dynamics. This... Read More about Evaluating Late Cretaceous OAEs and the influence of marine incursions on organic carbon burial in an expansive East Asian paleo-lake.

Sandstone Diagenesis in Sediment–lava Sequences: Exceptional Examples of Volcanically Driven Diagenetic Compartmentalization in Dune Valley, Huab Outliers, Nw Namibia (2017)
Journal Article
Grove, C., Jerram, D. A., Gluyas, J. G., & Brown, R. J. (2017). Sandstone Diagenesis in Sediment–lava Sequences: Exceptional Examples of Volcanically Driven Diagenetic Compartmentalization in Dune Valley, Huab Outliers, Nw Namibia. Journal of Sedimentary Research, 87(12), 1314-1335. https://doi.org/10.2110/jsr.2017.75

At the base of many flood basalt sequences and along volcanic rifted margins, volcanism can compete with the existing sedimentary environments, resulting in interbedded sequences of volcanic rocks and sediments. Here we report on sediment interlayers... Read More about Sandstone Diagenesis in Sediment–lava Sequences: Exceptional Examples of Volcanically Driven Diagenetic Compartmentalization in Dune Valley, Huab Outliers, Nw Namibia.

The fate of suspended sediment and particulate organic carbon in transit through the channels of a river catchment (2017)
Journal Article
Worrall, F., Burt, T. P., Howden, N. J., Hancock, G. R., & Wainwright, J. (2018). The fate of suspended sediment and particulate organic carbon in transit through the channels of a river catchment. Hydrological Processes, 32(1), 146-159. https://doi.org/10.1002/hyp.11413

Particulate organic matter (POM) transiting through rivers could be lost to overbank storage, stored in‐channel, added to by erosion or autochthonous production, or turned over to release greenhouse gases to the atmosphere (either while in the water... Read More about The fate of suspended sediment and particulate organic carbon in transit through the channels of a river catchment.

The wider context of the Lower Jurassic Toarcian oceanic anoxic event in Yorkshire coastal outcrops, UK (2017)
Journal Article
Thibault, N., Ruhl, M., Ullmann, C. V., Korte, C., Kemp, D. B., Gröcke, D. R., & Hesselbo, S. P. (2018). The wider context of the Lower Jurassic Toarcian oceanic anoxic event in Yorkshire coastal outcrops, UK. Proceedings of the Geologists' Association, 129(3), 372-391. https://doi.org/10.1016/j.pgeola.2017.10.007

The Toarcian Oceanic Anoxic Event (T-OAE, ∼183 Ma) was characterized by enhanced carbon burial, a prominent negative carbon-isotope excursion (CIE) in marine carbonate and organic matter, and numerous geochemical anomalies. A precursor excursion has... Read More about The wider context of the Lower Jurassic Toarcian oceanic anoxic event in Yorkshire coastal outcrops, UK.

A general model for the helical structure of geophysical flows in channel bends (2017)
Journal Article
Azpiroz-Zabala, M., Cartigny, M., Sumner, E., Clare, M., Talling, P., Parsons, D., & Cooper, C. (2017). A general model for the helical structure of geophysical flows in channel bends. Geophysical Research Letters, 44(23), 11,932-11,941. https://doi.org/10.1002/2017gl075721

Meandering channels formed by geophysical flows (e.g. rivers and seafloor turbidity currents) include the most extensive sediment transport systems on Earth. Previous measurements from rivers show how helical flow at meander bends plays a key role in... Read More about A general model for the helical structure of geophysical flows in channel bends.

Determining the three-dimensional geometry of a dike swarm and its impact on later rift geometry using seismic reflection data (2017)
Journal Article
Phillips, T. B., Magee, C., Jackson, C. A., & Bell, R. E. (2017). Determining the three-dimensional geometry of a dike swarm and its impact on later rift geometry using seismic reflection data. Geology, 46(2), 119-122. https://doi.org/10.1130/g39672.1

Dike swarm emplacement accommodates extension during rifting and large igneous province (LIP) formation, with ancient dike swarms serving to localize strain during later tectonic events. Deciphering three-dimensional (3-D) dike swarm geometry is crit... Read More about Determining the three-dimensional geometry of a dike swarm and its impact on later rift geometry using seismic reflection data.

Igneous intrusions in the Faroe Shetland basin and their implications for hydrocarbon exploration; new insights from well and seismic data (2017)
Journal Article
Mark, N., Schofield, N., Pugliese, S., Watson, D., Holford, S., Muirhead, D., …Healy, D. (2018). Igneous intrusions in the Faroe Shetland basin and their implications for hydrocarbon exploration; new insights from well and seismic data. Marine and Petroleum Geology, 92, 733-753. https://doi.org/10.1016/j.marpetgeo.2017.12.005

Igneous sills and dykes that intrude pervasively into prospective sedimentary basins are a common occurrence in volcanic margins, impacting the petroleum system and causing geological and technical drilling challenges during hydrocarbon exploration.... Read More about Igneous intrusions in the Faroe Shetland basin and their implications for hydrocarbon exploration; new insights from well and seismic data.

Enhancement of eruption explosivity by heterogeneous bubble nucleation triggered by magma mingling (2017)
Journal Article
Paredes-Mariño, J., Dobson, K. J., Ortenzi, G., Kueppers, U., Morgavi, D., Petrelli, M., …Perugini, D. (2017). Enhancement of eruption explosivity by heterogeneous bubble nucleation triggered by magma mingling. Scientific Reports, 7, Article 16897. https://doi.org/10.1038/s41598-017-17098-3

We present new evidence that shows magma mingling can be a key process during highly explosive eruptions. Using fractal analysis of the size distribution of trachybasaltic fragments found on the inner walls of bubbles in trachytic pumices, we show th... Read More about Enhancement of eruption explosivity by heterogeneous bubble nucleation triggered by magma mingling.

Declines in the dissolved organic carbon (DOC) concentration and flux from the UK (2017)
Journal Article
Worrall, F., Howden, N. J., Burt, T. P., & Bartlett, R. (2018). Declines in the dissolved organic carbon (DOC) concentration and flux from the UK. Journal of Hydrology, 556, 775-789. https://doi.org/10.1016/j.jhydrol.2017.12.001

Increased concentrations of dissolved organic carbon (DOC) have been reported for many catchments across the northern hemisphere. Hypotheses to explain the increase have varied (eg. increasing air temperature or recovery from acidification) but one t... Read More about Declines in the dissolved organic carbon (DOC) concentration and flux from the UK.

Shallow Aquifer Vulnerability From Subsurface Fluid Injection at a Proposed Shale Gas Hydraulic Fracturing Site (2017)
Journal Article
Wilson, M., Worrall, F., Davies, R., & Hart, A. (2017). Shallow Aquifer Vulnerability From Subsurface Fluid Injection at a Proposed Shale Gas Hydraulic Fracturing Site. Water Resources Research, 53(11), 9922-9940. https://doi.org/10.1002/2017wr021234

Groundwater flow resulting from a proposed hydraulic fracturing (fracking) operation was numerically modeled using 91 scenarios. Scenarios were chosen to be a combination of hydrogeological factors that a priori would control the long-term migration... Read More about Shallow Aquifer Vulnerability From Subsurface Fluid Injection at a Proposed Shale Gas Hydraulic Fracturing Site.