The structure of volcanic cristobalite in relation to its toxicity; relevance for the variable crystalline silica hazard

Horwell, C.J.; Williamson, B.J.; Donaldson, K.; Le Blond, J.S.; Damby, D.E.; Bowen, L.

doi:10.1186/1743-8977-9-44

Nanoindentation of Horn River Basin Shales: The Micromechanical Contrast Between Overburden and Reservoir Formations (2023)
Journal Article
Charlton, T., Rouainia, M., Aplin, A., Fisher, Q., & Bowen, L. (2023). Nanoindentation of Horn River Basin Shales: The Micromechanical Contrast Between Overburden and Reservoir Formations. Journal of Geophysical Research. Solid Earth, 128(3), Article e2022JB025957. https://doi.org/10.1029/2022jb025957

We present a micromechanical characterization of shales from the Horn River Basin, NW Canada. The shales have contrasting mineralogy and microstructures and play different geomechanical roles in the field: the sample set covers an unconventional gas... Read More about Nanoindentation of Horn River Basin Shales: The Micromechanical Contrast Between Overburden and Reservoir Formations.

Microstructure and pore systems of shallow-buried fluvial mudstone caprocks in Zhanhua Depression, east China inferred from SEM and MICP (2021)
Journal Article
Li, Y., Zha, M., Song, R., Aplin, A. C., Bowen, L., Wang, X., & Zhang, Y. (2021). Microstructure and pore systems of shallow-buried fluvial mudstone caprocks in Zhanhua Depression, east China inferred from SEM and MICP. Marine and Petroleum Geology, 132, Article 105189. https://doi.org/10.1016/j.marpetgeo.2021.105189

Shallow-buried fluvial mudstones are of great significance as potential top seals for natural gas accumulations in the Zhanhua depression. Four samples were chosen to represent the range of fine-grained microfacies, from clay-rich to silt-rich to cem... Read More about Microstructure and pore systems of shallow-buried fluvial mudstone caprocks in Zhanhua Depression, east China inferred from SEM and MICP.

Vertical effective stress and temperature as controls of quartz cementation in sandstones: Evidence from North Sea fulmar and Gulf of Mexico Wilcox sandstones (2020)
Journal Article
Oye, O. J., Aplin, A. C., Jones, S. J., Gluyas, J. G., Bowen, L., Harwood, J., …Valley, J. W. (2020). Vertical effective stress and temperature as controls of quartz cementation in sandstones: Evidence from North Sea fulmar and Gulf of Mexico Wilcox sandstones. Marine and Petroleum Geology, 115, Article 104289. https://doi.org/10.1016/j.marpetgeo.2020.104289

We present quantitative petrographic data, high spatial resolution oxygen isotope analyses of quartz cement, basin modelling and a kinetic model for quartz precipitation for two Paleocene-Eocene Wilcox Group sandstones from Texas and two Jurassic Ful... Read More about Vertical effective stress and temperature as controls of quartz cementation in sandstones: Evidence from North Sea fulmar and Gulf of Mexico Wilcox sandstones.

Coseismic ultramylonites: An investigation of nanoscale viscous flow and fault weakening during seismic slip (2019)
Journal Article
Pozzi, G., De Paola, N., Holdsworth, R. E., Bowen, L., Nielsen, S. B., & Dempsey, E. D. (2019). Coseismic ultramylonites: An investigation of nanoscale viscous flow and fault weakening during seismic slip. Earth and Planetary Science Letters, 516, 164-175. https://doi.org/10.1016/j.epsl.2019.03.042

Faults weaken during the propagation of earthquakes due to the onset of thermally-activated mechanisms, which vary depending on the rock type. Recent experimental work suggests that carbonate-hosted faults are lubricated by viscous flow in nano-granu... Read More about Coseismic ultramylonites: An investigation of nanoscale viscous flow and fault weakening during seismic slip.

A new interpretation for the nature and significance of mirror-like surfaces in experimental carbonate-hosted seismic faults (2018)
Journal Article
Pozzi, G., De Paola, N., Nielsen, S., Holdsworth, R., & Bowen, L. (2018). A new interpretation for the nature and significance of mirror-like surfaces in experimental carbonate-hosted seismic faults. Geology, 46(7), 583-586. https://doi.org/10.1130/g40197.1

Highly reflective, continuous smooth surfaces, known as "mirror-like surfaces" (MSs), have been observed in experimental carbonate-hosted faults, which were sheared at both seismic and aseismic velocities. MSs produced during high-velocity friction e... Read More about A new interpretation for the nature and significance of mirror-like surfaces in experimental carbonate-hosted seismic faults.

Diagenetic and geochemical studies of the Buchan Formation (Upper Devonian) in the Central North Sea (2018)
Journal Article
Tang, L., Gluyas, J., Jones, S., & Bowen, L. (2018). Diagenetic and geochemical studies of the Buchan Formation (Upper Devonian) in the Central North Sea. Petroleum Science, 15(2), 211-229. https://doi.org/10.1007/s12182-018-0232-3

The Upper Devonian Buchan Formation reservoirs in the UK Central North Sea are litharenite/sublitharenite and were deposited in fluvial–aeolian settings. The grain-coating clays in the aeolian sandstones have effectively inhibited quartz overgrowth.... Read More about Diagenetic and geochemical studies of the Buchan Formation (Upper Devonian) in the Central North Sea.

Reservoir quality of fluvial sandstone reservoirs in salt-walled mini-basins: an example from the Seagull field, Central Graben, North Sea, UK (2018)
Journal Article
Stricker, S., Jones, S. J., Meadows, N., & Bowen, L. (2018). Reservoir quality of fluvial sandstone reservoirs in salt-walled mini-basins: an example from the Seagull field, Central Graben, North Sea, UK. Petroleum Science, 15(1), 1-27. https://doi.org/10.1007/s12182-017-0206-x

The Triassic fluvial sandstones of the Skagerrak Formation were deposited in a series of salt-walled mini-basins and act as important hydrocarbon reservoirs for several high-pressure, high-temperature (HPHT) fields in the Central Graben, North Sea. T... Read More about Reservoir quality of fluvial sandstone reservoirs in salt-walled mini-basins: an example from the Seagull field, Central Graben, North Sea, UK.

Evolution of porosity and pore types in organic-rich, calcareous, Lower Toarcian Posidonia Shale (2016)
Journal Article
Mathia, E., Bowen, L., Thomas, K., & Aplin, A. (2016). Evolution of porosity and pore types in organic-rich, calcareous, Lower Toarcian Posidonia Shale. Marine and Petroleum Geology, 75, 117-139. https://doi.org/10.1016/j.marpetgeo.2016.04.009

Low and high resolution petrographic studies have been combined with mineralogical, TOC, RockEval and porosity data to investigate controls on the evolution of porosity in stratigraphically equivalent immature, oil-window and gas-window samples from... Read More about Evolution of porosity and pore types in organic-rich, calcareous, Lower Toarcian Posidonia Shale.

Exceptional reservoir quality in HPHT reservoir settings: examples from the Skagerrak Formation of the Heron Cluster, UK, North Sea (2016)
Journal Article
Stricker, S., Jones, S., Sathar, S., Bowen, L., & Oxtoby, N. (2016). Exceptional reservoir quality in HPHT reservoir settings: examples from the Skagerrak Formation of the Heron Cluster, UK, North Sea. Marine and Petroleum Geology, 77, 198-215. https://doi.org/10.1016/j.marpetgeo.2016.02.003

As the exploration of hydrocarbons moves into more complex and deeper basinal settings the need to understand the effect of high temperatures and high pressures on reservoir quality and rock properties becomes even more important. The fluvial channel... Read More about Exceptional reservoir quality in HPHT reservoir settings: examples from the Skagerrak Formation of the Heron Cluster, UK, North Sea.

Towards a Mechanistic Understanding of Carbon Stabilization in Manganese Oxides (2015)
Journal Article
Johnson, K., Purvis, G., Lopez-Capel, E., Peacock, C., Gray, N., Wagner, T., …Greenwell, C. (2015). Towards a Mechanistic Understanding of Carbon Stabilization in Manganese Oxides. Nature Communications, 6, Article 7628. https://doi.org/10.1038/ncomms8628

Minerals stabilize organic carbon (OC) in sediments, thereby directly affecting global climate at multiple scales, but how they do it is far from understood. Here we show that manganese oxide (Mn oxide) in a water treatment works filter bed traps dis... Read More about Towards a Mechanistic Understanding of Carbon Stabilization in Manganese Oxides.

The role of fluid pressure and diagenetic cements for porosoity preservation in Triassic fluvial reservoirs of the Central Graben, North Sea. (2013)
Journal Article
Nguyen, B., Jones, S., Goulty, N., Middleton, A., Grant, N., Ferguson, A., & Bowen, L. (2013). The role of fluid pressure and diagenetic cements for porosoity preservation in Triassic fluvial reservoirs of the Central Graben, North Sea. AAPG Bulletin, 97(8), 1273-1302. https://doi.org/10.1306/01151311163

The structure of volcanic cristobalite in relation to its toxicity; relevance for the variable crystalline silica hazard (2012)
Journal Article
Horwell, C., Williamson, B., Donaldson, K., Le Blond, J., Damby, D., & Bowen, L. (2012). The structure of volcanic cristobalite in relation to its toxicity; relevance for the variable crystalline silica hazard. Particle and Fibre Toxicology, 9, Article 44. https://doi.org/10.1186/1743-8977-9-44

Background: Respirable crystalline silica (RCS) continues to pose a risk to human health worldwide. Its variable toxicity depends on inherent characteristics and external factors which influence surface chemistry. Significant population exposure to R... Read More about The structure of volcanic cristobalite in relation to its toxicity; relevance for the variable crystalline silica hazard.

All Outputs (12)