Simultaneous fall and flow during pyroclastic eruptions: A novel proximal hybrid facies (2022)
Journal Article
Dowey, N., & Williams, R. (2022). Simultaneous fall and flow during pyroclastic eruptions: A novel proximal hybrid facies. Geology, 50(10), 1187-1191. https://doi.org/10.1130/G50169.1

The deposits of Plinian and subplinian eruptions provide critical insights into past volcanic events and inform numerical models that aim to mitigate against future hazards. However, pyroclastic deposits are often considered from either a fallout or... Read More about Simultaneous fall and flow during pyroclastic eruptions: A novel proximal hybrid facies.

Diachronous end-Permian terrestrial ecosystem collapse with its origin in wildfires (2022)
Journal Article
Lu, J., Wang, Y., Yang, M., Zhang, P., Bond, D. P., Shao, L., & Hilton, J. (2022). Diachronous end-Permian terrestrial ecosystem collapse with its origin in wildfires. Palaeogeography, palaeoclimatology, palaeoecology, 594, Article 110960. https://doi.org/10.1016/j.palaeo.2022.110960

The Permian-Triassic Mass Extinction (PTME) is the greatest biodiversity crisis in Earth history and while the marine crisis is increasingly well constrained, the timing and cause(s) of terrestrial losses remain poorly understood. There have been sug... Read More about Diachronous end-Permian terrestrial ecosystem collapse with its origin in wildfires.

Top tips for tackling plastic pollution – from marine scientists (2021)
Other
Collins, C., Caswell, B., & Waller, C. (2021). Top tips for tackling plastic pollution – from marine scientists. London

Making environmentally friendly choices is complex: here's a guide to help you at home or out shopping.

Sulfidic anoxia in the oceans during the Late Ordovician mass extinctions – insights from molybdenum and uranium isotopic global redox proxies (2021)
Journal Article
Dahl, T. W., Hammarlund, E. U., Rasmussen, C. M. Ø., Bond, D. P., & Canfield, D. E. (2021). Sulfidic anoxia in the oceans during the Late Ordovician mass extinctions – insights from molybdenum and uranium isotopic global redox proxies. Earth-Science Reviews, 220, Article 103748. https://doi.org/10.1016/j.earscirev.2021.103748

The Late Ordovician Mass Extinction wiped out 85% of animal species in two phases (LOME1 and LOME2). The kill mechanisms for the extinction phases are debated, but deteriorating climate and the expansion of marine anoxia appear to have been important... Read More about Sulfidic anoxia in the oceans during the Late Ordovician mass extinctions – insights from molybdenum and uranium isotopic global redox proxies.

A UK perspective on tackling the geoscience racial diversity crisis in the Global North (2021)
Journal Article
Barclay, J., Dowey, N., Fernando, B., Giles, S., Houghton, J., Jackson, C., …Williams, R. (in press). A UK perspective on tackling the geoscience racial diversity crisis in the Global North. Nature Geoscience, https://doi.org/10.1038/s41561-021-00737-w

New early oligocene zircon U-Pb dates for the ‘Miocene’ Wenshan Basin, Yunnan, China: Biodiversity and paleoenvironment (2021)
Journal Article
Tian, Y., Spicer, R. A., Huang, J., Zhou, Z., Su, T., Widdowson, M., …Zhang, S. (2021). New early oligocene zircon U-Pb dates for the ‘Miocene’ Wenshan Basin, Yunnan, China: Biodiversity and paleoenvironment. Earth and planetary science letters, 565, Article 116929. https://doi.org/10.1016/j.epsl.2021.116929

The sedimentary basins of Yunnan, Southwest China, record detailed histories of Cenozoic paleoenvironmental change. They track regional tectonic and palaeobiological evolution, both of which are critically important for the development of modern flor... Read More about New early oligocene zircon U-Pb dates for the ‘Miocene’ Wenshan Basin, Yunnan, China: Biodiversity and paleoenvironment.

Transient Permian-Triassic euxinia in the southern Panthalassa deep ocean (2021)
Journal Article
Takahashi, S., Strachan, L. J., Yin, R., Wignall, P. B., Bond, D. P., & Grasby, S. E. (in press). Transient Permian-Triassic euxinia in the southern Panthalassa deep ocean. Geology, 49(8), 889-893. https://doi.org/10.1130/G48928.1

Both the duration and severity of deep-water anoxic conditions across the Permian-Triassic mass extinction (PTME) are controversial. Panthalassa Ocean circulation models yield varying results, ranging from a well-ventilated deep ocean to rapidly deve... Read More about Transient Permian-Triassic euxinia in the southern Panthalassa deep ocean.

Volcanological evolution of Pantelleria Island (Strait of Sicily) peralkaline volcano: a review (2021)
Journal Article
Jordan, N. J., White, J. C., Williams, R., Speranza, F., Rotolo, S. G., & Scaillet, S. (in press). Volcanological evolution of Pantelleria Island (Strait of Sicily) peralkaline volcano: a review. Comptes Rendus Géoscience, 353(S2), 1-22. https://doi.org/10.5802/CRGEOS.51

Pantelleria volcano has a particularly intriguing evolutionary history intimately related to the peralkaline composition of its explosively erupted magmas. Due to the stratigraphic complexity, studies over the last two decades have explored either on... Read More about Volcanological evolution of Pantelleria Island (Strait of Sicily) peralkaline volcano: a review.

The earthquake cycle in the dry lower continental crust: insights from two deeply exhumed terranes (Musgrave Ranges, Australia and Lofoten, Norway) (2021)
Journal Article
Menegon, L., Campbell, L., Mancktelow, N., Camacho, A., Wex, S., Papa, S., …Pennacchioni, G. (2021). The earthquake cycle in the dry lower continental crust: insights from two deeply exhumed terranes (Musgrave Ranges, Australia and Lofoten, Norway). Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 379(2193), Article 20190416. https://doi.org/10.1098/rsta.2019.0416

This paper discusses the results of field-based geological investigations of exhumed rocks exposed in the Musgrave Ranges (Central Australia) and in Nusfjord (Lofoten, Norway) that preserve evidence for lower continental crustal earthquakes with foca... Read More about The earthquake cycle in the dry lower continental crust: insights from two deeply exhumed terranes (Musgrave Ranges, Australia and Lofoten, Norway).

Global warming and mass extinctions associated with large igneous province volcanism (2021)
Book Chapter
Bond, D. P., & Sun, Y. (2021). Global warming and mass extinctions associated with large igneous province volcanism. In R. E. Ernst, A. J. Dickson, & A. Bekker (Eds.), Large Igneous Provinces: A Driver of Global Environmental and Biotic Changes (83-102). American Geophysical Union. https://doi.org/10.1002/9781119507444.ch3

The coincidence of large igneous province (LIP) eruptions with at least three, if not all, of the Big Five biotic crises of the Phanerozoic implies that volcanism is a key driver of mass extinctions. Many LIP-induced extinction scenarios invoke globa... Read More about Global warming and mass extinctions associated with large igneous province volcanism.

The role of pedogenesis and natural fertiliser as vectors for essential metal content in agricultural topsoils, Central India (2021)
Journal Article
Suhr, N., Widdowson, M., & Kamber, B. S. (2021). The role of pedogenesis and natural fertiliser as vectors for essential metal content in agricultural topsoils, Central India. SN Applied Sciences, 3(1), Article 40. https://doi.org/10.1007/s42452-020-03982-7

© 2021, The Author(s). Essential trace metals are well known for their environmental toxicity and for being part of complex bio-chemical cycles. Their role as critical micronutrients, delivering vital health benefits, is less widely discussed and und... Read More about The role of pedogenesis and natural fertiliser as vectors for essential metal content in agricultural topsoils, Central India.

A Middle Eocene lowland humid subtropical "Shangri-La" ecosystem in central Tibet (2020)
Journal Article
Su, T., Spicer, R. A., Wu, F. X., Farnsworth, A., Huang, J., Del Rio, C., …Zhou, Z. K. (2020). A Middle Eocene lowland humid subtropical "Shangri-La" ecosystem in central Tibet. Proceedings of the National Academy of Sciences of the United States of America, 117(52), 32989-32995. https://doi.org/10.1073/pnas.2012647117

Copyright © 2020 the Author(s). Published by PNAS. Tibet's ancient topography and its role in climatic and biotic evolution remain speculative due to a paucity of quantitative surface-height measurements through time and space, and sparse fossil reco... Read More about A Middle Eocene lowland humid subtropical "Shangri-La" ecosystem in central Tibet.

The role of lithospheric thickness in the formation of ocean islands and seamounts: contrasts between the Louisville and Emperor-Hawaiian hotspot trails (2020)
Journal Article
Fitton, J. G., Williams, R., Barry, T. L., & Saunders, A. D. (2020). The role of lithospheric thickness in the formation of ocean islands and seamounts: contrasts between the Louisville and Emperor-Hawaiian hotspot trails. Journal of Petrology, 61(11-12), Article egaa111. https://doi.org/10.1093/petrology/egaa111

The Hawaii-Emperor and Louisville seamounts form the two most prominent time-progressive hotspot trails on Earth. Both formed over a similar time interval on lithosphere with a similar range of ages and thickness. The Hawaii-Emperor seamounts are lar... Read More about The role of lithospheric thickness in the formation of ocean islands and seamounts: contrasts between the Louisville and Emperor-Hawaiian hotspot trails.

Fracture attribute scaling and connectivity in the Devonian Orcadian Basin with implications for geologically equivalent sub-surface fractured reservoirs (2020)
Journal Article
Dichiarante, A. M., McCaffrey, K. J. W., Holdsworth, R. E., Bjørnarå, T. I., & Dempsey, E. D. (2020). Fracture attribute scaling and connectivity in the Devonian Orcadian Basin with implications for geologically equivalent sub-surface fractured reservoirs. Solid Earth, 11(6), 2221-2244. https://doi.org/10.5194/se-11-2221-2020

Fracture attribute scaling and connectivity datasets from analogue systems are widely used to inform sub-surface fractured reservoir models in a range of geological settings. However, significant uncertainties are associated with the determination of... Read More about Fracture attribute scaling and connectivity in the Devonian Orcadian Basin with implications for geologically equivalent sub-surface fractured reservoirs.

Tellurium in Late Permian-Early Triassic Sediments as a Proxy for Siberian Flood Basalt Volcanism (2020)
Journal Article
Regelous, M., Regelous, A., Grasby, S. E., Bond, D. P., Haase, K. M., Gleißner, S., & Wignall, P. B. (2020). Tellurium in Late Permian-Early Triassic Sediments as a Proxy for Siberian Flood Basalt Volcanism. Geochemistry, geophysics, geosystems G³, 21(11), Article e2020GC009064. https://doi.org/10.1029/2020GC009064

We measured the concentrations of trace elements in Late Permian to Early Triassic sediments from Spitsbergen. High mercury concentrations in sediments from the level of the Permo-Triassic Mass Extinction (PTME) at this location were previously attri... Read More about Tellurium in Late Permian-Early Triassic Sediments as a Proxy for Siberian Flood Basalt Volcanism.

Stress fields of ancient seismicity recorded in the dynamic geometry of pseudotachylyte in the Outer Hebrides Fault Zone, UK (2020)
Journal Article
Campbell, L., Lloyd, G., Phillips, R., Walcott, R., & Holdsworth, R. (2021). Stress fields of ancient seismicity recorded in the dynamic geometry of pseudotachylyte in the Outer Hebrides Fault Zone, UK. Journal of the Geological Society, 178(1), Article jgs2020-101. https://doi.org/10.1144/jgs2020-101

Heterogeneous sequences of exhumed fault rocks preserve a record of the long-term evolution of fault strength and deformation behaviour during prolonged tectonic activity. Along the Outer Hebrides Fault Zone (OHFZ) in NW Scotland, numerous pseudotach... Read More about Stress fields of ancient seismicity recorded in the dynamic geometry of pseudotachylyte in the Outer Hebrides Fault Zone, UK.

Size variations in foraminifers from the early Permian to the Late Triassic: Implications for the Guadalupian-Lopingian and the Permian-Triassic mass extinctions (2020)
Journal Article
Feng, Y., Song, H., & Bond, D. P. (2020). Size variations in foraminifers from the early Permian to the Late Triassic: Implications for the Guadalupian-Lopingian and the Permian-Triassic mass extinctions. Paleobiology, 46(4), 511-532. https://doi.org/10.1017/pab.2020.37

The final 10 Myr of the Paleozoic saw two of the biggest biological crises in Earth history: the middlePermian extinction (often termed the Guadalupian–Lopingian extinction [GLE]) that was followed 7–8 Myr later by Earth's most catastrophic loss of d... Read More about Size variations in foraminifers from the early Permian to the Late Triassic: Implications for the Guadalupian-Lopingian and the Permian-Triassic mass extinctions.

Migration controls extinction and survival patterns of foraminifers during the Permian-Triassic crisis in South China (2020)
Journal Article
Benton, M. J., Liu, X., Song, H., Bond, D. P., Tong, J., & Benton, M. (2020). Migration controls extinction and survival patterns of foraminifers during the Permian-Triassic crisis in South China. Earth-Science Reviews, 209, Article 103329. https://doi.org/10.1016/j.earscirev.2020.103329

The Permian-Triassic mass extinction, the greatest biotic crisis in Earth history, triggered the complete replacement of ecosystems with the 5–10% surviving species giving rise to the Mesozoic fauna. Despite a long history of systematic studies on Pe... Read More about Migration controls extinction and survival patterns of foraminifers during the Permian-Triassic crisis in South China.

Late Ordovician mass extinction caused by volcanism, warming, and anoxia, not cooling and glaciation (2020)
Journal Article
Bond, D. P., & Grasby, S. E. (2020). Late Ordovician mass extinction caused by volcanism, warming, and anoxia, not cooling and glaciation. Geology, 48(8), 777-781. https://doi.org/10.1130/G47377.1

The Ordovician saw major diversification in marine life abruptly terminated by the Late Ordovician mass extinction (LOME). Around 85% of species were eliminated in two pulses 1 m.y. apart. The first pulse, in the basal Hirnantian, has been linked to... Read More about Late Ordovician mass extinction caused by volcanism, warming, and anoxia, not cooling and glaciation.

Pyroxene low-temperature plasticity and fragmentation as a record of seismic stress evolution in the lower crust (2020)
Conference Proceeding
Campbell, L., & Menegon, L. (2020). Pyroxene low-temperature plasticity and fragmentation as a record of seismic stress evolution in the lower crust. In EGU General Assembly 2020. https://doi.org/10.5194/egusphere-egu2020-7380

Seismic rupture of the lower continental crust requires a high failure stress, given large lithostatic stresses and potentially strong rheologies. Several mechanisms have been proposed to generate high stresses at depth, including local amplification... Read More about Pyroxene low-temperature plasticity and fragmentation as a record of seismic stress evolution in the lower crust.