Outputs (38)

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.

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.

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.

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.

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.

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.

A nutrient control on marine anoxia during the end-Permian mass extinction (2020)
Journal Article
Schobben, M., Foster, W. J., Sleveland, A. R., Zuchuat, V., Svensen, H., Planke, S., Bond, D. P., Marcelis, F., Newton, R. J., Wignall, P. B., & Poulton, S. W. (2020). A nutrient control on marine anoxia during the end-Permian mass extinction. Nature Geoscience, https://doi.org/10.1038/s41561-020-0622-1

© 2020, The Author(s), under exclusive licence to Springer Nature Limited. Oxygen deprivation and hydrogen sulfide toxicity are considered potent kill mechanisms during the mass extinction just before the Permian–Triassic boundary (~251.9 million yea... Read More about A nutrient control on marine anoxia during the end-Permian mass extinction.

Phosphorus-cycle disturbances during the Late Devonian anoxic events (2019)
Journal Article
Percival, L., Bond, D. P., Rakociński, M., Marynowski, L., Hood, A. V., Adatte, T., Spangenberg, J. E., & Föllmi, K. B. (2020). Phosphorus-cycle disturbances during the Late Devonian anoxic events. Global and planetary change, 184, Article 103070. https://doi.org/10.1016/j.gloplacha.2019.103070

The Late Devonian was marked by repeated faunal crises and episodes of geographically widespread marine anoxia, and featured one of the ‘Big Five’ mass extinctions of the Phanerozoic Aeon during the Frasnian–Famennian transition. However, the process... Read More about Phosphorus-cycle disturbances during the Late Devonian anoxic events.

The Capitanian (Guadalupian, Middle Permian) mass extinction in NW Pangea (Borup Fiord, Arctic Canada): A global crisis driven by volcanism and anoxia (2019)
Journal Article
Bond, D. P., Wignall, P. B., & Grasby, S. E. (2020). The Capitanian (Guadalupian, Middle Permian) mass extinction in NW Pangea (Borup Fiord, Arctic Canada): A global crisis driven by volcanism and anoxia. Geological Society of America Bulletin, 132(5-6), 931-942. https://doi.org/10.1130/B35281.1

Until recently, the biotic crisis that occurred within the Capitanian Stage (Middle Permian, ca. 262 Ma) was known only from equatorial (Tethyan) latitudes, and its global extent was poorly resolved. The discovery of a Boreal Capitanian crisis in Spi... Read More about The Capitanian (Guadalupian, Middle Permian) mass extinction in NW Pangea (Borup Fiord, Arctic Canada): A global crisis driven by volcanism and anoxia.

Global warming leads to Early Triassic nutrient stress across northern Pangea (2019)
Journal Article
Grasby, S. E., Knies, J., Beauchamp, B., Bond, D. P., Wignall, P., & Sun, Y. (2020). Global warming leads to Early Triassic nutrient stress across northern Pangea. Geological Society of America Bulletin, 132(5-6), 943-954. https://doi.org/10.1130/B32036.1

The largest extinction in Earth history, in the latest Permian, was followed throughout most of the Early Triassic by a prolonged period of ecologic recovery. What factors delayed biotic recovery are still under debate and partly revolve around impac... Read More about Global warming leads to Early Triassic nutrient stress across northern Pangea.

Controls on the formation of microbially induced sedimentary structures and biotic recovery in the Lower Triassic of Arctic Canada (2019)
Journal Article
Wignall, P., Bond, D. P., Grasby, S., Pruss, S., & Peakall, J. (2020). Controls on the formation of microbially induced sedimentary structures and biotic recovery in the Lower Triassic of Arctic Canada. Geological Society of America Bulletin, 132(5-6), 918-930. https://doi.org/10.1130/B35229.1

Microbially-induced sedimentary structures (MISS) are reportedly widespread in the Early Triassic and their occurrence is attributed to either the extinction of marine grazers (allowing mat preservation) during the Permo-Triassic mass extinction or t... Read More about Controls on the formation of microbially induced sedimentary structures and biotic recovery in the Lower Triassic of Arctic Canada.

The Capitanian (Guadalupian, Middle Permian) mass extinction in NW Pangaea (Borup Fiord, Arctic Canada): a global crisis driven by volcanism and anoxia (2019)
Journal Article
Bond, D., Wignall, P., & Grasby, S. (in press). The Capitanian (Guadalupian, Middle Permian) mass extinction in NW Pangaea (Borup Fiord, Arctic Canada): a global crisis driven by volcanism and anoxia. Geological Society of America Bulletin, 132(5-6), 931–942

Until recently the biotic crisis that occurred within the Capitanian Stage (Middle Permian, ca. 262 Ma) was known only from equatorial (Tethyan) latitudes and its global extent was poorly resolved. The discovery of a Boreal Capitanian crisis in Spits... Read More about The Capitanian (Guadalupian, Middle Permian) mass extinction in NW Pangaea (Borup Fiord, Arctic Canada): a global crisis driven by volcanism and anoxia.

Early Triassic microbialites from the Changxing Region of Zhejiang Province, South China (2019)
Journal Article
Huang, Y. F., Bond, D. P., Wang, Y. B., Wang, T., Yi, Z. X., Yuan, A. H., Jia, J. Y., & Su, Y. Q. (2019). Early Triassic microbialites from the Changxing Region of Zhejiang Province, South China. Journal of Palaeogeography, 8(1), Article 22. https://doi.org/10.1186/s42501-019-0039-1

© 2019, The Author(s). Microbialites, often considered as a signal of extreme marine environment, are common in the Lower Triassic strata of South China where they flourished in the aftermath of the end-Permian mass extinction. Early Triassic microbi... Read More about Early Triassic microbialites from the Changxing Region of Zhejiang Province, South China.

Ammonium ocean following the end-Permian mass extinction (2019)
Journal Article
Sun, Y. D., Zulla, M. J., Joachimski, M. M., Bond, D. P., Wignall, P. B., Zhang, Z. T., & Zhang, M. H. (2019). Ammonium ocean following the end-Permian mass extinction. Earth and planetary science letters, 518, 211-222. https://doi.org/10.1016/j.epsl.2019.04.036

The aftermath of end-Permian mass extinction was marked by a ~5 million year interval of poorly-understood, extreme environments that likely hindered biotic recovery. Contemporary nitrogen isotope variations are considered, using a new conceptual mod... Read More about Ammonium ocean following the end-Permian mass extinction.

Pulses of enhanced continental weathering associated with multiple Late Devonian climate perturbations: Evidence from osmium-isotope compositions (2019)
Journal Article
Percival, L. M., Selby, D., Bond, D. P., Rakociński, M., Racki, G., Marynowski, L., Adatte, T., Spangenberg, J. E., & Föllmi, K. B. (2019). Pulses of enhanced continental weathering associated with multiple Late Devonian climate perturbations: Evidence from osmium-isotope compositions. Palaeogeography, palaeoclimatology, palaeoecology, 524, 240-249. https://doi.org/10.1016/j.palaeo.2019.03.036

Anomalously high rates of continental weathering have frequently been proposed as a key stimulus for the development of widespread marine anoxia during a number of Late Devonian environmental and biospheric crises, which included a major mass extinct... Read More about Pulses of enhanced continental weathering associated with multiple Late Devonian climate perturbations: Evidence from osmium-isotope compositions.

Sequence stratigraphy, basin morphology and sea-level history for the Permian Kapp Starostin formation of Sbalbard, Norway (2017)
Journal Article
Bond, D. P. G., Blomeier, D. P. G., Dustira, A. M., Wignall, P. B., Collins, D., Goode, T., Groen, R. D., Buggisch, W., & Grasby, S. E. (2017). Sequence stratigraphy, basin morphology and sea-level history for the Permian Kapp Starostin formation of Sbalbard, Norway. Geological magazine, 155(5), 1023-1039. https://doi.org/10.1017/S0016756816001126

Based on seven measured sections from Svalbard, the marine strata of the Permian Kapp Starostin Formation are arranged into seven transgressive-regressive sequences (TR1-TR7) of c. 4-5 Ma average duration, each bound by a maximum regressive surface.... Read More about Sequence stratigraphy, basin morphology and sea-level history for the Permian Kapp Starostin formation of Sbalbard, Norway.

On the causes of mass extinctions (2016)
Journal Article
Bond, D. P., & Grasby, S. E. (2017). On the causes of mass extinctions. Palaeogeography, palaeoclimatology, palaeoecology, 478, 3-29. https://doi.org/10.1016/j.palaeo.2016.11.005

The temporal link between large igneous province (LIP) eruptions and at least half of the major extinctions of the Phanerozoic implies that large scale volcanism is the main driver of mass extinction. Here we review almost twenty biotic crises betwee... Read More about On the causes of mass extinctions.

An extensive anoxic event in the Triassic of the South China Block : a pyrite framboid study form Dajiang and its implications for the cause(s) of oxygen depletion (2016)
Journal Article
Liao, W., Bond, D. P., Wang, Y., He, L., Yang, H., Weng, Z., & Li, G. (2017). An extensive anoxic event in the Triassic of the South China Block : a pyrite framboid study form Dajiang and its implications for the cause(s) of oxygen depletion. Palaeogeography, palaeoclimatology, palaeoecology, 486, 86-95. https://doi.org/10.1016/j.palaeo.2016.11.012

Water column oxygen deficiency has been considered as a potent driver of the extinction of marine benthos, and is a main feature of marine environments in the aftermath of the end-Permian mass extinction. The record of Permian-Triassic anoxia is more... Read More about An extensive anoxic event in the Triassic of the South China Block : a pyrite framboid study form Dajiang and its implications for the cause(s) of oxygen depletion.