All Outputs (51)

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.

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.

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.

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.

Permian (Artinskian to Wuchapingian) conodont biostratigraphy in the Tiegiao section, Laibin area, South China (2016)
Journal Article
Sun, Y. D., Liu, X. T., Yan, J. X., Li, B., Bond, D. P. G., Joachimski, M. M., Wignall, P. B., Wang, X., & Lai, X. L. (2017). Permian (Artinskian to Wuchapingian) conodont biostratigraphy in the Tiegiao section, Laibin area, South China. Palaeogeography, palaeoclimatology, palaeoecology, 465(Part A), 42-63. https://doi.org/10.1016/j.palaeo.2016.10.013

Permian strata from the Tieqiao section (Jiangnan Basin, South China) contain several distinctive conodont assemblages. Early Permian (Cisuralian) assemblages are dominated by the genera Sweetognathus, Pseudosweetognathus and Hindeodus with rare Neos... Read More about Permian (Artinskian to Wuchapingian) conodont biostratigraphy in the Tiegiao section, Laibin area, South China.

Climate warming, euxinia and carbon isotope perturbations during the Carnian (Triassic) Crisis in South China (2016)
Journal Article
Sun, Y., Wignall, P., Joachimski, M., Bond, D., Grasby, S., Lai, X., Wang, L., Zhang, Z., & Sun, S. (2016). Climate warming, euxinia and carbon isotope perturbations during the Carnian (Triassic) Crisis in South China. Earth and planetary science letters, 444, 88-100. https://doi.org/10.1016/j.epsl.2016.03.037

The Carnian Humid Episode (CHE), also known as the Carnian Pluvial Event, and associated biotic changes are major enigmas of the Mesozoic record in western Tethys. We show that the CHE also occurred in eastern Tethys (South China), suggestive of a mu... Read More about Climate warming, euxinia and carbon isotope perturbations during the Carnian (Triassic) Crisis in South China.

Lower Wenlock black shales in the northern Holy Cross Mountains, Poland: Sedimentary and geochemical controls on the Ireviken Event in a deep marine setting (2016)
Journal Article
Smolarek, J., Trela, W., Bond, D. P. G., & Marynowski, L. (2017). Lower Wenlock black shales in the northern Holy Cross Mountains, Poland: Sedimentary and geochemical controls on the Ireviken Event in a deep marine setting. Geological magazine, 154(2), 247-264. https://doi.org/10.1017/s0016756815001065

The stratigraphic variability and geochemistry of Llandovery/Wenlock (L/W) Series boundary sediments in Poland reveals that hemipelagic sedimentation under an anoxic/euxinic water column was interrupted by low density bottom currents or detached dilu... Read More about Lower Wenlock black shales in the northern Holy Cross Mountains, Poland: Sedimentary and geochemical controls on the Ireviken Event in a deep marine setting.

Insight into tube-building behaviour and palaeoecology of some agglutinating worms from the Upper Devonian of Nevada, USA (2015)
Journal Article
Zatoń, M., & Bond, D. P. G. (2016). Insight into tube-building behaviour and palaeoecology of some agglutinating worms from the Upper Devonian of Nevada, USA. Palaeogeography, palaeoclimatology, palaeoecology, 445, 138-146. https://doi.org/10.1016/j.palaeo.2015.12.020

Agglutinated worm tubes from the Upper Devonian of the Devils Gate section in Nevada, USA are reported for the first time, filling a major gap in their Palaeozoic fossil record. Two small (5 mm and 6.7 mm in length) tubes are composed entirely of ten... Read More about Insight into tube-building behaviour and palaeoecology of some agglutinating worms from the Upper Devonian of Nevada, USA.

Ultra-shallow-marine anoxia in an Early Triassic shallow-marine clastic ramp (Spitsbergen) and the suppression of benthic radiation (2015)
Journal Article
Wignall, P. B., Bond, D. P. G., Sun, Y., Grasby, S. E., Beauchamp, B., Joachimski, M. M., & Blomeier, D. P. G. (2016). Ultra-shallow-marine anoxia in an Early Triassic shallow-marine clastic ramp (Spitsbergen) and the suppression of benthic radiation. Geological magazine, 153(2), 316-331. https://doi.org/10.1017/s0016756815000588

Lower Triassic marine strata in Spitsbergen accumulated on a mid-to-high latitude ramp in which high-energy foreshore and shoreface facies passed offshore into sheet sandstones of probable hyperpycnite origin. More distal facies include siltstones, s... Read More about Ultra-shallow-marine anoxia in an Early Triassic shallow-marine clastic ramp (Spitsbergen) and the suppression of benthic radiation.

Mercury anomalies associated with three extinction events (Capitanian Crisis, Latest Permian Extinction and the Smithian/Spathian Extinction) in NW Pangea (2015)
Journal Article
Grasby, S. E., Beauchamp, B., Bond, D. P., Wignall, P. B., & Sanei, H. (2016). Mercury anomalies associated with three extinction events (Capitanian Crisis, Latest Permian Extinction and the Smithian/Spathian Extinction) in NW Pangea. Geological magazine, 153(2), 285-297. https://doi.org/10.1017/S0016756815000436

Copyright © Cambridge University Press 2015. Strata of Permian - Early Triassic age that include a record of three major extinction events (Capitanian Crisis, Latest Permian Extinction and the Smithian/Spathian Extinction) were examined at the Festni... Read More about Mercury anomalies associated with three extinction events (Capitanian Crisis, Latest Permian Extinction and the Smithian/Spathian Extinction) in NW Pangea.

Submarine palaeoenvironments during Emeishan flood basalt volcanism, SW China: Implications for plume-lithosphere interaction during the Capitanian, Middle Permian ('end Guadalupian') extinction event (2015)
Journal Article
Jerram, D. A., Widdowson, M., Wignall, P. B., Sun, Y., Lai, X., Bond, D. P., & Torsvik, T. H. (2016). Submarine palaeoenvironments during Emeishan flood basalt volcanism, SW China: Implications for plume-lithosphere interaction during the Capitanian, Middle Permian ('end Guadalupian') extinction event. Palaeogeography, palaeoclimatology, palaeoecology, 441(1), 65-73. https://doi.org/10.1016/j.palaeo.2015.06.009

Plume-induced lithospheric uplift and erosion are widely regarded as key features of large igneous province (LIP) emplacement, as is the coincidence of LIP eruption with major extinction and oceanic anoxic events (OAE). The Emeishan LIP, which erupte... Read More about Submarine palaeoenvironments during Emeishan flood basalt volcanism, SW China: Implications for plume-lithosphere interaction during the Capitanian, Middle Permian ('end Guadalupian') extinction event.