Mercury evidence from southern Pangea terrestrial sections for end-Permian global volcanic effects

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: Jan. 3, 2023

Abstract The latest Permian mass extinction (LPME) was triggered by magmatism of the Siberian Traps Large Igneous Province (STLIP), which left an extensive record sedimentary Hg anomalies at Northern Hemisphere and tropical sites. Here, we present records from terrestrial sites in southern Pangea, nearly antipodal to contemporaneous STLIP activity, providing insights into global distribution volcanogenic during this event its environmental processing. These profiles (two Karoo Basin, South Africa; two Sydney Australia) exhibit significant enrichments within uppermost interval as well positive Δ 199 excursions (to ~0.3‰), evidence long-distance atmospheric transfer Hg. results demonstrate far-reaching effects refine stratigraphic placement LPME Basin a temporal resolution ~10 5 years based on isochronism anomalies.

Language: Английский

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Greenhouse Gas and Climate Change

Energy futures., Journal Year: 2025, Volume and Issue: unknown, P. 97 - 141

Published: Jan. 1, 2025

Language: Английский

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Collapse of tropical rainforest ecosystems caused by high-temperature wildfires during the end-Permian mass extinction

Earth and Planetary Science Letters, Journal Year: 2023, Volume and Issue: 614, P. 118193 - 118193

Published: May 17, 2023

Language: Английский

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Polycyclic aromatic hydrocarbons (PAHs) evidence for frequent combustion events on land during the Permian–Triassic transition in Northwest China

Palaeogeography Palaeoclimatology Palaeoecology, Journal Year: 2024, Volume and Issue: 642, P. 112152 - 112152

Published: March 15, 2024

Language: Английский

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Development of arc curvature by asymmetric migration: Evidence from Permian–Triassic granitoids in the New England Orogen (eastern Australia)

Earth and Planetary Science Letters, Journal Year: 2025, Volume and Issue: 653, P. 119209 - 119209

Published: Jan. 15, 2025

Language: Английский

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Mechanisms of organic matter accumulation in marine clear water conditions: The Upper Permian Dalong Formation, Sichuan Basin, China

Petroleum Science, Journal Year: 2025, Volume and Issue: unknown

Published: March 1, 2025

Language: Английский

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Volcanic CO2 emissions from subduction of the tropical Paleo-Tethyan Ocean contributed to the early Permian deglacial warming

Earth and Planetary Science Letters, Journal Year: 2025, Volume and Issue: 660, P. 119361 - 119361

Published: April 12, 2025

Language: Английский

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Inconsistent mercury records from terrestrial upland to coastal lowland across the Permian-Triassic transition

Earth and Planetary Science Letters, Journal Year: 2023, Volume and Issue: 614, P. 118195 - 118195

Published: May 12, 2023

Language: Английский

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Perfect storms shape biodiversity in time and space

Evolutionary Journal of the Linnean Society, Journal Year: 2023, Volume and Issue: 2(1)

Published: Jan. 1, 2023

Abstract Many of the most dramatic patterns in biological diversity are created by “Perfect Storms” —rare combinations mutually reinforcing factors that push origination, extinction, or accommodation to extremes. These include strongest diversification events (e.g. Cambrian Explosion animal body plans), proliferation hyperdiverse clades insects, angiosperms), richest biodiversity hotspots New World Tropical Montane regions and ocean's greatest pump, tropical West Pacific), severe extinction Big Five mass extinctions Phanerozoic). Human impacts on modern biota also a Perfect Storm, both mitigation restoration strategies should be framed accordingly, drawing biodiversity's responses multi-driver processes geologic past. This approach necessarily weighs contributing factors, identifying their often non-linear time-dependent interactions, instead searching for unitary causes.

Language: Английский

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A multidisciplinary approach to resolving the end-Guadalupian extinction

Evolving Earth, Journal Year: 2023, Volume and Issue: 1, P. 100014 - 100014

Published: Oct. 12, 2023

The transition from the middle to late Permian (Guadalupian–Lopingian) is claimed record one or more extinction events that rival 'Big Five' in terms of depletion biological diversity and reorganization ecosystem structure. Yet many questions remain as whether recorded separate regions were synchronous, causally related, a magnitude rivaling other major crises Earth's history. In this paper, we survey some unresolved issues related Guadalupian–Lopingian offer multidisciplinary approach advance understanding under-appreciated biotic crisis by utilizing records Southern Hemisphere high-palaeolatitude settings. We focus on Bowen-Gunnedah-Sydney Basin System (BGSBS) prime site for analyses physical environmental change at high palaeolatitudes terminal Capitanian. Preliminary data suggest likely position mid-Capitanian event regressive deposits base Tomago Coal Measures (northern Sydney Basin) around contact between Broughton Formation disconformably overlying Pheasants Nest (southern Basin). Initial end-Capitanian roughly correlates transgressive "Kulnura Marine Tongue" strata bearing dispersed, ice-rafted gravel Erins Vale observations few plant genera species disappeared Guadalupian Lopingian, latter interval saw an increase floristic diversity.

Language: Английский

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