The Smithian/Spathian boundary (late Early Triassic): A review of ammonoid, conodont, and carbon-isotopic criteria

L Zhang, MJ Orchard, A Brayard, TJ Algeo, L Zhao… - Earth-Science …, 2019 - Elsevier
The transition from the Smithian substage to the Spathian substage of the Olenekian stage
of the late Early Triassic was a critical time marked by a series of biological and …

Are Early Triassic extinction events associated with mercury anomalies? A reassessment of the Smithian/Spathian boundary extinction

Ø Hammer, MT Jones, E Schneebeli-Hermann… - Earth-Science …, 2019 - Elsevier
High concentrations of mercury, possibly connected with widespread volcanism of the
Siberian Traps, have previously been associated with the Smithian/Spathian (Early Triassic) …

Chapter 10 Tectonostratigraphy of the greater Barents Sea: implications for petroleum systems

E Henriksen, AE Ryseth, GB Larssen… - Geological Society …, 2011 - lyellcollection.org
Palaeogeographic and tectono-stratigraphic considerations in the greater Barents Sea show
that the distribution of reservoirs and hydrocarbon source rocks from the Late Palaeozoic to …

A nutrient control on marine anoxia during the end-Permian mass extinction

M Schobben, WJ Foster, ARN Sleveland… - Nature …, 2020 - nature.com
Oxygen deprivation and hydrogen sulfide toxicity are considered potent kill mechanisms
during the mass extinction just before the Permian–Triassic boundary (~ 251.9 million years …

Smithian-Spathian boundary event: Evidence for global climatic change in the wake of the end-Permian biotic crisis

T Galfetti, PA Hochuli, A Brayard, H Bucher… - …, 2007 - pubs.geoscienceworld.org
One of the most important carbon cycle perturbations following the end-Permian mass
extinction event straddles the Smithian-Spathian boundary (SSB)(Olenekian, Early Triassic) …

Early Triassic marine biotic recovery: the predators' perspective

TM Scheyer, C Romano, J Jenks, H Bucher - PLoS One, 2014 - journals.plos.org
Examining the geological past of our planet allows us to study periods of severe climatic and
biological crises and recoveries, biotic and abiotic ecosystem fluctuations, and faunal and …

Regional correlation and seismic stratigraphy of Triassic Strata in the Greater Barents Sea: Implications for sediment transport in Arctic basins

A Gilmullina, TG Klausen, NW Paterson, A Suslova… - Basin …, 2021 - earthdoc.org
Abstract The Greater Barents Sea Basin (GBSB) in Arctic Russia and Norway is an
intracratonic basin that accommodated an enormous amount of sediment during the …

Ultra-shallow-marine anoxia in an Early Triassic shallow-marine clastic ramp (Spitsbergen) and the suppression of benthic radiation

PB Wignall, DPG Bond, Y Sun… - Geological …, 2016 - pubs.geoscienceworld.org
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 …

The geomagnetic polarity timescale for the Triassic: linkage to stage boundary definitions

MW Hounslow, G Muttoni - Geological Society, London, Special …, 2010 - lyellcollection.org
Studies of Triassic magnetostratigraphy began in the 1960s, with focus on poorly
fossilferous nonmarine red-beds. Construction of the Triassic geomagnetic polarity …

An integrated biomarker, isotopic and palaeoenvironmental study through the Late Permian event at Lusitaniadalen, Spitsbergen

B Nabbefeld, K Grice, RJ Twitchett… - Earth and Planetary …, 2010 - Elsevier
The largest extinction of the Phanerozoic occurred near the Permian/Triassic (P/Tr)
boundary some 252Ma ago. Several scenarios and drivers have been proposed for this …