Investigation on shear behavior of soft interlayers by ring shear tests
Most soft interlayers tend to be key factors affecting rock slope stability due to their low
strengths. A series of ring shear tests is conducted on reconstituted overconsolidated soft …
strengths. A series of ring shear tests is conducted on reconstituted overconsolidated soft …
The mid-Capitanian (Middle Permian) mass extinction and carbon isotope record of South China
Conodont, C isotope and fossil and facies data are presented for the Capitanian (Middle
Permian) mass extinction record seen in platform carbonates (Maokou and Wuchiaping …
Permian) mass extinction record seen in platform carbonates (Maokou and Wuchiaping …
Revised conodont zonation and conodont evolution across the Permian–Triassic boundary at the Shangsi section, Guangyuan, Sichuan, South China
H Jiang, X Lai, C Yan, RJ Aldridge, P Wignall… - Global and Planetary …, 2011 - Elsevier
Large conodont samples (20 kg at most) have been collected from the uppermost Permian
and the lowermost Triassic (beds 26–33) at Shangsi, northern Sichuan. These have enabled …
and the lowermost Triassic (beds 26–33) at Shangsi, northern Sichuan. These have enabled …
Provenance of Late Permian volcanic ash beds in South China: Implications for the age of Emeishan volcanism and its linkage to climate cooling
Whole-rock geochemistry and zircon trace element, Usingle bondPb and Hf isotopic data for
Upper Permian volcanic ash at Shangsi show a significant change in source from the …
Upper Permian volcanic ash at Shangsi show a significant change in source from the …
Facies analysis and sea-level change at the Guadalupian–Lopingian Global Stratotype (Laibin, South China), and its bearing on the end-Guadalupian mass extinction
PB Wignall, S Védrine, DPG Bond… - Journal of the …, 2009 - lyellcollection.org
The Guadalupian–Lopingian boundary stratotype at Penglaitan, and the nearby Tieqiao
section, near Laibin, South China, record a series of major environmental changes within …
section, near Laibin, South China, record a series of major environmental changes within …
Geochemical, biostratigraphic, and high-resolution geochronological constraints on the waning stage of Emeishan Large Igneous Province
The initiation and peak magmatic periods of the Emeishan Large Igneous Province (LIP) are
well constrained by both biostratigraphic and radioisotopic dating methods; however, the …
well constrained by both biostratigraphic and radioisotopic dating methods; however, the …
Constraining the cause of the end-Guadalupian extinction with coupled records of carbon and calcium isotopes
A negative δ C 13 excursion in carbonate sediments near the Guadalupian/Lopingian
(Middle/Late Permian) boundary has been interpreted to have resulted from a large carbon …
(Middle/Late Permian) boundary has been interpreted to have resulted from a large carbon …
Cycles of~ 32.5 My and~ 26.2 My in correlated episodes of continental flood basalts (CFBs), hyper-thermal climate pulses, anoxic oceans, and mass extinctions over …
Potential temporal and causal connections among various geologic events have long been
discussed in the geological literature. More recently, signs of common periodicities in these …
discussed in the geological literature. More recently, signs of common periodicities in these …
Silicic ash beds bracket Emeishan large igneous province to< 1 my at~ 260 Ma
Claystone beds directly below and above the Emeishan basalts in SW China formed around
the Guadalupian-Lopingian (G− L) boundary. Zircons from both levels give U–Pb ages of …
the Guadalupian-Lopingian (G− L) boundary. Zircons from both levels give U–Pb ages of …
Geologic evidence for chaotic behavior of the planets and its constraints on the third-order eustatic sequences at the end of the Late Paleozoic Ice Age
Abstract High-resolution (948 samples) measurements of anhysteretic remanent
magnetization (ARM) were performed on the~ 200 m thick Early–Middle Permian Maokou …
magnetization (ARM) were performed on the~ 200 m thick Early–Middle Permian Maokou …