What controls the duration and intensity of ocean anoxic events in the Paleozoic and the Mesozoic?

T Reershemius, NJ Planavsky - Earth-Science Reviews, 2021 - Elsevier
The sedimentological and geochemical expression of Mesozoic ocean anoxic events
(OAEs) in the geologic record is reasonably well-characterized and the causal mechanisms …

Depositional conditions of shale lithofacies during the Late Ordovician–Early Silurian in the Upper Yangtze area, SW China: Responses to sea-level changes

S Wu, L Chen, M Xiong, X Chen, G Wang… - Marine and Petroleum …, 2024 - Elsevier
The shale lithofacies shows obvious heterogeneity during the Late Ordovician-Early Silurian
in the Upper Yangtze area, SW China. To elucidate the Wufeng-Longmaxi shale lithofacies' …

Investigation on the pore structure and multifractal characteristics of tight oil reservoirs using NMR measurements: Permian Lucaogou Formation in Jimusaer Sag …

P Zhao, Z Wang, Z Sun, J Cai, L Wang - Marine and Petroleum Geology, 2017 - Elsevier
Pore structure is a critical parameter to estimate the reservoir quality and evaluate the
resource potential. However, the pore structure and heterogeneity of the unconventional …

Depositional environment and organic matter accumulation of Upper Ordovician–Lower Silurian marine shale in the Upper Yangtze Platform, South China

Y Li, T Zhang, GS Ellis, D Shao - Palaeogeography, Palaeoclimatology …, 2017 - Elsevier
The main controlling factors of organic matter accumulation in the Upper Ordovician Wufeng–
Lower Silurian Longmaxi Formations are complex and remain highly controversial. This …

Sedimentology and geochemistry of Carboniferous-Permian marine-continental transitional shales in the eastern Ordos Basin, North China

L Zhang, D Dong, Z Qiu, C Wu, Q Zhang… - Palaeogeography …, 2021 - Elsevier
A continuously cored well covering the Carboniferous-Permian Benxi, Taiyuan, and Shanxi
formations in the eastern Ordos Basin provides a rare window into environmental conditions …

Experimental investigations on the geometry and connectivity of pore space in organic-rich Wufeng and Longmaxi shales

R Yang, F Hao, S He, C He, X Guo, J Yi, H Hu… - Marine and Petroleum …, 2017 - Elsevier
The nano-scale pore systems of organic-rich shale reservoirs were investigated from Upper
Ordovician Wufeng and Lower Silurian Longmaxi Formations in southeast Sichuan Basin …

Main controlling factors of marine shale compressive strength: A case study on the cambrian Niutitang Formation in Dabashan Mountain

Q He, D Li, Q Sun, B Wei, S Wang - Energy, 2022 - Elsevier
Lower Paleozoic shale is an important hydrocarbon source rock and natural gas reservoir in
the Upper Yangtze Plate. In this study, compressive strength+ acoustic emission (AE), low …

Geochemical and petrographic characteristics of Wufeng-Longmaxi shales, Jiaoshiba area, southwest China: Implications for organic matter differential accumulation

Y Wang, S Xu, F Hao, Y Lu, Z Shu, Y Lu - Marine and Petroleum Geology, 2019 - Elsevier
The organic matter-rich shales in Wufeng-Longmaxi Formation have been considered to be
a high-quality source rock and a main shale-gas producer in southern China. As the material …

Types of biogenic quartz and its coupling storage mechanism in organic-rich shales: A case study of the Upper Ordovician Wufeng Formation to Lower Silurian …

G Quanzhong, D Dazhong, H Zhang… - Petroleum Exploration …, 2021 - Elsevier
Biogenic quartz in the Upper Ordovician Wufeng Formation to Lower Silurian Longmaxi
Formation (Wufeng–Longmaxi) shale layers in the Sichuan Basin and its periphery is …

[HTML][HTML] 青藏高原东北缘红寺堡盆地晚更新世沉积物元素地球化学特征及其环境指示意义

刘博华, 吴芳, 张绪教, 崔加伟, 董晓朋 - 地质通报, 2024 - cgsjournals.com
红寺堡盆地位于青藏高原东北缘弧形构造带最前缘与鄂尔多斯高原西部的交界位置,
区域生态环境脆弱, 但由于地表覆盖严重, 缺乏完整的露头剖面, 一直制约着生态环境演变过程的 …