Oceanic anoxic events, photic-zone euxinia, and controversy of sea-level fluctuations during the Middle-Late Devonian

P Kabanov, TE Hauck, SA Gouwy, SE Grasby… - Earth-Science …, 2023 - Elsevier
This paper reviews global records of anoxic events of the Middle Devonian–earliest
Mississippian, as well as the possible triggers and controls of these events. These “anoxic …

陆相断陷咸化湖盆细粒沉积地层有机质富集特征及控制因素分析——以东营凹陷沙河街组第四段上亚段纯上次亚段为例

于乐丹, 彭军, 许天宇, 韩浩东, 杨一茗 - 沉积学报, 2024 - geores.com.cn
[目的] 湖相细粒沉积泥页岩储层“甜点段” 的发育与有机质富集密切相关, 但目前针对断陷咸化湖
盆泥页岩有机质富集控制因素的探究及富集模式的建立等相关研究较少.[方法] …

Maastrichtian anoxia and its influence on organic matter and trace metal patterns in the Southern Tethys Realm of Egypt during greenhouse variability

D Fathy, M Wagreich, E Fathi, MS Ahmed, M Leila… - ACS …, 2023 - ACS Publications
Maastrichtian organic-rich sediments of Egypt were deposited under a warm greenhouse
climate along the stable African shelf. This study presents an integrated analysis of the …

Productivity or preservation? The factors controlling the organic matter accumulation in the late Katian through Hirnantian Wufeng organic-rich shale, South China

Y Lu, S Jiang, Y Lu, S Xu, Y Shu, Y Wang - Marine and Petroleum Geology, 2019 - Elsevier
The Wufeng organic-rich shale is widespread in the Upper Yangtze platform, and it is one of
the most advantageous shale gas producers in China. Its deposition commenced with the …

Quartz types and origins in the paleozoic Wufeng-Longmaxi Formations, Eastern Sichuan Basin, China: Implications for porosity preservation in shale reservoirs

T Dong, S He, M Chen, Y Hou, X Guo, C Wei… - Marine and Petroleum …, 2019 - Elsevier
Quartz in shales has been demonstrated to exert a significant effect on shale gas production
by influencing rock mechanical behavior and reservoir porosity; however, quartz types and …

Overpressure generation and evolution in Lower Paleozoic gas shales of the Jiaoshiba region, China: Implications for shale gas accumulation

J Gao, J Zhang, S He, J Zhao, Z He, Y Wo… - Marine and Petroleum …, 2019 - Elsevier
Overpressured shale gas plays have been found in the Lower Paleozoic marine shales of
Jiaoshiba region in the Sichuan basin, China. The black shales from the Upper Ordovician …

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 …

Geochemical characteristics and mechanism of organic matter accumulation of marine-continental transitional shale of the lower permian Shanxi Formation …

B Zhao, R Li, X Qin, N Wang, W Zhou, A Khaled… - Journal of Petroleum …, 2021 - Elsevier
The marine-continental transitional shale is widely distributed in the Lower Permian Shanxi
Formation of the southeast Ordos Basin. The primary factors controlling organic matter …

Parasequences: Allostratigraphic misfits in sequence stratigraphy

O Catuneanu, M Zecchin - Earth-Science Reviews, 2020 - Elsevier
Parasequences were introduced as the building blocks of seismic-scale systems tracts in the
context of low-resolution seismic stratigraphy. Pitfalls of this concept relate to the definition of …

鄂西地区下寒武统牛蹄塘组页岩元素地球化学特征及沉积古环境恢复.

何庆, 高键, 董田, 何生, 翟刚毅… - Acta Sedimentologica …, 2021 - search.ebscohost.com
摘要目前关于牛蹄塘组页岩沉积古环境及其对有机质富集影响的认识尚显不足. 为此,
基于总有机碳(TOC) 含量测定, XRD 矿物组分分析, 沉积地球化学分析等方法, 以鄂西地区X …