Results 91 to 100 of about 4,224,476 (188)

Controls on Organic Matter Enrichment in the Lower Cambrian Niutitang Formation, Zhenba Area, Northwestern Upper Yangtze Platform

open access: yesApplied Sciences
Organic matter (OM) enrichment is a fundamental control on source-rock quality and shale-gas potential, yet the relative roles of organic matter supply, preservation, and mineralogical dilution remain poorly constrained in the Lower Cambrian Niutitang Formation at the northwestern margin of the Upper Yangtze Platform.
Chen, Xianglin   +3 more
openaire   +1 more source

Gas generation characteristics of the lower cambrian niutitang shale in qiannan depression, China

open access: yes, 2017
Based on the thermal simulation experiments of shale and crude oil samples, the amount of gas generated from kerogen and oil cracking during each geological period was calculated based on the chemical kinetic method.
Lu, Shuangfang   +9 more
core   +1 more source

Microscopic pore structure characteristics and controlling factors of marine shale: a case study of Lower Cambrian shales in the Southeastern Guizhou, Upper Yangtze Platform, South China

open access: yesFrontiers in Earth Science
A systematic study of the pore structure characteristics of Lower Cambrian shales in the southeastern Upper Yangtze Platform, was conducted using organic geochemistry, mineralogy, nitrogen adsorption, physical property analysis, and scanning electron ...
Ruyue Wang   +19 more
doaj   +1 more source

Study on Analytical Method for Pore Size Distribution of the Lower Cambrian Niutitang Formation Shale in Southeastern Chongqing

open access: yesYankuang ceshi, 2018
BACKGROUND The low-temperature nitrogen (N2) adsorption-desorption method has been widely used to evaluate the pore structure of shale, however, the different analytical conditions such as degassing temperature and degassing time were reported in the literature.
MA Zhen-qian   +2 more
openaire   +1 more source

Data for: Calculation of the original abundance of organic matter at high-over maturity: A case study of the Lower Cambrian Niutitang shale in the Micangshan-Hannan Uplift, SW China

open access: yes, 2019
The geochemical characteristics of the Niutitang shale source rocks in Micangshan-Hannan Uplift, SW China, including the total organic carbon (TOC), hydrocarbon generation potential yield (S1+S2), thermal maturity and kerogen types, were investigated ...
Tian, Tao, Tian, T (via Mendeley Data)
core   +1 more source

Organic Matter Enrichment Mechanisms in the Lower Cambrian Shale: A Case Study from Xiangandi #1 Well

open access: yes
In order to investigate the effect of primary productivity, organic matter dilution, and preservation on the accumulation of organic matter, geochemical data, and proxies of primary productivity, clastic influx, and redox conditions were obtained for ...
Linyan Zhang   +3 more
core   +1 more source

Multi-metal mineralization and microfossils in a black shale-hosted sulfide ore layer, South China: Implications for early Cambrian biomineralization [PDF]

open access: yes, 2016
A remarkable polymetallic sulfide extremely enriched ore layer is embedded at the bottom of the Lower Cambrian Niutitang Formation along the passive margin of the Yangtze Platform in South China, with its genesis still highly disputable. Previous studies
He, H, Xu, J, Li, Y
core  

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