Results 121 to 130 of about 3,527 (252)

The application of geochemical methods in earthquake prediction in China [PDF]

open access: yes, 1981
Several geochemical anomalies were observed before the Haichen, Longling, Tangshan, and Songpan earthquakes and their strong aftershocks. They included changes in groundwater radon levels; chemical composition of the groundwater (concentration of Ca^(++),
Fong-liang, Jiang, Gui-ru, Li
core  

Early Proterozoic (2.04 GA) Phoshorites of Pechenga Greenstone Belt and Their Origin [PDF]

open access: yes, 2007
No principal differences have been found between microfossils described from Cambrian and Phanerozoic and the 2000 Ma phosphorites. Numerous samples revealed diverse microbial microstructures interpreted as cyanobacterial mats consisting of filamentous ...
Astafieva, Marina M.   +2 more
core   +1 more source

Geochemical characteristics and significance of the bitumen in Sinian reservoirs in Sichuan basin and its periphery

open access: diamond, 2020
Zengye Xie   +10 more
openalex   +1 more source

Organic geochemistry of marine source rocks and pyrobitumen-containing reservoir rocks of the Sichuan Basin and neighbouring areas, SW China [PDF]

open access: yes, 2014
Chen, Jianping   +11 more
core   +1 more source

U-Pb zircon age for the Nanhua-Sinian boundary

open access: yesChinese Science Bulletin, 2005
Chu, X.   +4 more
openaire   +3 more sources

Exploration status of the deep Sinian strata in the Sichuan Basin: Formation conditions of old giant carbonate oil/gas fields

open access: diamond, 2020
Wenzhi Zhao   +9 more
openalex   +1 more source

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