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Uppermost Holocene (Unit 1) microlaminated sediments of the deep central Black Sea, which accumulate at ca. 0.02 cm/y, are a classic natural laboratory for exploring geochemical proxies used to identi...
The spatial and temporal distribution of black shales is related to the development of environments in which they accumulate and to a propitious combination of environmental variables.
The spatial and temporal distribution of black shales is related to the development of environments in which they accumulate and to a propitious combination of environmental variables. In recent years...
Hydrothermal tobelitic phyllosilicates modeled as ISII (R3) ordering with a minimum of 2–3% and a maximum of 6–8% interstratified smectite occur in veins and as replacement of fossils in hydrothermall...
The Excello Shale is one of the best exposed and most laterally continuous of the Pennsylvanian cyclothemic black shales in the midcontinent region of the United States. Its petrology and paleoenviron...
Black shale is a dark-colored mudrock containing organic matter that may have generated hydrocarbons in the subsurface or that may yield hydrocarbons by pyrolysis. Many black shale units are enriched ...

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