Browsing FAS Scholarly Articles by Keyword "clay"
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Clay Mineralogy, Organic Carbon Burial, and Redox Evolution in Proterozoic Oceans
(Elsevier, 2010)Clay minerals formed through chemical weathering have long been implicated in the burial of organic matter (OM), but because diagenesis and metamorphism commonly obscure the signature of weathering-derived clays in Precambrian ... -
Juvenile Chemical Sediments and the Long Term Persistence of Water at the Surface of Mars
(Elsevier, 2009)Chemical sediments and the aqueous alteration products of volcanic rocks clearly indicate the presence of water, at least episodically, at the Martian surface. Compared to similar materials formed on the early Earth, ...