Shocked quartz grains in rhyolitic bentonites
H. J. Hansen , P. Toft , Jinnan Tong
Journal of Earth Science ›› 2010, Vol. 21 ›› Issue (Suppl 1) : 133 -134.
Shocked quartz grains in rhyolitic bentonites
Bentonite / Ordovician / Paleocene / Black Shale / Mass Extinction
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