Showing posts with label silica. Show all posts
Showing posts with label silica. Show all posts
Monday, March 25, 2019
032519
Calcite (bright red) and partially dolomitized limestone (dark red with light-colored specks of dolomite), partially silicified (very bright white and gray areas), Mississippian Bangor Limestone, Haletown Tennessee, thin-section photomicrograph.
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