Sandstone in thin sections
Sandstone in thin sections
Sandstone in thin sections
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Glauconitic <strong>Sandstone</strong>Glauconite is a potassium iron alum<strong>in</strong>o-silicatewhich forms <strong>in</strong> shallow mar<strong>in</strong>e environments and iswidespread <strong>in</strong> sandstones and limestonesThis sandstone cemented by calcite4