Siliceous oolite #57 05-20-2020

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Author name
rocksandminerals
Source
Sketchfab
Polygon Count
1,129,806
Release Date
2020-05-20
License
CC BY 4.0
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Asset Overview

The Gatesburg Formation (State College, Pennsylvania) is a light gray silliceous oolite cemented by a light gray compact silica (chalcedony). Oolite is here used as a rock name, but the term also refers to the small spherical grains that can be seen (about 1 mm in diameter). The oolites were probably originally made of calcite but are now made of chalcedony. This sample is 10 cm wide.