Triangles: 2.2M
Vertices: 1.1M
More model information2 April 2019.
This rock, and the bedrock around, is full of crystals, 1cm+ in length, and broadly aligned. The BGS map shows “Grantown Formation - Semipelite, Gneissose. Metamorphic bedrock. Originally sedimentary rocks. Later altered by high grade regional metamorphism”.
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