Triangles: 2.5M
Vertices: 1.3M
More model informationThis quartzo-feldspathic gneiss is an S-tectonite (it has a foliation, but no lineation). Quartz, plagioclase and alkali feldspar (probably orthoclase) dominate the rock and are accompanied by minor biotite. Possible protoliths include granite, felsic volcanics, or even a lithic sandstone.
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Jan 24th 2019
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