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- Spatial Coverage is exactly "Adirondack Highlands-collected from a large road cut on the east side of NY routes 10 &29A across from the Canada Lake Store."
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Pyroxene-quartz-plagioclase gneiss
This specimen consists of 50-60% andesine, 20-30% quartz, and minor pyroxene and hornblende. Associated with this lithology are 2-6 inch layers of pyroxene-plagioclase granulite and amphibolite. It is believed that the Royal Mountain Member gneiss…