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Updated: May 14, 2025
The spaces between the grains, which are intact, are filled with a confused mass of peripherally granulated minerals, in which strain shadows are very prominent. The rock has been derived by dynamic metamorphism from a basic igneous rock. 4-Biotite Granite Gneiss. Eighteen miles above mouth of Nascaupee River. A fine-grained rock of gneissic structure having a faint pink color.
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