k-feldspar & quartzite. One would be tempted to say "granite" but it looks like the spar & quartz were brought together sedimentarily then metamorphosed (probably from glaciers) instead of formed together in the case of granite
k-feldspar & quartzite. One would be tempted to say "granite" but it looks like the spar & quartz were brought together sedimentarily then metamorphosed (probably from glaciers) instead of formed together in the case of granite