GRD02RSS0
Calif 1200
Diorite
Unknown
None
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4
Ritter 154 › Cabinet 3 › Drawer E
Quartz diorite
One 1cm thick slab. Coarse grained, weathered, Plagioclase, Quartz, Hornblende, Biotite, trace K-spar apatite and sphene, minor chlorite
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Point Reyes CA, from N end of point, from the Salinian block.
Latitude: 38.0°
Longitude: -123.0°
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N/A
GRD02RST0: Has quartz, plag, Hornblende, biotite, sphene, apatite(in biotite), myrmekite, trace K-spar, minor chlorite.
GRD02RST1: Has quartz, plag, Hornblende, biotite, sphene, apatite(in biotite), myrmekite, trace K-spar, minor chlorite.
GRD02RST2: Has quartz, plag, Hornblende, biotite, sphene, apatite(in biotite), myrmekite, trace K-spar, minor chlorite.
GRD02RST3: Has quartz, plag, Hornblende, biotite, sphene, apatite(in biotite), myrmekite, trace K-spar, minor chlorite.
N/A
N/A