GRD02B7S0
M-245
Syenite
Precambrian › Proterozoic
542.0
-
2500.0
1
Ritter 154 › Cabinet 15 › Drawer C
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Clinopyroxene-plagioclase-quartz-amphibole-apatite-opaques. Medium-grained.
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-
-
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Perthitic potassium feldspar.
5.0
plane
Perthitic potassium feldspar.
5.0
crossed
Clinopyroxene
5.0
plane
Clinopyroxene
5.0
crossed
-
scan
crossed
GRD02B7T0: Perthitic potassium feldspar, 25-30% clinopyroxene (high relief, 1 dominant cleavage). Trace plagioclase, quartz, amphibole (dark pleochroic), apatite, and opaques. Similar to M-243 and M-244. (J. Gee)
N/A
N/A