GRD000BS0
I-11
Syenite
Precambrian › Proterozoic › Mesoproterozoic › Stenian
1000.0
-
1200.0
1
Ritter 154 › Cabinet 15 › Drawer C
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Original description: Hedenbergite granite. Probably part of Grenville fayalite-augite syenites of Wanakena.
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New York
Wanakena
Latitude: 44.1°
Longitude: -74.9°
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2.5
plane
Perthitic potassium feldspar, biotite, fayalite
2.5
crossed
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scan
crossed
GRD000BT0: 65% Perthitic K-spar, 15% Quartz, 10% Fayalite, 10% Hedenbergite (?), 1% Plagioclase (C. Eichler)
N/A
N/A