GRD00GGS0
I-677
Granite
Paleozoic › Devonian
359.0
-
416.0
1
Ritter 154 › Cabinet 15 › Drawer A
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Quincy alkali granite. Microperthitic Kspar, zoned Plag, CPX (riebeckite and aegirine), Amph, interstitial Q and Apatite.
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Massachusetts
Quincy
Latitude: 42.2°
Longitude: -71.0°
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Microperthitic K-spar
5.0
plane
Microperthitic K-spar
5.0
crossed
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scan
crossed
GRD00GGT0: microperthitic Kspar, zoned Plag, CPX (riebeckite and aegirine), Amph, interstitial Q and Apatite
N/A
N/A