GRD00I4S0
I-737
Syenite
Mesozoic › Cretaceous › Early Cretaceous › Albian
99.6
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112.0
1
Ritter 154 › Cabinet 19 › Drawer D
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hornblende syenite (Ks-Plag-Hb-Bi).
Two pieces look similar (I-681 and I-737)
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Vermont
Cuttingsville
Latitude: 43.5°
Longitude: -72.9°
GRD00I4T0: Alteration present. Biotite with apatite inclusions, resorbed olive green to reddish amphibole (many crystal inclusions), perthitic k-spar, occasional plagioclase and opaque oxides. (C. Eichler)
N/A
N/A