GRD00I4S0
I-737
Syenite
Mesozoic › Cretaceous › Early Cretaceous › Albian
99.6
-
112.0
1
Ritter 154 › Cabinet 19 › Drawer D
-
hornblende syenite (Ks-Plag-Hb-Bi).
Two pieces look similar (I-681 and I-737)
-
Vermont
Cuttingsville
Latitude: 43.5°
Longitude: -72.9°
-
Apatite inclusions in biotite
5.0
plane
Apatite inclusions in biotite
5.0
crossed
Blue dispersion in k-spar
5.0
crossed
-
scan
crossed
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