GRD044TS0
AR-01
Syenite
Mesozoic › Cretaceous › Late Cretaceous › Turonian
89.3
-
93.5
0
Ritter 154 › Cabinet 15 › Drawer D
-
coarse, biotite syenite (Kspar, biotite, plag)
-
Arkansas alkaline province
Arkansas
Granite Mtns, south of Little Rock, AR (picked one of quarries)
Latitude: 34.7°
Longitude: -92.2°
