GRD001YS0
I-73
Syenite
Precambrian › Proterozoic
542.0
-
2500.0
0
Ritter 154 › Cabinet 19 › Drawer D
-
Kspar, quartz, amphibole
See T Theodore (2007) USGS bulletin 2160, indicates both proterozoic and mesozoic intrusions present in Old Dad Mountains
Old Dad Mtns
California
Old Dad Mtns, Amboy
Latitude: 35.2°
Longitude: -115.9°