GRD02SFS0
G 1612
Intermediate Intrusive
Cenozoic › Paleogene › Oligocene
23.0
-
33.9
0
Ritter 154 › Cabinet 19 › Drawer K
Hb-Plag Trachyte
20-5-% plag, under 15% Hb, under 5% cpx.
See Michael Ross (Utah Geological survey) PDF geology of tertiary centers of the La Sal Mountains
-
La Sal Loop Rd. In northern La Sal mountains E of Moab.
Latitude: 38.564°
Longitude: -109.293°