GRD040AS0
19-58
Diorite
Precambrian › Proterozoic › Paleoproterozoic › Statherian
1600.0
-
1800.0
0
Ritter 154 › Cabinet 29 › Drawer J
Quartz diorite
Biotite - Hornblende Quartz Diorite. Minor Apatite, Epidote, Shene.
-
Boulder Creek Batholith
Colorado
S of Rollinsville on 119, about 100m E of BM 8591
Latitude: 39.9085°
Longitude: -105.496°
-
N/A
N/A
USGSProfPaper1101.pdf
(15.2 MB)
Specimen 352 - Chemical analysis Table 12, p. 46. Modal analysis Table 7, p. 28.