GRD040MS0
19-70
Granodiorite
Precambrian › Proterozoic › Paleoproterozoic › Statherian
1600.0
-
1800.0
0
Ritter 154 › Cabinet 29 › Drawer J
-
Boulder Creek Granodiorite in satalitic pluton.
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Boulder Creek Batholith
Colorado
Central City, CO, near head of Spring Gulch. About 700 ft S of BM 8891 in mine area, blasted for foundation of some structure, possibly a mill.
Latitude: 39797.0°
Longitude: -105.513°
N/A
N/A
USGSProfPaper1101.pdf
(15.2 MB)
Specimen 393 - Chemical Analysis Table 10 p 40.