GRD0408S0
19-56
Granodiorite
Precambrian › Proterozoic › Paleoproterozoic › Statherian
1600.0
-
1800.0
0
Ritter 154 › Cabinet 29 › Drawer J
-
Boulder Creek Granodiorite. Porphyroblastic. Minor Allanite and Apatite with trace Zircon and Sphene.
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Boulder Creek Batholith
Colorado
1/2 mile NW of Pinccliffe on 72
Latitude: 39.938°
Longitude: -105.441°
-
N/A
N/A
USGSProfPaper1101.pdf
(15.2 MB)
Specimen 71 - No chemical analysis. Modal analysis table 1 p 14.