GRD0405S0
19-53
Granodiorite
Precambrian › Proterozoic › Paleoproterozoic › Statherian
1600.0
-
1800.0
0
Ritter 154 › Cabinet 29 › Drawer J
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Boulder Creek Granodiorite. Plagioclase rich, near Tonalite composition. Hornblende bearing with minor Epidote and Sphene.
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Boulder Creek Batholith
Colorado
SE of Wheelman, CO. 0.2 mi SE on 119
Latitude: 40.001°
Longitude: -105.372°
1920.0 m a.s.l.
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N/A
N/A
USGSProfPaper1101.pdf
(15.2 MB)
Specimen 138 - Modal analysis Table 1 p. 16. Analysis table 10 p 42.