GRD0409S0
19-57
Monzonite
Precambrian › Proterozoic › Paleoproterozoic › Statherian
1600.0
-
1800.0
0
Ritter 154 › Cabinet 29 › Drawer J
Quartz Monzonite
Twin Spruce Quartz Monzonite. Trace Allanite, Apatite and Zircon.
-
Boulder Creek Batholith
Colorado
Wondervu, CO on 72. WSW of BM 8772
Latitude: 39.9248°
Longitude: -105.4023°
N/A
N/A
USGSProfPaper1101.pdf
(15.2 MB)
Specimen 77 - Modal analysis on table 8, p.30.