Sample Y-645

NavDat sample number 32260 · GRANODIORITE

Sample

Sample ID	Y-645
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	37.51
Longitude	-119.737
Location	Fine Gold
State / province	California
Pluton	Granodiorite of Arch Rock - Crowsfoot Camp pluton

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
114		102.6	125.4

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	70.6		WT%	RAPID_ROCK
TIO2	0.19		WT%	RAPID_ROCK
AL2O3	15.6		WT%	RAPID_ROCK
FE2O3	0.94		WT%	RAPID_ROCK
FEO	1.1		WT%	RAPID_ROCK
MNO	0.05		WT%	RAPID_ROCK
MGO	0.76		WT%	RAPID_ROCK
CAO	2.5		WT%	RAPID_ROCK
NA2O	2.6		WT%	RAPID_ROCK
K2O	3.5		WT%	RAPID_ROCK
P2O5	0.15		WT%	RAPID_ROCK

References

Bateman, Paul C; Dodge, Franklin C W; Bruggman, Peggy E (1984) Major oxide analyses, CIPW norms, modes, and bulk specific gravities of plutonic rocks from the Mariposa 1 degrees by 2 degrees sheet, central Sierra Nevada, California. Open-File Report - U. S. Geological Survey, Report: OF 84-0162, 59 pp., 1984