Sample Y-683

NavDat sample number 32147 · GRANODIORITE

Sample

Sample ID	Y-683
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	37.715
Longitude	-119.645
Location	Buena Vista Crest
State / province	California
Pluton	Granodiorite of Illilouette Creek - Leaning Tower pluton

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
100		90	110

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	70.4		WT%	RAPID_ROCK
TIO2	0.4		WT%	RAPID_ROCK
AL2O3	14.9		WT%	RAPID_ROCK
FE2O3	0.82		WT%	RAPID_ROCK
FEO	1.9		WT%	RAPID_ROCK
MNO	0.04		WT%	RAPID_ROCK
MGO	1		WT%	RAPID_ROCK
CAO	2.7		WT%	RAPID_ROCK
NA2O	3.4		WT%	RAPID_ROCK
K2O	3.3		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