Sample 103

NavDat sample number 128329 · GRANITE

Sample

Sample ID	103
Rock name	GRANITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS
Collected by	Frost, Thomas
Comment	Lamarck

Location

Latitude	37.105
Longitude	-118.538
Location	Lamark Granodiorite
State / province	California
Volcanic field	Eastern Sierra Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
91.6		91	92.2

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	68.6		WT%	XRF
TIO2	0.36		WT%	XRF
AL2O3	15.5		WT%	XRF
FE2O3	2.65		WT%	XRF
MNO	0.08		WT%	XRF
MGO	0.92		WT%	XRF
CAO	2.58		WT%	XRF
NA2O	4.2		WT%	XRF
K2O	3.5		WT%	XRF
P2O5	0.12		WT%	XRF
LOI	0.45		WT%	XRF
BA	1400		PPM	EDXRF
CE	46		PPM	EDXRF
RB	100		PPM	EDXRF
SR	390		PPM	EDXRF
Y	14		PPM	EDXRF
ZR	130		PPM	EDXRF
NB	13		PPM	EDXRF
ZN	52		PPM	EDXRF

References

Frost, Thomas P. (1987) Sample localities, descriptions, major- and trace-element abundances from the Lamarck Granodiorite and associated mafic rocks, eastern Sierra Nevada, California. Open-File Report - U. S. Geological Survey, Report: OF 87-0193, 38 pp., 1987