Sample 27A

NavDat sample number 128383 · APLITE

Sample

Sample ID	27A
Rock name	APLITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS
Collected by	Frost, Thomas
Comment	Comp. dike

Location

Latitude	37.2106
Longitude	-118.571
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	73.7		WT%	XRF
TIO2	0.12		WT%	XRF
AL2O3	13.8		WT%	XRF
FE2O3	1.13		WT%	XRF
MNO	0.01		WT%	XRF
MGO	0.28		WT%	XRF
CAO	1.7		WT%	XRF
NA2O	2.7		WT%	XRF
K2O	5.77		WT%	XRF
P2O5	0.05		WT%	XRF
LOI	0.05		WT%	XRF
BA	1650		PPM	EDXRF
CE	30		PPM	EDXRF
RB	130		PPM	EDXRF
SR	440		PPM	EDXRF
ZR	90		PPM	EDXRF
NB	9		PPM	EDXRF
ZN	18		PPM	EDXRF
CR	6		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