Sample 21C

NavDat sample number 128375 · APLITE

Sample

Sample ID	21C
Rock name	APLITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS
Collected by	Frost, Thomas
Comment	Aplite dike 21C

Location

Latitude	37.0567
Longitude	-118.558
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	76.7		WT%	XRF
TIO2	0.05		WT%	XRF
AL2O3	12.8		WT%	XRF
FE2O3	0.48		WT%	XRF
MNO	0.05		WT%	XRF
MGO	0.1		WT%	XRF
CAO	0.83		WT%	XRF
NA2O	3.27		WT%	XRF
K2O	5.38		WT%	XRF
P2O5	0.04		WT%	XRF
LOI	0.17		WT%	XRF
BA	40		PPM	EDXRF
LA	22		PPM	EDXRF
CE	36		PPM	EDXRF
RB	160		PPM	EDXRF
SR	47		PPM	EDXRF
Y	11		PPM	EDXRF
ZR	37		PPM	EDXRF
NB	19		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