Sample 97-LT-81

NavDat sample number 130820 · GRANITE

Sample

Sample ID	97-LT-81
Rock name	GRANITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS
Collected by	Cousens and others

Location

Latitude	39.4983
Longitude	-120.06
Location	Ladybug Peak
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
14		1	28

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	65.94		WT%	XRF
TIO2	0.486		WT%	XRF
AL2O3	15.59		WT%	XRF
FE2O3	4.254		WT%	XRF
MNO	0.0803		WT%	XRF
MGO	1.55		WT%	XRF
CAO	3.716		WT%	XRF
NA2O	3.2		WT%	XRF
K2O	3.855		WT%	XRF
P2O5	0.095		WT%	XRF
LOI	0.6		WT%	XRF
V	88		PPM	XRF
CR	12		PPM	XRF
NI	4		PPM	XRF
RB	161		PPM	XRF
SR	311		PPM	XRF
Y	20		PPM	XRF
ZR	152		PPM	XRF
BA	869		PPM	XRF
NB	10		PPM	ICPMS
CO	10		PPM	UNKNOWN
ZN	59		PPM	UNKNOWN

References

Cousens, Brian; Prytulak, Julie; Henry, Christopher; Alcazar, Al; Brownrigg, Tim (2008) Geology, geochronology, and geochemistry of the Miocene-Pliocene ancestral Cascades Arc, northern Sierra Nevada, California and Nevada;the roles of the upper mantle, subducting slab, and the Sierra Nevadalithosphere. Geosphere, vol. 4, no. 5, pp.829-853, Oct 2008 doi:10.1130/GES00166.1