Sample 97-LT-82

NavDat sample number 130805 · BASALT

Sample

Sample ID	97-LT-82
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Collected by	Cousens and others

Location

Latitude	39.4857
Longitude	-120.046
Location	Ladybug Peak
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
10.1		10	15

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
SIO2	54.18		WT%	XRF
TIO2	0.93		WT%	XRF
AL2O3	18.06		WT%	XRF
FE2O3	8.11		WT%	XRF
MNO	0.14		WT%	XRF
MGO	4.86		WT%	XRF
CAO	7.51		WT%	XRF
NA2O	3.66		WT%	XRF
K2O	1.39		WT%	XRF
P2O5	0.32		WT%	XRF
LOI	0.7		WT%	XRF
V	190		PPM	XRF
CR	102		PPM	XRF
NI	44		PPM	XRF
RB	22		PPM	XRF
SR	913		PPM	XRF
Y	20		PPM	XRF
ZR	125		PPM	XRF
BA	1355		PPM	XRF
LA	25.14		PPM	ICPMS
ND	25.5		PPM	ICPMS
YB	1.76		PPM	ICPMS
NB	4.72		PPM	ICPMS
CS	0.88		PPM	ICPMS
HF	3.22		PPM	ICPMS
TH	5.25		PPM	ICPMS
PB	9.54		PPM	MS-ID

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