Sample I-5-20

NavDat sample number 14676 · RHYOLITE

Sample

Sample ID	I-5-20
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	37.751
Longitude	-119.018
Location	The Inyo Volcanic Chain
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0		0.00055	0.00065

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	72.78		WT%	XRF
TIO2	0.18		WT%	XRF
AL2O3	14.5		WT%	XRF
FEO	1.87		WT%	XRF
MGO	0.29		WT%	XRF
CAO	0.91		WT%	XRF
NA2O	4.16		WT%	XRF
K2O	5.26		WT%	XRF
P2O5	0.05		WT%	XRF
TOTAL	99.12		WT%	XRF
NB	20		PPM	XRF
ZR	291		PPM	XRF
Y	25		PPM	XRF
SR	77		PPM	XRF
RB	140		PPM	XRF
BA	744		PPM	XRF
LA	59		PPM	XRF
CE	112		PPM	XRF
ND	41		PPM	XRF

References

Sampson, Daniel E; Cameron, Kenneth L (1987) The geochemistry of the Inyo volcanic chain; multiple magma systems inthe Long Valley region, eastern California. Journal of Geophysical Research, vol.92, no.B10, pp.10,403-10,421, 10Sep 1987 doi:10.1029/JB092iB10p10403