Sample DP78-1

NavDat sample number 21014 · RHYOLITE

Sample

Sample ID	DP78-1
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	Rhyolite

Location

Latitude	38
Longitude	-119
Location	Inyo Domes
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.0006		0.00054	0.00066

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	71.2		WT%	XRF
AL2O3	14.6		WT%	XRF
FE2O3	0.94		WT%	XRF
FEO	1.28		WT%	XRF
MGO	0.6		WT%	XRF
CAO	1.77		WT%	XRF
NA2O	4.4		WT%	XRF
K2O	4.36		WT%	XRF
TIO2	0.41		WT%	XRF
P2O5	0.12		WT%	XRF
MNO	0.06		WT%	XRF
H2O	0.36		WT%	XRF
TOTAL	100.1		WT%	XRF
BA	950		PPM	XRF
CR	2.2		PPM	XRF
CU	7.7		PPM	XRF
NB	18		PPM	XRF
RB	118		PPM	XRF
SR	293		PPM	XRF
Y	23		PPM	XRF
ZN	35		PPM	XRF
ZR	206		PPM	XRF

References

Varga, Robert J; Bailey, Roy A; Suemnicht, Gene A (1990) Evidence for 600 year-old basalt and magma mixing at Inyo Cratersvolcanic chain, Long Valley Caldera, California. Journal of Geophysical Research, vol.95, no.B13, pp.21,441-21,450, 10Dec 1990 doi:10.1029/JB095iB13p21441