Sample VGC-1

NavDat sample number 21017 · ANDESITE

Sample

Sample ID	VGC-1
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Andesite Inclusion

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	57.3		WT%	XRF
AL2O3	17		WT%	XRF
FE2O3	3.06		WT%	XRF
FEO	2.6		WT%	XRF
MGO	2.74		WT%	XRF
CAO	5.03		WT%	XRF
NA2O	4.11		WT%	XRF
K2O	2.9		WT%	XRF
TIO2	0.92		WT%	XRF
P2O5	0.35		WT%	XRF
MNO	0.11		WT%	XRF
H2O	3.37		WT%	XRF
TOTAL	99.51		WT%	XRF
BA	937		PPM	XRF
CR	5.9		PPM	XRF
CU	8.5		PPM	XRF
NB	26		PPM	XRF
NI	14		PPM	XRF
RB	89		PPM	XRF
SR	873		PPM	XRF
Y	10		PPM	XRF
ZN	83		PPM	XRF
ZR	167		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