Sample 83083-1

NavDat sample number 21015 · ANDESITE

Sample

Sample ID	83083-1
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	58.5		WT%	XRF
AL2O3	15.4		WT%	XRF
FE2O3	2.9		WT%	XRF
FEO	2.9		WT%	XRF
MGO	3.13		WT%	XRF
CAO	4.99		WT%	XRF
NA2O	4.65		WT%	XRF
K2O	2.46		WT%	XRF
TIO2	0.91		WT%	XRF
P2O5	0.3		WT%	XRF
MNO	0.18		WT%	XRF
H2O	3.08		WT%	XRF
TOTAL	99.4		WT%	XRF
BA	464		PPM	XRF
CR	12		PPM	XRF
CU	15		PPM	XRF
NB	27		PPM	XRF
NI	22		PPM	XRF
RB	77		PPM	XRF
SR	492		PPM	XRF
Y	11		PPM	XRF
ZN	110		PPM	XRF
ZR	187		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