Sample 282

NavDat sample number 14773 · ANDESITE

Sample

Sample ID	282
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Fe-rich andesite

Location

Latitude	37.2517
Longitude	-114.632
Location	Kate Springs Wash Caldera
State / province	Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
13.4		12.06	14.74

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	61.8		WT%	XRF
AL2O3	14		WT%	XRF
FE2O3	7.98		WT%	XRF
MGO	1.43		WT%	XRF
CAO	4.44		WT%	XRF
NA2O	2.89		WT%	XRF
K2O	3.15		WT%	XRF
TIO2	1.36		WT%	XRF
P2O5	0.51		WT%	XRF
MNO	0.11		WT%	XRF
H2O	0.86		WT%	XRF
RB	82		PPM	XRF
SR	327		PPM	XRF
ZR	330		PPM	XRF
Y	39		PPM	XRF
NB	23		PPM	XRF
ZN	90		PPM	XRF
GA	22		PPM	XRF
PB	16		PPM	XRF
TOTAL	98.5		WT%	XRF

References

Novak, S W; Mahood, G A (1986) Rise and fall of a basalt-trachyte-rhyolite magma system at the KaneSprings Wash Caldera, Nevada. Contributions to Mineralogy and Petrology, vol.94, no.3, pp.352-373,1986 doi:10.1007/BF00371444