Sample 339

NavDat sample number 14790 · RHYODACITE

Sample

Sample ID	339
Rock name	RHYODACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

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
13.9		13.8	14

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	68.3		WT%	XRF
AL2O3	15.7		WT%	XRF
FE2O3	4.28		WT%	XRF
MGO	0.12		WT%	XRF
CAO	1.41		WT%	XRF
NA2O	4.26		WT%	XRF
K2O	5.39		WT%	XRF
TIO2	0.67		WT%	XRF
P2O5	0.15		WT%	XRF
MNO	0.06		WT%	XRF
RB	158		PPM	XRF
SR	125		PPM	XRF
ZR	386		PPM	XRF
Y	46		PPM	XRF
NB	33		PPM	XRF
ZN	82		PPM	XRF
GA	28		PPM	XRF
PB	23		PPM	XRF
TOTAL	100.3		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