Sample 40-T

NavDat sample number 21902 · RHYOLITE

Sample

Sample ID	40-T
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	rhyolite tuff

Location

Latitude	35.3247
Longitude	-115.078
Location	Castle Mountains, southern Nevada and eastern California
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
17.3		16.1	18.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.1		WT%	UNKNOWN
TIO2	1.23		WT%	UNKNOWN
AL2O3	16.6		WT%	UNKNOWN
FEO	7.24		WT%	UNKNOWN
MNO	0.13		WT%	UNKNOWN
MGO	5.23		WT%	UNKNOWN
CAO	8.24		WT%	UNKNOWN
NA2O	3.38		WT%	UNKNOWN
K2O	1.72		WT%	UNKNOWN
P2O5	0.31		WT%	UNKNOWN
FE2O3	6.02		WT%	GRAV
RB	45		PPM	XRF
SR	552		PPM	XRF
Y	29		PPM	XRF
ZR	191		PPM	XRF
SR87_SR86	0.70729			XRF

References

Turner, Ryan D; Glazner, Allen F (1990) Miocene volcanism, folding, and faulting in the Castle Mountains, southern Nevada and eastern California. Memoir - Geological Society of America, vol.176, pp.23-35, 1990