Sample 13a

NavDat sample number 14902

Sample

Sample ID	13a
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	38.25
Longitude	-113.803
State / province	Utah

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
21.8		20.9	22.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
K2O	5.41		WT%	XRF
SIO2	74.5		WT%	XRF
TIO2	0.28		WT%	XRF
AL2O3	12.8		WT%	XRF
FE2O3	1.78		WT%	XRF
MNO	0.05		WT%	XRF
MGO	0.21		WT%	XRF
CAO	0.69		WT%	XRF
NA2O	3.7		WT%	XRF
RB	200		PPM	XRF
SR	65		PPM	XRF
ZR	310		PPM	XRF
NB	40		PPM	XRF
BA	395		PPM	XRF

References

Best, Myron G; Mehnert, Harald H; Keith, Jeffrey D; Naeser, Charles W (1987) Miocene magmatism and tectonism in and near the southern Wah Wah Mountains, southwestern Utah. U. S. Geological Survey Professional Paper. Pages 29-47. 1987.