Sample 20

NavDat sample number 14910

Sample

Sample ID	20
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	38.1722
Longitude	-113.842
State / province	Utah

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
21.5		20.4	22.6

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
K2O	4.64		WT%	XRF
SIO2	76.1		WT%	XRF
TIO2	0.05		WT%	XRF
AL2O3	12.5		WT%	XRF
FE2O3	1.17		WT%	XRF
MNO	0.14		WT%	XRF
MGO	0.05		WT%	XRF
CAO	0.62		WT%	XRF
NA2O	4.2		WT%	XRF
RB	645		PPM	XRF
SR	5		PPM	XRF
ZR	155		PPM	XRF
NB	115		PPM	XRF
BA	25		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.