Sample 28

NavDat sample number 14918

Sample

Sample ID	28
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	38.3819
Longitude	-113.499
State / province	Utah

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
23.2		22.2	24.2

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
K2O	4.7		WT%	XRF
SIO2	55		WT%	XRF
TIO2	1.41		WT%	XRF
AL2O3	14.5		WT%	XRF
FE2O3	8		WT%	XRF
MNO	0.13		WT%	XRF
MGO	6		WT%	XRF
CAO	6.5		WT%	XRF
NA2O	3.3		WT%	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.