Sample USWG4-493.2

NavDat sample number 85254

Sample

Sample ID	USWG4-493.2
Material	notfound

Location

Latitude	36.852
Longitude	-116.451
State / province	NEVADA

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
12.778		12.78	12.775

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
FEO			WT%	WET
SIO2	75.47		WT%	WET
AL2O3	12.98		WT%	XRF
CAO	0.55		WT%	XRF
FE2O3	1.07		WT%	XRF
K2O	4.84		WT%	XRF
LOI	1.11		WT%	XRF
MGO	0.17		WT%	XRF
MNO	0.1033		WT%	XRF
MN	0.08		WT%	XRF
NA2O	3.4		WT%	XRF
P2O5	0.01		WT%	XRF
TIO2	0.12		WT%	XRF
TOTAL	99.8		WT%	XRF

References

Spengler, R. W., M. P. Chornack, D. C. Muller, and J. E. Kibler (1984) Stratigraphic and structural characteristics of volcanic rocks in core hole USW G-4, Yucca Mountain, Nye County, Nevada. U. S. Geol. Survey Open-file Report 84-789, 77 pp., 1984