Sample USWG1-2617

NavDat sample number 84629 · PYROCLASTIC-FLOW

Sample

Sample ID	USWG1-2617
Rock name	PYROCLASTIC-FLOW
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	36.8649
Longitude	-116.458
State / province	NEVADA

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
13.265		13.27	13.26

Analyses

Whole Rock

Item	Value	Std. dev.	Unit	Method
AL2O3	12.5		WT%	XRF
CAO	1.2		WT%	XRF
FE2O3	1.77		WT%	XRF
K2O	3.22		WT%	XRF
LOI	7.53		WT%	XRF
MGO	0.28		WT%	XRF
MNO	0.0517		WT%	XRF
MN	0.04		WT%	XRF
NA2O	3.63		WT%	XRF
P2O5			WT%	XRF
SIO2	69.1		WT%	XRF
TIO2	0.14		WT%	XRF
TOTAL	99.41		WT%	XRF
UO2	4.5036		PPM	NAA
THO2	27.4452		PPM	GAMMA-RAY COUNTING
UO2	4.3754		PPM	GAMMA-RAY COUNTING

References

Ferguson, John F; Cogbill, Allen H; Warren, Richard G (1994) A geophysical-geological transect of the Silent Canyon caldera complex, Pahute Mesa, Nevada. Journal of Geophysical Research, vol.99, no.B3, pp.4323-4339, 10 Mar 1994 doi:10.1029/93JB02447