Sample I-808

NavDat sample number 41991 · RHYOLITE

Sample

Sample ID	I-808
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	42.0056
Longitude	-115.636
State / province	Idaho

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
10.94		10.91	10.97

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	74.17		WT%	XRF
AL2O3	12.06		WT%	XRF
TIO2	0.27		WT%	XRF
FE2O3T	2.41		WT%	XRF
MNO	0.03		WT%	XRF
CAO	0.7		WT%	XRF
MGO	0.3		WT%	XRF
K2O	5.72		WT%	XRF
NA2O	2.57		WT%	XRF
P2O5	0.04		WT%	XRF
TOTAL	98.27		WT%	XRF
Y	75		PPM	XRF
SR	29		PPM	XRF
U	9		PPM	XRF
RB	209		PPM	XRF
TH	33		PPM	XRF
PB	31		PPM	XRF
GA	19		PPM	XRF

References

Bonnichsen, Bill compiler; Leeman, William P compiler; Bernt, Johncompiler; Godchaux, Martha M compiler; Jenks, Margaret Dcompiler (1994) Technical Report - Idaho Geological Survey, Report: 94-5, 1 sheet,1994