Sample I-1089

NavDat sample number 41963 · RHYOLITE

Sample

Sample ID	I-1089
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	42.015
Longitude	-115.638
State / province	Idaho

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
11.8		10.62	12.98

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	73.18		WT%	XRF
AL2O3	12.31		WT%	XRF
TIO2	0.4		WT%	XRF
FE2O3T	2.4		WT%	XRF
MNO	0.03		WT%	XRF
CAO	0.86		WT%	XRF
MGO	0.54		WT%	XRF
K2O	5.52		WT%	XRF
NA2O	2.1		WT%	XRF
P2O5	0.05		WT%	XRF
TOTAL	97.39		WT%	XRF
Y	55		PPM	XRF
SR	51		PPM	XRF
U	9		PPM	XRF
RB	219		PPM	XRF
TH	32		PPM	XRF
PB	29		PPM	XRF
GA	17		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