Sample I-457

NavDat sample number 41966 · RHYOLITE

Sample

Sample ID	I-457
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	42.0454
Longitude	-115.652
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	73.73		WT%	XRF
AL2O3	12.51		WT%	XRF
TIO2	0.4		WT%	XRF
FE2O3T	2.58		WT%	XRF
MNO	0.04		WT%	XRF
CAO	0.89		WT%	XRF
MGO	0.5		WT%	XRF
K2O	5.72		WT%	XRF
NA2O	2.4		WT%	XRF
P2O5	0.06		WT%	XRF
TOTAL	98.83		WT%	XRF
Y	52		PPM	XRF
SR	50		PPM	XRF
U	9		PPM	XRF
RB	222		PPM	XRF
TH	31		PPM	XRF
PB	43		PPM	XRF
GA	16		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