Sample I-1152

NavDat sample number 42042 · RHYOLITE

Sample

Sample ID	I-1152
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	42.1941
Longitude	-115.693
State / province	Idaho

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
8.9		7.5	10.3

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	69.52		WT%	XRF
AL2O3	13.25		WT%	XRF
TIO2	0.58		WT%	XRF
FE2O3T	4.22		WT%	XRF
MNO	0.06		WT%	XRF
CAO	1.81		WT%	XRF
MGO	0.52		WT%	XRF
K2O	5.31		WT%	XRF
NA2O	2		WT%	XRF
P2O5	0.12		WT%	XRF
TOTAL	97.39		WT%	XRF
Y	60		PPM	XRF
SR	107		PPM	XRF
U	7		PPM	XRF
RB	178		PPM	XRF
TH	27		PPM	XRF
PB	26		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