Sample 78WM189A

NavDat sample number 13530

Sample

Sample ID	78WM189A
Rock type	PLUTONIC
Material	IGNEOUS

Location

Latitude	45.9736
Longitude	-114.982
Location	IDAHO COUNTY
State / province	Idaho
Volcanic field	Challis magmatic province

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
47		42	52

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	77.1		WT%	XRF
AL2O3	12.2		WT%	XRF
MGO	0.1		WT%	XRF
CAO	0.4		WT%	XRF
NA2O	3.4		WT%	XRF
K2O	4.78		WT%	XRF
TIO2	0.1		WT%	XRF
P2O5	0.1		WT%	XRF
MNO	-0.02		WT%	XRF
FE2O3T	1.31		WT%	XRF
TOTAL	99.47		WT%	XRF

References

Toth, Margo I (1987) Petrology and origin of the Bitterroot Lobe of the Idaho Batholith. U. S. Geological Survey Professional Paper, Report: P 1436, pp.9-35,1987