Sample L80-34A

NavDat sample number 12565 · RHYOLITE

Sample

Sample ID	L80-34A
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	hornblende and biotite bearing

Location

Latitude	43.2553
Longitude	-114.355
Location	Blaine County
State / province	Idaho
Volcanic field	Young Dome rhyolite

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.92		2.88	2.96

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	75.1		WT%	UNKNOWN
TIO2	0.08		WT%	UNKNOWN
AL2O3	12.79		WT%	UNKNOWN
FE2O3T	1.66		WT%	UNKNOWN
MNO	0.04		WT%	UNKNOWN
MGO	0.01		WT%	UNKNOWN
CAO	0.45		WT%	UNKNOWN
NA2O	4.11		WT%	UNKNOWN
K2O	4.77		WT%	UNKNOWN
P2O5	0.02		WT%	UNKNOWN
TOTAL	99.02		WT%	UNKNOWN

References

Honjo, Norio; McElwee, Kris R; Duncan, Robert A; Leeman, William P (1986) K-Ar ages of volcanic rocks from the Magic Reservoir eruptive center, Snake River plain, Idaho. Isochron/West, vol.46, pp.15-17, Aug 1986