Sample 9YC-520A

NavDat sample number 21308 · RHYOLITE

Sample

Sample ID	9YC-520A
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.5
Longitude	-110.75
Location	COLUMBIA RIVER BASALT PROVINCE / YELLOWSTONE PLATEAU / LAVA CREEK FORMATION
State / province	WYOMING
Location comment	BLUFF CREEK, SOUTH ENTRANCE ROAD,YELLOWSTONE NATIONAL PARK

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.63		0.567	0.693	QUATERNARY

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
F	0.05		WT%	SIE
LOI	2.55		WT%	IGN
D18O	6.4		PERMILL	MS

References

Hildreth, Wes; Halliday, Alex N; Christiansen, Robert L (1991) Isotopic and chemical evidence concerning the genesis and contamination of basaltic and rhyolitic magma beneath the Yellowstone Plateau volcanic field. Journal of Petrology. 32; 1, Pages 63-137. 1991.