Sample 8YC-413

NavDat sample number 21319 · RHYOLITE

Sample

Sample ID	8YC-413
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
RB	2.24		PPM	TIMS_ID
SR	272.2		PPM	TIMS_ID
D18O	6.25		PERMILL	MS
ND143_ND144	0.512154			TIMS
SR87_SR86	0.71393			TIMS
RB87_SR86	351.8			TIMS

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.