Sample s_MALLARD LAKE

NavDat sample number 43614 · RHYOLITE

Sample

Sample ID	s_MALLARD LAKE
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.15
Longitude	-111.15
Location	COLUMBIA RIVER BASALT PROVINCE / YELLOWSTONE PLATEAU / CENTRAL PLATEAU MEMBER
State / province	WYOMING
Location comment	MALLARD LAKE, YELLOWSTONE CALDERA, YELLOWSTONE NATIONAL PARK

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.149		0.1341	0.1639

Analyses

Volcanic glass

Item	Value	Std. dev.	Unit	Method
RB	162.2		PPM	TIMS_ID
SR	7.57		PPM	TIMS_ID
ND143_ND144	0.512241			TIMS
SR87_SR86_INITIAL	0.709938			TIMS
RB87_SR86	61.2			TIMS

References

Vazquez, Jorge A; Reid, Mary R (2002) Time scales of magma storage and differentiation of voluminous high-silica rhyolites at Yellowstone Caldera, Wyoming. Contributions to Mineralogy and Petrology. 144; 3, Pages 274-285. 2002.