Sample 95cpt/hg97.5

NavDat sample number 46218 · PYROCLASTIC-FLOW

Sample

Sample ID	95cpt/hg97.5
Rock name	PYROCLASTIC-FLOW
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	upper vitrophyre

Location

Latitude	41.94
Longitude	-115.42
State / province	Nevada
Volcanic field	Cougar Point Tuff, unit 7 unit XII by the old nomenclature

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
11.19		10.071	12.309

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SC	4		PPM	INAA
CO	3.5		PPM	INAA
BR	1.4		PPM	INAA
CS	3.4		PPM	INAA
LA	77		PPM	INAA
CE	138		PPM	INAA
ND	52		PPM	INAA
SM	8.88		PPM	INAA
EU	1.22		PPM	INAA
TB	1.5		PPM	INAA
YB	4.75		PPM	INAA
LU	0.68		PPM	INAA
HF	13		PPM	INAA
TA	3.1		PPM	INAA
TH	28		PPM	INAA
U	8		PPM	INAA

References

Cathey, Henrietta E; Nash, Barbara P (2004) The Cougar Point Tuff; implications for thermochemical zonation andlongevity of high-temperature, large-volume silicic magmas of theMiocene Yellowstone Hotspot. Journal of Petrology, vol.45, no.1, pp.27-58, Jan 2004 doi:10.1093/petrology/egg081