Sample s_UA 459

NavDat sample number 11179 · TUFF

Sample

Sample ID	s_UA 459
Rock name	TUFF
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	felsic rock

Location

Latitude	61
Longitude	-142
Location	WRANGELLIA
State / province	YUKON TERRITORY
Location comment	WRANGELL MOUNTAINS

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.09		0.06	0.12	QUATERNARY

Analyses

Volcanic glass

Item	Value	Std. dev.	Unit	Method
LA	21.6		PPM	INAA
CE	39		PPM	INAA
ND	11		PPM	INAA
SM	2.69		PPM	INAA
EU	0.63		PPM	INAA
TB	0.26		PPM	INAA
YB	0.76		PPM	INAA
LU	0.14		PPM	INAA
SC	2.2		PPM	INAA
HF	1.34		PPM	INAA
TA	840		PPM	INAA
RE	3.49		PPM	INAA
OS	0.62		PPM	INAA
U	6.4		PPM	INAA
U	2.4		PPM	INAA

References

Westgate, J A; Walter, R C; Pearce, G W; Gorton, M P (1985) Distribution, stratigraphy, petrochemistry, and palaeomagnetism of the late Pleistocene Old Crow tephra in Alaska and the Yukon. Canadian Journal of Earth Sciences = Journal Canadien des Sciences de la Terre. 22; 6, Pages 893-906. 1985. doi:10.1139/e85-093