Sample 37

NavDat sample number 63228 · PYROCLASTIC-FALL

Sample

Sample ID	37
Alternate ID	N-ASW-181
Rock name	PYROCLASTIC-FALL
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Collected by	A.M. Sarna-Wojcicki, J.W. Hillhouse
Comment	Uppermost ash ash A, Tecopa area

Location

Latitude	35.9711
Longitude	-116.274
Location	Inyo County
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.6		0.54	0.66

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SC	1.33		PPM	NAA
MN	259		PPM	NAA
ZN	94		PPM	NAA
RB	222		PPM	NAA
CS	4.2		PPM	NAA
LA	81		PPM	NAA
CE	160		PPM	NAA
ND	66		PPM	NAA
SM	12.47		PPM	NAA
EU	0.37		PPM	NAA
TB	2.08		PPM	NAA
DY	14.27		PPM	NAA
YB	8.35		PPM	NAA
LU	1.11		PPM	NAA
HF	8.5		PPM	NAA
TA	4.29		PPM	NAA
TH	30		PPM	NAA
U	6.62		PPM	NAA

References

Sarna-Wojcicki, Andrei M; Bowman, H R; Meyer, C E; Russell, P C; Woodward, M J; McCoy, Gail; Rowe, J J, Jr; Baedecker, P A; Asaro, Frank; Michael, Helen (1984) U. S. Geological Survey Professional Paper, Report: P 1293, 40 pp., 1984