Sample 47

NavDat sample number 63235 · PYROCLASTIC FALL

Sample

Sample ID	47
Alternate ID	N-ASW-119
Rock name	PYROCLASTIC FALL
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Collected by	W.A. Duffield, C.R. Bacon
Comment	air-fall pumice of the Coso area

Location

Latitude	36.0658
Longitude	-117.839
Location	Inyo County
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.99		2.79	3.19

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SC	1.05		PPM	NAA
MN	284		PPM	NAA
ZN	42		PPM	NAA
RB	105		PPM	NAA
CS	2.6		PPM	NAA
LA	24.1		PPM	NAA
CE	44.1		PPM	NAA
ND	14		PPM	NAA
SM	1.97		PPM	NAA
EU	0.44		PPM	NAA
TB	0.2		PPM	NAA
DY	1.48		PPM	NAA
YB	0.91		PPM	NAA
LU	0.12		PPM	NAA
HF	3.91		PPM	NAA
TA	0.71		PPM	NAA
TH	7.7		PPM	NAA
U	2.34		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