Sample 20B

NavDat sample number 131176 · RHYOLITE

Sample

Sample ID	20B
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	36.0333
Longitude	-117.808
Location	Inyo County
State / province	California
Volcanic field	Coso

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.16		0.13	0.19

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SC	0.76		PPM	INAA
CO	0.3		PPM	INAA
ZN	45		PPM	INAA
SB	1.1		PPM	INAA
CS	6.2		PPM	INAA
LA	29		PPM	INAA
CE	59		PPM	INAA
ND	25		PPM	INAA
SM	5.9		PPM	INAA
EU	0.08		PPM	INAA
TB	1.24		PPM	INAA
TM	0.7		PPM	INAA
YB	6		PPM	INAA
LU	0.8		PPM	INAA
HF	5.1		PPM	INAA
TA	5.42		PPM	INAA
TH	30.4		PPM	INAA
U	9.8		PPM	INAA

References

Bacon, Charles R; Macdonald, Ray; Smith, Robert L; Baedecker, Philip A (1981) Pleistocene high-silica rhyolites of the Coso volcanic field, Inyo County, California. JGR. Journal of Geophysical Research. B, vol.86, no.11, pp.10223-10241, 10 Nov 1981