Sample 21

NavDat sample number 29577 · RHYOLITE

Sample

Latitude	40.5947
Longitude	-118.774
Location	Cow Creek
State / province	Nevada
Volcanic field	Northwest Nevada
Location comment	near head of Cow Creek, north end of Seven Troughs Range, Pershing County

Age (Ma)	Error	Min	Max	Geologic age	Dated by
33.4		1.8	65	Tertiary

Item	Value	Unit	Method
SIO2	76.16	WT%	UNKNOWN
AL2O3	12.86	WT%	UNKNOWN
FE2O3	0.3	WT%	UNKNOWN
FEO	0.77	WT%	UNKNOWN
MGO	0.08	WT%	UNKNOWN
CAO	0.67	WT%	UNKNOWN
NA2O	3.68	WT%	UNKNOWN
K2O	4.85	WT%	UNKNOWN
H2O_PLUS	0.16	WT%	UNKNOWN
TIO2	0.11	WT%	UNKNOWN
P2O5	0.02	WT%	UNKNOWN
MNO	0.05	WT%	UNKNOWN
CL	0.05	WT%	UNKNOWN
F	0.05	WT%	UNKNOWN
BA	434	PPM	UNKNOWN
BE	3.1	PPM	UNKNOWN
CO	0.3	PPM	UNKNOWN
CR	5	PPM	UNKNOWN
CS	8.5	PPM	UNKNOWN
HF	3.5	PPM	UNKNOWN
LI	56	PPM	UNKNOWN
MO	3	PPM	UNKNOWN
NB	14	PPM	UNKNOWN
NB	16	PPM	UNKNOWN
PB	25	PPM	UNKNOWN
RB	176	PPM	UNKNOWN
RB	202	PPM	UNKNOWN
SB	0.4	PPM	UNKNOWN
SC	2.8	PPM	UNKNOWN
SN	2.8	PPM	UNKNOWN
SR	54	PPM	UNKNOWN
TA	1.29	PPM	UNKNOWN
TH	19.1	PPM	UNKNOWN
U	7.9	PPM	UNKNOWN
W	1.8	PPM	UNKNOWN
Y	34	PPM	UNKNOWN
ZN	32	PPM	UNKNOWN
ZR	94	PPM	UNKNOWN
LA	31	PPM	UNKNOWN
CE	59	PPM	UNKNOWN
ND	24	PPM	UNKNOWN
SM	4.7	PPM	UNKNOWN
EU	0.28	PPM	UNKNOWN
GD	3.6	PPM	UNKNOWN
TB	0.59	PPM	UNKNOWN
TM	0.29	PPM	UNKNOWN
YB	2.6	PPM	UNKNOWN
LU	0.37	PPM	UNKNOWN