Sample 31

NavDat sample number 29579 · RHYOLITE

Sample

Latitude	40.2883
Longitude	-118.559
Location	Trinity Range
State / province	Nevada
Volcanic field	Northwest Nevada
Location comment	U.S. Gypsum perlite mine, Trinity Range, 8 miles northwest of Lovelock, Pershing County

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

Item	Value	Unit	Method
SIO2	74.73	WT%	UNKNOWN
AL2O3	13.59	WT%	UNKNOWN
FE2O3	0.42	WT%	UNKNOWN
FEO	1.01	WT%	UNKNOWN
MGO	0.04	WT%	UNKNOWN
CAO	0.76	WT%	UNKNOWN
NA2O	4.05	WT%	UNKNOWN
K2O	4.68	WT%	UNKNOWN
H2O_PLUS	0.31	WT%	UNKNOWN
TIO2	0.03	WT%	UNKNOWN
CL	0.08	WT%	UNKNOWN
F	0.05	WT%	UNKNOWN
BA	801	PPM	UNKNOWN
BE	3.1	PPM	UNKNOWN
CO	0.1	PPM	UNKNOWN
CR	10.7	PPM	UNKNOWN
CS	7.1	PPM	UNKNOWN
HF	3.2	PPM	UNKNOWN
LI	38	PPM	UNKNOWN
MO	2.3	PPM	UNKNOWN
NB	12	PPM	UNKNOWN
NB	15	PPM	UNKNOWN
PB	24	PPM	UNKNOWN
RB	172	PPM	UNKNOWN
RB	182	PPM	UNKNOWN
SB	0.6	PPM	UNKNOWN
SC	1.3	PPM	UNKNOWN
SN	2.7	PPM	UNKNOWN
SR	97	PPM	UNKNOWN
TA	1.19	PPM	UNKNOWN
TH	13.7	PPM	UNKNOWN
U	5.1	PPM	UNKNOWN
W	1.5	PPM	UNKNOWN
Y	8	PPM	UNKNOWN
ZN	66	PPM	UNKNOWN
ZR	72	PPM	UNKNOWN
LA	24	PPM	UNKNOWN
CE	46	PPM	UNKNOWN
ND	19	PPM	UNKNOWN
SM	4.3	PPM	UNKNOWN
EU	0.42	PPM	UNKNOWN
GD	2.4	PPM	UNKNOWN
TB	0.31	PPM	UNKNOWN
TM	0.36	PPM	UNKNOWN
YB	0.2	PPM	UNKNOWN
LU	0.08	PPM	UNKNOWN