Sample Bt-Bearing Rhyolite Lava

NavDat sample number 17040 · RHYOLITE

Sample

Sample ID	Bt-Bearing Rhyolite Lava
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS
Comment	Averages determined by analysis of pumice, vitrophyres, and devitrified interiors of ash flow tuffs and lava flows; additional data from Quinlivan and Byers 1977, Lipman et al. 1966, Spengler et al. 1981, Zielinski 1983, Scott and Castellanos 1984, and Broxton et al. 1986

Latitude	37.2
Longitude	-116.5
Location	N side of TM-OV
State / province	Nevada
Volcanic field	Timber Mountain- Oasis Valley Caldera Complex

Age (Ma)	Error	Min	Max	Geologic age	Dated by
12.25		11.6	12.9

Item	Value	Unit	Method
SIO2	74.9	WT%	XRF
TIO2	0.2	WT%	XRF
AL2O3	13.7	WT%	XRF
FEOT	1.27	WT%	XRF
MNO	0.07	WT%	XRF
MGO	0.22	WT%	XRF
CAO	0.68	WT%	XRF
NA2O	3.7	WT%	XRF
K2O	5.23	WT%	XRF
P2O5	0.01	WT%	XRF
SC	2.7	PPM	INAA
V	9	PPM	INAA
CO	0.69	PPM	INAA
RB	177	PPM	INAA
SR	63	PPM	INAA
ZR	179	PPM	INAA
SB	0.46	PPM	INAA
CS	4.5	PPM	INAA
BA	346	PPM	INAA
HF	6.5	PPM	INAA
TA	1.4	PPM	INAA
TH	22.3	PPM	INAA
U	4.6	PPM	INAA
LA	58	PPM	INAA
CE	119	PPM	INAA
ND	44	PPM	INAA
SM	8	PPM	INAA
EU	1	PPM	INAA
TB	0.82	PPM	INAA
DY	5.7	PPM	INAA
YB	3.4	PPM	INAA
LU	0.52	PPM	INAA