Sample K-332

NavDat sample number 37304 · RHYOLITE

Sample

Latitude	30.2129
Longitude	-103.651
Location	Davis Mountain volcanic field
State / province	Texas

Age (Ma)	Error	Min	Max	Geologic age	Dated by
37		33.3	40.7

Item	Value	Unit	Method
ND	94.5	PPM	ICPMS
SM	19.5	PPM	ICPMS
PB	6.8	PPM	ICPMS
TH	4.9	PPM	ICPMS
U	0.97	PPM	ICPMS
SIO2	48.29	WT%	XRF
TIO2	2.87	WT%	XRF
AL2O3	16.01	WT%	XRF
FEO	11.92	WT%	XRF
MNO	0.57	WT%	XRF
MGO	2.08	WT%	XRF
CAO	7.45	WT%	XRF
NA2O	4.49	WT%	XRF
K2O	2.5	WT%	XRF
P2O5	2.44	WT%	XRF
LOI	3.39	WT%	XRF
TOTAL	100.05	WT%	XRF
BA	1551	PPM	XRF
ZR	462	PPM	XRF
NB	46	PPM	XRF
Y	59	PPM	XRF
SR	897	PPM	XRF
RB	32	PPM	XRF
SR87_SR86	0.70366		TIMS
ND143_ND144	0.512569		TIMS
PB206_PB204	17.744		TIMS
PB207_PB204	15.487		TIMS
PB208_PB204	37.487		TIMS