Sample 84617

NavDat sample number 37308 · 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
35.6		32.04	39.16

Item	Value	Unit	Method
SIO2	48.2	WT%	XRF
AL2O3	15.76	WT%	XRF
FEO	12.12	WT%	XRF
MNO	0.15	WT%	XRF
MGO	6.45	WT%	XRF
CAO	8.45	WT%	XRF
NA2O	3.76	WT%	XRF
K2O	1.38	WT%	XRF
P2O5	0.89	WT%	XRF
TOTAL	98.97	WT%	XRF
BA	644	PPM	XRF
ZR	197	PPM	XRF
NB	12	PPM	XRF
Y	26	PPM	XRF
ND	37.1	PPM	ICPMS
SM	7.6	PPM	ICPMS
PB	3.8	PPM	ICPMS
TH	2.6	PPM	ICPMS
U	0.59	PPM	ICPMS
SR	1129	PPM	XRF
RB	19	PPM	XRF
SR87_SR86	0.70414		TIMS
ND143_ND144	0.51269		TIMS
PB206_PB204	18.069		TIMS
PB207_PB204	15.478		TIMS
PB208_PB204	37.482		TIMS