Sample K-336

NavDat sample number 37305 · 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	83	PPM	ICPMS
SM	16	PPM	ICPMS
PB	9.5	PPM	ICPMS
TH	6.3	PPM	ICPMS
U	1.74	PPM	ICPMS
SIO2	53.77	WT%	XRF
TIO2	2.02	WT%	XRF
AL2O3	17.67	WT%	XRF
FEO	9.67	WT%	XRF
MNO	0.21	WT%	XRF
MGO	0.98	WT%	XRF
CAO	4.46	WT%	XRF
NA2O	5.1	WT%	XRF
K2O	3.66	WT%	XRF
P2O5	1.36	WT%	XRF
LOI	2	WT%	XRF
TOTAL	100.24	WT%	XRF
BA	2061	PPM	XRF
ZR	677	PPM	XRF
NB	60	PPM	XRF
Y	62	PPM	XRF
SR	776	PPM	XRF
RB	50	PPM	XRF
SR87_SR86	0.70401		TIMS
ND143_ND144	0.512564		TIMS
PB206_PB204	17.644		TIMS
PB207_PB204	15.469		TIMS
PB208_PB204	37.412		TIMS