Sample PP273

NavDat sample number 37318 · 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
36.3		32.67	39.93

Item	Value	Unit	Method
SIO2	68.45	WT%	XRF
AL2O3	14.43	WT%	XRF
FEO	4.68	WT%	XRF
MNO	0.08	WT%	XRF
MGO	0.3	WT%	XRF
CAO	0.76	WT%	XRF
NA2O	4.76	WT%	XRF
K2O	4.99	WT%	XRF
P2O5	0.28	WT%	XRF
LOI	0.58	WT%	XRF
TOTAL	99.68	WT%	XRF
ND	80	PPM	ICPMS
SM	14.5	PPM	ICPMS
PB	12.4	PPM	ICPMS
TH	18.5	PPM	ICPMS
U	4.05	PPM	ICPMS
SR	125	PPM	XRF
RB	124	PPM	XRF
SR87_SR86	0.70772		TIMS
ND143_ND144	0.512536		TIMS
PB206_PB204	18.021		TIMS
PB207_PB204	15.509		TIMS
PB208_PB204	38.242		TIMS