Sample PP312

NavDat sample number 37316 · 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	62.45	WT%	XRF
AL2O3	15.58	WT%	XRF
FEO	6.3	WT%	XRF
MNO	0.12	WT%	XRF
MGO	1.01	WT%	XRF
CAO	2.25	WT%	XRF
NA2O	5.03	WT%	XRF
K2O	4.57	WT%	XRF
P2O5	0.59	WT%	XRF
LOI	0.82	WT%	XRF
TOTAL	98.4	WT%	XRF
BA	1184	PPM	XRF
ZR	562	PPM	XRF
NB	69	PPM	XRF
Y	51	PPM	XRF
ND	67.8	PPM	ICPMS
SM	12.8	PPM	ICPMS
PB	9.3	PPM	ICPMS
TH	14.1	PPM	ICPMS
U	3.25	PPM	ICPMS
SR	278	PPM	XRF
RB	96	PPM	XRF
SR87_SR86	0.70469		TIMS
ND143_ND144	0.512559		TIMS
PB206_PB204	18.262		TIMS
PB207_PB204	15.532		TIMS
PB208_PB204	38.367		TIMS