Sample PP391

NavDat sample number 37315 · 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	48.91	WT%	XRF
AL2O3	16.45	WT%	XRF
FEO	10.2	WT%	XRF
MNO	0.23	WT%	XRF
MGO	3.55	WT%	XRF
CAO	6.05	WT%	XRF
NA2O	4.69	WT%	XRF
K2O	2.63	WT%	XRF
P2O5	2.06	WT%	XRF
LOI	2.42	WT%	XRF
TOTAL	99.07	WT%	XRF
BA	1557	PPM	XRF
ZR	332	PPM	XRF
NB	38	PPM	XRF
Y	43	PPM	XRF
ND	84.9	PPM	ICPMS
SM	17.3	PPM	ICPMS
PB	5.5	PPM	ICPMS
TH	4	PPM	ICPMS
U	1.14	PPM	ICPMS
SR	1127	PPM	XRF
RB	37	PPM	XRF
SR87_SR86	0.70399		TIMS
ND143_ND144	0.512702		TIMS
PB206_PB204	18.244		TIMS
PB207_PB204	15.512		TIMS
PB208_PB204	37.639		TIMS