Sample PP365

NavDat sample number 37314 · 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	48.41	WT%	XRF
AL2O3	16.61	WT%	XRF
FEO	11.21	WT%	XRF
MNO	0.15	WT%	XRF
MGO	3.1	WT%	XRF
CAO	6.26	WT%	XRF
NA2O	4.38	WT%	XRF
K2O	2.26	WT%	XRF
P2O5	1.88	WT%	XRF
LOI	2.58	WT%	XRF
TOTAL	98.22	WT%	XRF
BA	1181	PPM	XRF
ZR	541	PPM	XRF
NB	31	PPM	XRF
Y	36	PPM	XRF
ND	64.5	PPM	ICPMS
SM	13.3	PPM	ICPMS
PB	6.8	PPM	ICPMS
TH	3.3	PPM	ICPMS
U	0.75	PPM	ICPMS
SR	1092	PPM	XRF
RB	35	PPM	XRF
SR87_SR86	0.70376		TIMS
ND143_ND144	0.512674		TIMS
PB206_PB204	18.047		TIMS
PB207_PB204	15.513		TIMS
PB208_PB204	37.554		TIMS