Sample 88526

NavDat sample number 37329 · 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
36.8		33.12	40.48

Item	Value	Unit	Method
SIO2	70.95	WT%	XRF
AL2O3	13.49	WT%	XRF
FEO	4.67	WT%	XRF
MNO	0.13	WT%	XRF
MGO	0.11	WT%	XRF
CAO	0.35	WT%	XRF
NA2O	3.71	WT%	XRF
K2O	5.88	WT%	XRF
P2O5	0.07	WT%	XRF
TOTAL	97.82	WT%	XRF
BA	393	PPM	XRF
ZR	889	PPM	XRF
NB	74	PPM	XRF
Y	84	PPM	XRF
ND	88.6	PPM	ICPMS
SM	18.3	PPM	ICPMS
PB	22.5	PPM	ICPMS
TH	16.4	PPM	ICPMS
U	4.39	PPM	ICPMS
RB	162	PPM	XRF
SR	33.8	PPM	MS-ID
ND143_ND144	0.512594		TIMS
PB206_PB204	17.941		TIMS
PB207_PB204	15.475		TIMS
PB208_PB204	37.891		TIMS