Sample 87110

NavDat sample number 37330 · 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	69.32	WT%	XRF
AL2O3	14.8	WT%	XRF
FEO	3.06	WT%	XRF
MNO	0.07	WT%	XRF
MGO	0.03	WT%	XRF
CAO	0.34	WT%	XRF
NA2O	5.65	WT%	XRF
K2O	6.04	WT%	XRF
P2O5	0.14	WT%	XRF
TOTAL	99.97	WT%	XRF
ZR	525	PPM	XRF
NB	51	PPM	XRF
Y	55	PPM	XRF
ND	55.2	PPM	ICPMS
SM	11.4	PPM	ICPMS
PB	14.5	PPM	ICPMS
TH	10.6	PPM	ICPMS
U	1.78	PPM	ICPMS
SR	12	PPM	XRF
RB	105	PPM	XRF
ND143_ND144	0.512539		TIMS
PB206_PB204	18.051		TIMS
PB207_PB204	15.494		TIMS
PB208_PB204	37.946		TIMS