Sample 85601

NavDat sample number 37326 · 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	69.68	WT%	XRF
AL2O3	13.67	WT%	XRF
FEO	4.73	WT%	XRF
MNO	0.23	WT%	XRF
MGO	0.11	WT%	XRF
CAO	1	WT%	XRF
NA2O	4.75	WT%	XRF
K2O	5.27	WT%	XRF
P2O5	0.06	WT%	XRF
TOTAL	98.73	WT%	XRF
BA	27	PPM	XRF
ZR	567	PPM	XRF
NB	53	PPM	XRF
Y	57	PPM	XRF
ND	74.1	PPM	ICPMS
SM	15.1	PPM	ICPMS
PB	16.3	PPM	ICPMS
TH	12	PPM	ICPMS
U	2.7	PPM	ICPMS
RB	164	PPM	XRF
SR	12.5	PPM	MS-ID
ND143_ND144	0.512565		TIMS
PB206_PB204	17.881		TIMS
PB207_PB204	15.471		TIMS
PB208_PB204	37.909		TIMS