Sample 85615

NavDat sample number 37320 · 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	55.2	WT%	XRF
AL2O3	18.3	WT%	XRF
FEO	6.98	WT%	XRF
MNO	0.24	WT%	XRF
MGO	1.29	WT%	XRF
CAO	7.5	WT%	XRF
NA2O	4.52	WT%	XRF
K2O	2.69	WT%	XRF
P2O5	1.17	WT%	XRF
TOTAL	97.83	WT%	XRF
BA	1068	PPM	XRF
ZR	300	PPM	XRF
NB	24	PPM	XRF
Y	40	PPM	XRF
ND	61.8	PPM	ICPMS
SM	12.4	PPM	ICPMS
PB	9.9	PPM	ICPMS
TH	12.8	PPM	ICPMS
U	5.71	PPM	ICPMS
SR	1066	PPM	XRF
RB	61	PPM	XRF
SR87_SR86	70424		TIMS
ND143_ND144	0.51269		TIMS
PB206_PB204	17.786		TIMS
PB207_PB204	15.485		TIMS
PB208_PB204	37.578		TIMS