Sample DM108

NavDat sample number 38193 · RHYOLITE

Sample

Latitude	30.7817
Longitude	-103.748
Location	upper Star Mountain Formation, roadcut on rte 17
State / province	Texas

Age (Ma)	Error	Min	Max	Geologic age	Dated by
36.8		26	38

Item	Value	Unit	Method
SIO2	68.33	WT%	UNKNOWN
TIO2	0.43	WT%	UNKNOWN
AL2O3	14.13	WT%	UNKNOWN
FE2O3	0.9	WT%	UNKNOWN
FEO	3.72	WT%	UNKNOWN
MNO	0.1	WT%	UNKNOWN
MGO	0.2	WT%	UNKNOWN
CAO	0.62	WT%	UNKNOWN
NA2O	4.21	WT%	UNKNOWN
K2O	5.5	WT%	UNKNOWN
P2O5	0.06	WT%	UNKNOWN
TOTAL	98.2	WT%	UNKNOWN
SC	15.6	PPM	UNKNOWN
RB	106	PPM	UNKNOWN
SR	38	PPM	UNKNOWN
Y	75	PPM	UNKNOWN
ZR	482	PPM	UNKNOWN
NB	33	PPM	UNKNOWN
CS	0.87	PPM	UNKNOWN
BA	118	PPM	UNKNOWN
LA	61	PPM	UNKNOWN
CE	139	PPM	UNKNOWN
ND	53.6	PPM	UNKNOWN
SM	11.29	PPM	UNKNOWN
EU	1.27	PPM	UNKNOWN
TB	1.6	PPM	UNKNOWN
YB	6.42	PPM	UNKNOWN
LU	0.86	PPM	UNKNOWN
HF	15.78	PPM	UNKNOWN
TA	2.87	PPM	UNKNOWN
TH	8.67	PPM	UNKNOWN
U	1.5	PPM	UNKNOWN