Sample 99901

NavDat sample number 50092 · DACITE

Sample

Latitude	37.8333
Longitude	-106.333
State / province	Colorado
Volcanic field	Eastern San Juan Volcanic Field

Age (Ma)	Error	Min	Max	Geologic age	Dated by
32.5		30	35

Item	Value	Unit	Method
SIO2	67.96	WT%	XRF
TIO2	0.51	WT%	XRF
AL2O3	15.91	WT%	XRF
FEO	2.52	WT%	XRF
MNO	0.08	WT%	XRF
MGO	5.04	WT%	XRF
CAO	2.64	WT%	XRF
NA2O	1.49	WT%	XRF
K2O	3.76	WT%	XRF
P2O5	0.1	WT%	XRF
RB	105	PPM	INAA
SR	307	PPM	INAA
ZR	453	PPM	INAA
Y	41	PPM	INAA
BA	1035	PPM	INAA
NI	0	PPM	INAA
NB	30	PPM	INAA
TH	12.8	PPM	INAA
LA	74.3	PPM	INAA
CE	146	PPM	INAA
ND	65.4	PPM	INAA
SM	11.58	PPM	INAA
EU	2.25	PPM	INAA
TB	1.45	PPM	INAA
YB	4.67	PPM	INAA
LU	0.643	PPM	INAA
TOTAL	102.9	WT%	XRF