Sample 83408

NavDat sample number 50091 · 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	65.72	WT%	XRF
TIO2	0.65	WT%	XRF
AL2O3	15.56	WT%	XRF
FEO	3.69	WT%	XRF
MNO	0.06	WT%	XRF
MGO	2.87	WT%	XRF
CAO	3.51	WT%	XRF
NA2O	3.67	WT%	XRF
K2O	3.96	WT%	XRF
P2O5	0.32	WT%	XRF
RB	64	PPM	INAA
SR	647	PPM	INAA
ZR	182	PPM	INAA
Y	19	PPM	INAA
BA	1302	PPM	INAA
NI	20	PPM	INAA
NB	7	PPM	INAA
TH	5.4	PPM	INAA
LA	32.1	PPM	INAA
CE	59.2	PPM	INAA
SM	4.85	PPM	INAA
EU	1.18	PPM	INAA
TB	0.42	PPM	INAA
YB	1.12	PPM	INAA
LU	0.18	PPM	INAA
TOTAL	99.7	WT%	XRF