Sample 87705

NavDat sample number 50089 · ANDESITE

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	60.31	WT%	XRF
TIO2	1.02	WT%	XRF
AL2O3	16.49	WT%	XRF
FEO	5.73	WT%	XRF
MNO	0.1	WT%	XRF
MGO	3.35	WT%	XRF
CAO	5.67	WT%	XRF
NA2O	3.47	WT%	XRF
K2O	3.48	WT%	XRF
P2O5	0.39	WT%	XRF
RB	58	PPM	INAA
SR	798	PPM	INAA
ZR	190	PPM	INAA
Y	28	PPM	INAA
BA	1223	PPM	INAA
NI	33	PPM	INAA
NB	8	PPM	INAA
TH	4.2	PPM	INAA
LA	36.4	PPM	INAA
CE	71	PPM	INAA
ND	33	PPM	INAA
SM	6.78	PPM	INAA
EU	1.74	PPM	INAA
TB	0.7	PPM	INAA
YB	2.4	PPM	INAA
LU	0.36	PPM	INAA
ND143_ND144	0.512162		MC-ICP-MS
TOTAL	100.5	WT%	XRF