Sample CoV-75

NavDat sample number 21694 · BASALTIC-ANDESITE

Sample

Latitude	37.6
Longitude	-106.35
State / province	Colorado
Volcanic field	southeast San Juan volcanic field
Formation	Conejos Formation

Age (Ma)	Error	Min	Max	Geologic age	Dated by
31.8		31.6	32

Item	Value	Unit	Method
SIO2	61.2	WT%	XRF
TIO2	0.66	WT%	XRF
AL2O3	16.48	WT%	XRF
FEO	5.96	WT%	XRF
MNO	0.08	WT%	XRF
MGO	1.65	WT%	XRF
CAO	4.55	WT%	XRF
NA2O	3.66	WT%	XRF
K2O	2.71	WT%	XRF
P2O5	0.28	WT%	XRF
LA	33.7	PPM	INAA
CE	73.1	PPM	INAA
ND	36.2	PPM	INAA
SM	8.08	PPM	INAA
EU	2.54	PPM	INAA
TB	1.08	PPM	INAA
YB	1.79	PPM	INAA
LU	0.25	PPM	INAA
Y	20	PPM	XRF
ZR	156	PPM	XRF
NB	6	PPM	XRF
HF	4.9	PPM	INAA
TA	3.28	PPM	INAA
TH	3.61	PPM	INAA
V	76	PPM	XRF
CR	12	PPM	INAA
NI	16	PPM	XRF
RB	49	PPM	INAA
SR	664	PPM	INAA
BA	926	PPM	XRF
PB206_PB204	17.57		MS
PB207_PB204	15.483		MS
PB208_PB204	37		MS
SR87_SR86	0.70506		MS