Sample CoV-87a

NavDat sample number 21695 · 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	58.2	WT%	XRF
TIO2	0.75	WT%	XRF
AL2O3	16.11	WT%	XRF
FEO	7.05	WT%	XRF
MNO	0.12	WT%	XRF
MGO	2.3	WT%	XRF
CAO	5.65	WT%	XRF
NA2O	3.3	WT%	XRF
K2O	2.76	WT%	XRF
P2O5	0.29	WT%	XRF
LA	28.4	PPM	INAA
CE	57	PPM	INAA
ND	28.2	PPM	INAA
SM	5.29	PPM	INAA
EU	1.49	PPM	INAA
TB	0.74	PPM	INAA
YB	2.27	PPM	INAA
LU	0.39	PPM	INAA
Y	20	PPM	XRF
ZR	143	PPM	XRF
NB	5	PPM	XRF
HF	4.52	PPM	INAA
TA	0.5	PPM	INAA
TH	3.32	PPM	INAA
V	120	PPM	XRF
CR	12	PPM	INAA
NI	22	PPM	XRF
RB	63	PPM	INAA
SR	675	PPM	INAA
BA	923	PPM	XRF
PB206_PB204	17.703		MS
PB207_PB204	15.503		MS
PB208_PB204	37.18		MS
SR87_SR86	0.70511		MS
ND143_ND144	0.512261		MS