Sample CoV-64

NavDat sample number 21705 · TRACHYANDESITE

Sample

Latitude	37.5
Longitude	-106.25
State / province	Colorado
Volcanic field	southeast San Juan volcanic field
Formation	Conejos Formation

Age (Ma)	Error	Min	Max	Geologic age	Dated by
31.25		30.7	31.8

Item	Value	Unit	Method
SIO2	54.8	WT%	XRF
TIO2	1.27	WT%	XRF
AL2O3	15.86	WT%	XRF
FEO	9.16	WT%	XRF
MNO	0.13	WT%	XRF
MGO	3.5	WT%	XRF
CAO	6.27	WT%	XRF
NA2O	3.28	WT%	XRF
K2O	3.2	WT%	XRF
P2O5	0.64	WT%	XRF
LA	67.3	PPM	INAA
CE	142.1	PPM	INAA
ND	65.3	PPM	INAA
SM	11.76	PPM	INAA
EU	2.18	PPM	INAA
TB	1.26	PPM	INAA
YB	3.52	PPM	INAA
LU	0.5	PPM	INAA
Y	37	PPM	XRF
ZR	424	PPM	XRF
NB	20	PPM	XRF
HF	11.08	PPM	INAA
TA	1.19	PPM	INAA
TH	18.22	PPM	INAA
V	193	PPM	XRF
CR	38	PPM	INAA
NI	67	PPM	XRF
RB	132	PPM	INAA
SR	691	PPM	INAA
BA	807	PPM	XRF
PB206_PB204	17.798		MS
PB207_PB204	15.507		MS
PB208_PB204	37.409		MS
SR87_SR86	0.70473		MS
ND143_ND144	0.512305		MS