Sample CoV-59b

NavDat sample number 21704 · 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	62.9	WT%	XRF
TIO2	0.89	WT%	XRF
AL2O3	15.79	WT%	XRF
FEO	4.66	WT%	XRF
MNO	0.06	WT%	XRF
MGO	0.84	WT%	XRF
CAO	3.74	WT%	XRF
NA2O	3.83	WT%	XRF
K2O	4.93	WT%	XRF
P2O5	0.29	WT%	XRF
LA	62.9	PPM	INAA
CE	131	PPM	INAA
ND	59.9	PPM	INAA
SM	10.5	PPM	INAA
EU	1.97	PPM	INAA
TB	1.32	PPM	INAA
YB	3.21	PPM	INAA
LU	0.55	PPM	INAA
Y	43	PPM	XRF
ZR	579	PPM	XRF
NB	27	PPM	XRF
HF	11.6	PPM	INAA
TA	1.69	PPM	INAA
TH	20.4	PPM	INAA
V	37	PPM	XRF
CR	18	PPM	INAA
NI	15	PPM	XRF
RB	182	PPM	INAA
SR	464	PPM	INAA
BA	1164	PPM	XRF
PB206_PB204	17.892		MS
PB207_PB204	15.528		MS
PB208_PB204	37.464		MS
SR87_SR86	0.70523		MS
ND143_ND144	0.512264		MS