Sample 2091

NavDat sample number 12908 · BASALT

Sample

Latitude	45.2179
Longitude	-110.23
Location	Independence stock
State / province	Montana
Volcanic field	HAT low-K high alumina tholeiitic basaltic andesite through shoshonite to high-K dacite late phase

Age (Ma)	Error	Min	Max	Geologic age	Dated by
80		80	86

Item	Value	Unit	Method
SIO2	56.6	WT%	DCP
TIO2	0.99	WT%	DCP
AL2O3	16.7	WT%	DCP
FEOT	7.03	WT%	DCP
MNO	0.11	WT%	DCP
MGO	3.49	WT%	DCP
CAO	5.39	WT%	DCP
NA2O	4.05	WT%	DCP
K2O	3.62	WT%	DCP
P2O5	0.83	WT%	DCP
H2O_PLUS	0.37	WT%	DCP
H2O_MINUS	0.37	WT%	DCP
CO2	0.01	WT%	DCP
TOTAL	99.5	WT%	DCP
NI	32	PPM	DCP
CR	100	PPM	DCP
RB	154	PPM	DCP
SR	696	PPM	DCP
BA	1440	PPM	DCP
PB	14.8	PPM	DCP
U	2.16	PPM	DCP
TH	10.2	PPM	DCP
ZR	148	PPM	DCP
LA	50.2	PPM	DCP
CE	128	PPM	DCP
ND	56.2	PPM	DCP
SM	8.16	PPM	DCP
EU	1.98	PPM	DCP
GD	5.89	PPM	DCP
DY	2.93	PPM	DCP
Y	18.2	PPM	DCP
YB	1.5	PPM	DCP
RB87_SR86	0.621		MS-ID
SR87_SR86	0.7055		TIMS
SM147_ND144	0.088		MS-ID
ND143_ND144	0.51186		TIMS
PB206_PB204	17.145		TIMS
PB207_PB204	15.358		TIMS
PB208_PB204	36.746		TIMS