Sample 2021

NavDat sample number 12907 · 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 main phase

Age (Ma)	Error	Min	Max	Geologic age	Dated by
84		83	86

Item	Value	Unit	Method
SIO2	56.5	WT%	DCP
TIO2	0.79	WT%	DCP
AL2O3	16.9	WT%	DCP
FEOT	6.87	WT%	DCP
MNO	0.1	WT%	DCP
MGO	3.87	WT%	DCP
CAO	6.32	WT%	DCP
NA2O	4.13	WT%	DCP
K2O	3.24	WT%	DCP
P2O5	0.39	WT%	DCP
H2O_PLUS	0.41	WT%	DCP
H2O_MINUS	0.31	WT%	DCP
CO2	0.01	WT%	DCP
TOTAL	100.3	WT%	DCP
NI	27	PPM	DCP
CR	62	PPM	DCP
RB	93	PPM	DCP
SR	1090	PPM	DCP
BA	2050	PPM	DCP
PB	15.4	PPM	DCP
U	1.72	PPM	DCP
TH	5.7	PPM	DCP
ZR	110	PPM	DCP
LA	33.5	PPM	DCP
CE	63.1	PPM	DCP
ND	31.3	PPM	DCP
SM	5.69	PPM	DCP
EU	1.45	PPM	DCP
GD	4.96	PPM	DCP
DY	3.21	PPM	DCP
Y	19.6	PPM	DCP
YB	1.71	PPM	DCP