Sample 2157

NavDat sample number 12905 · SHOSHONITE

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	55.5	WT%	DCP
TIO2	0.85	WT%	DCP
AL2O3	17.2	WT%	DCP
FEOT	7.48	WT%	DCP
MNO	0.08	WT%	DCP
MGO	3.76	WT%	DCP
CAO	8.39	WT%	DCP
NA2O	3.9	WT%	DCP
K2O	3.01	WT%	DCP
P2O5	0.68	WT%	DCP
H2O_PLUS	0.39	WT%	DCP
H2O_MINUS	0.41	WT%	DCP
CO2	0.01	WT%	DCP
TOTAL	100.2	WT%	DCP
NI	52	PPM	DCP
CR	118	PPM	DCP
RB	68	PPM	DCP
SR	1110	PPM	DCP
BA	1980	PPM	DCP
PB	16.3	PPM	DCP
U	118	PPM	DCP
TH	5.8	PPM	DCP
ZR	144	PPM	DCP
LA	59.2	PPM	DCP
CE	122	PPM	DCP
ND	55.9	PPM	DCP
SM	8.31	PPM	DCP
EU	2.31	PPM	DCP
GD	6.51	PPM	DCP
DY	3.54	PPM	DCP
Y	19.8	PPM	DCP
YB	1.58	PPM	DCP