Sample 2154

NavDat sample number 12903 · 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	54.5	WT%	DCP
TIO2	0.85	WT%	DCP
AL2O3	17.4	WT%	DCP
FEOT	7.72	WT%	DCP
MNO	0.16	WT%	DCP
MGO	4.54	WT%	DCP
CAO	6.88	WT%	DCP
NA2O	3.84	WT%	DCP
K2O	2.75	WT%	DCP
P2O5	0.62	WT%	DCP
H2O_PLUS	0.42	WT%	DCP
H2O_MINUS	0.32	WT%	DCP
CO2	0.01	WT%	DCP
TOTAL	100.5	WT%	DCP
NI	64	PPM	DCP
CR	127	PPM	DCP
RB	54	PPM	DCP
SR	1090	PPM	DCP
BA	1940	PPM	DCP
PB	16.1	PPM	DCP
U	1.57	PPM	DCP
TH	5.9	PPM	DCP
ZR	131	PPM	DCP
LA	59.1	PPM	DCP
CE	121	PPM	DCP
ND	55.6	PPM	DCP
SM	8.32	PPM	DCP
EU	2.32	PPM	DCP
GD	6.57	PPM	DCP
DY	3.64	PPM	DCP
Y	20.4	PPM	DCP
YB	1.6	PPM	DCP
RB87_SR86	0.137		MS-ID
SR87_SR86	0.7049		TIMS
SM147_ND144	0.09		MS-ID
ND143_ND144	0.51182		TIMS
PB206_PB204	17.105		TIMS
PB207_PB204	15.347		TIMS
PB208_PB204	36.781		TIMS