Sample 1054

NavDat sample number 12911 · DACITE

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
92		90	94

Item	Value	Unit	Method
SIO2	66.7	WT%	DCP
TIO2	1.08	WT%	DCP
AL2O3	12.2	WT%	DCP
FEOT	4.11	WT%	DCP
MNO	0.06	WT%	DCP
MGO	2.94	WT%	DCP
CAO	3.99	WT%	DCP
NA2O	2.99	WT%	DCP
K2O	4.82	WT%	DCP
P2O5	0.66	WT%	DCP
H2O_PLUS	0.71	WT%	DCP
H2O_MINUS	0.3	WT%	DCP
CO2	0.01	WT%	DCP
TOTAL	100.9	WT%	DCP
NI	17.6	PPM	DCP
CR	25.1	PPM	DCP
RB	152	PPM	DCP
CS	3.11	PPM	DCP
SR	427	PPM	DCP
BA	1270	PPM	DCP
PB	12.2	PPM	DCP
U	5	PPM	DCP
TH	19.7	PPM	DCP
ZR	166	PPM	DCP
HF	4.76	PPM	DCP
TA	1.35	PPM	DCP
LA	35.2	PPM	DCP
CE	64.7	PPM	DCP
ND	22.3	PPM	DCP
SM	3.48	PPM	DCP
EU	0.68	PPM	DCP
GD	3.04	PPM	DCP
DY	2.06	PPM	DCP
Y	11.8	PPM	DCP
YB	1.11	PPM	DCP
RB87_SR86	0.96		MS-ID
SR87_SR86	0.70576		TIMS
SM147_ND144	0.094		MS-ID
ND143_ND144	0.51193		TIMS
PB206_PB204	16.323		TIMS
PB207_PB204	15.245		TIMS
PB208_PB204	36.505		TIMS
RB	147	PPM	MS-ID
SR	444	PPM	MS-ID