Sample 1018

NavDat sample number 12919 · ANDESITE

Sample

Latitude	45.2179
Longitude	-110.23
Location	Independence volcanic suite
State / province	Montana
Volcanic field	HAB high-magnesium andesite to banakite early phase

Age (Ma)	Error	Min	Max	Geologic age	Dated by
92		90	94

Item	Value	Unit	Method
SIO2	60.6	WT%	DCP
TIO2	0.61	WT%	DCP
AL2O3	15.6	WT%	DCP
FEOT	5.26	WT%	DCP
MNO	0.08	WT%	DCP
MGO	4.38	WT%	DCP
CAO	4.9	WT%	DCP
NA2O	4.22	WT%	DCP
K2O	2.77	WT%	DCP
P2O5	0.49	WT%	DCP
H2O_PLUS	0.45	WT%	DCP
H2O_MINUS	0.4	WT%	DCP
CO2	0.01	WT%	DCP
TOTAL	100.3	WT%	DCP
NI	56	PPM	DCP
CR	203	PPM	DCP
RB	64	PPM	DCP
SR	1050	PPM	DCP
BA	2340	PPM	DCP
PB	12.8	PPM	DCP
U	1.7	PPM	DCP
TH	3.68	PPM	DCP
ZR	112	PPM	DCP
LA	31.1	PPM	DCP
CE	60.3	PPM	DCP
ND	23.7	PPM	DCP
SM	4.53	PPM	DCP
EU	1.2	PPM	DCP
GD	4.46	PPM	DCP
DY	2.36	PPM	DCP
Y	13.6	PPM	DCP
YB	1.24	PPM	DCP
RB87_SR86	0.145		MS-ID
SR87_SR86	0.70533		TIMS
SM147_ND144	0.116		MS-ID
ND143_ND144	0.51155		TIMS
PB206_PB204	16.492		TIMS
PB207_PB204	15.339		TIMS
PB208_PB204	36.669		TIMS