Sample 787-18J

NavDat sample number 13809

Sample

Latitude	46.6767
Longitude	-114.572
State / province	Montana
Volcanic field	Challis epizonal plutonics and volcanics

Age (Ma)	Error	Min	Max	Geologic age	Dated by
48.1		47.4	48.8

Item	Value	Unit	Method
RB	184.4	PPM	XRF
SR	55.9	PPM	XRF
SR87_SR86	0.71361		TIMS
D18O	7.2	PERMILL	MS
DELTA_D	-126		MS
SIO2	75.2	WT%	RAPID_ROCK
AL2O3	12.7	WT%	RAPID_ROCK
FE2O3	0.76	WT%	RAPID_ROCK
FEO	0.72	WT%	RAPID_ROCK
MGO	0.17	WT%	RAPID_ROCK
CAO	1.1	WT%	RAPID_ROCK
NA2O	4	WT%	RAPID_ROCK
K2O	4.8	WT%	RAPID_ROCK
H2O_PLUS	0.41	WT%	RAPID_ROCK
H2O_MINUS	0.1	WT%	RAPID_ROCK
TIO2	0.18	WT%	RAPID_ROCK
P2O5	0.06	WT%	RAPID_ROCK
MNO	0.04	WT%	RAPID_ROCK
CO2	0.01	WT%	RAPID_ROCK
TOTAL	100	WT%	RAPID_ROCK