Sample 787-25A

NavDat sample number 13835

Sample

Latitude	46.125
Longitude	-114.933
State / province	Idaho
Volcanic field	Challis epizonal plutonics and volcanics

Age (Ma)	Error	Min	Max	Geologic age	Dated by
50.2		49.5	50.9

Item	Value	Unit	Method
RB	139	PPM	XRF
SR	90.7	PPM	XRF
SR87_SR86	0.71206		TIMS
D18O	1.2	PERMILL	MS
DELTA_D	-141		MS
SIO2	72.1	WT%	RAPID_ROCK
AL2O3	14.1	WT%	RAPID_ROCK
FE2O3	1.6	WT%	RAPID_ROCK
FEO	0.92	WT%	RAPID_ROCK
MGO	0.11	WT%	RAPID_ROCK
CAO	1.5	WT%	RAPID_ROCK
NA2O	4	WT%	RAPID_ROCK
K2O	5.7	WT%	RAPID_ROCK
H2O_PLUS	0.61	WT%	RAPID_ROCK
H2O_MINUS	0.14	WT%	RAPID_ROCK
TIO2	0.27	WT%	RAPID_ROCK
P2O5	0.12	WT%	RAPID_ROCK
MNO	0.05	WT%	RAPID_ROCK
CO2	0.02	WT%	RAPID_ROCK
TOTAL	101	WT%	RAPID_ROCK