Sample 87-2

NavDat sample number 21555 · ANDESITE

Sample

Latitude	44.2234
Longitude	-114.28
Location	east of Spar Canyon Road at East Fork of the Salmon River
State / province	Idaho
Volcanic field	Challis Volcanics

Age (Ma)	Error	Min	Max	Geologic age	Dated by
45		40	51

Item	Value	Unit	Method
SIO2	55.07	WT%	XRF
TIO2	0.71	WT%	XRF
AL2O3	12.81	WT%	XRF
FE2O3T	7.92	WT%	XRF
MNO	0.13	WT%	XRF
MGO	7.95	WT%	XRF
CAO	6.73	WT%	XRF
NA2O	2.81	WT%	XRF
K2O	1.42	WT%	XRF
P2O5	0.36	WT%	XRF
LOI	4.32	WT%	XRF
TOTAL	100.23	WT%	XRF
RB	69	PPM	XRF
SR	724	PPM	XRF
BA	1612	PPM	XRF
Y	14	PPM	XRF
ZR	180	PPM	XRF
V	150	PPM	XRF
NI	150	PPM	XRF
CR	440	PPM	XRF
LA	37.7	PPM	MS
CE	73.3	PPM	MS
PR	7.12	PPM	MS
ND	29.1	PPM	MS
SM	5.27	PPM	MS
EU	1.24	PPM	MS
GD	3.9	PPM	MS
HO	0.46	PPM	MS
ER	1.08	PPM	MS
YB	0.97	PPM	MS
U	3.79	PPM	MS
TH	14	PPM	MS
PB	12.7	PPM	MS
NB	12.7	PPM	MS
HF	3.6	PPM	MS
CS	11.3	PPM	MS
W	2.2	PPM	MS
MO	2	PPM	MS
PB206_PB204	18.394		TIMS
PB207_PB204	15.598		TIMS
PB208_PB204	38.912		TIMS