Sample 87-1

NavDat sample number 21554 · 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	56.33	WT%	XRF
TIO2	0.78	WT%	XRF
AL2O3	13.64	WT%	XRF
FE2O3T	7.55	WT%	XRF
MNO	0.12	WT%	XRF
MGO	5.61	WT%	XRF
CAO	6.93	WT%	XRF
NA2O	2.63	WT%	XRF
K2O	3.55	WT%	XRF
P2O5	0.38	WT%	XRF
LOI	3.09	WT%	XRF
TOTAL	100.61	WT%	XRF
RB	116	PPM	XRF
SR	655	PPM	XRF
BA	1540	PPM	XRF
Y	20	PPM	XRF
ZR	196	PPM	XRF
V	139	PPM	XRF
NI	69	PPM	XRF
CR	262	PPM	XRF
LA	44.5	PPM	MS
CE	89.7	PPM	MS
PR	9.36	PPM	MS
ND	37.7	PPM	MS
SM	6.75	PPM	MS
EU	1.62	PPM	MS
GD	5.48	PPM	MS
HO	0.8	PPM	MS
ER	1.92	PPM	MS
YB	1.7	PPM	MS
U	3.8	PPM	MS
TH	14.7	PPM	MS
PB	13.4	PPM	MS
NB	15.2	PPM	MS
HF	5.4	PPM	MS
CS	2.3	PPM	MS
W	2.5	PPM	MS
MO	2.2	PPM	MS
PB206_PB204	18.395		TIMS
PB207_PB204	15.582		TIMS
PB208_PB204	38.815		TIMS