Sample 87-5

NavDat sample number 21557 · ANDESITE

Sample

Latitude	44.2844
Longitude	-114.299
Location	roadcut east of highway ID 75, south of Bayhorse Recreation area
State / province	Idaho
Volcanic field	Challis Volcanics

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

Item	Value	Unit	Method
SIO2	52.33	WT%	XRF
TIO2	1.1	WT%	XRF
AL2O3	15.45	WT%	XRF
FE2O3T	7.29	WT%	XRF
MNO	0.12	WT%	XRF
MGO	2.96	WT%	XRF
CAO	9.98	WT%	XRF
NA2O	2.38	WT%	XRF
K2O	1.89	WT%	XRF
P2O5	0.39	WT%	XRF
LOI	6.44	WT%	XRF
TOTAL	100.33	WT%	XRF
RB	25	PPM	XRF
SR	714	PPM	XRF
BA	1023	PPM	XRF
Y	13	PPM	XRF
ZR	273	PPM	XRF
V	116	PPM	XRF
NI	94	PPM	XRF
CR	315	PPM	XRF
LA	63.6	PPM	MS
CE	121.2	PPM	MS
PR	12.9	PPM	MS
ND	50.5	PPM	MS
SM	8.17	PPM	MS
EU	1.97	PPM	MS
GD	5.57	PPM	MS
HO	0.74	PPM	MS
ER	1.9	PPM	MS
YB	1.54	PPM	MS
U	1.59	PPM	MS
TH	11.5	PPM	MS
PB	15.2	PPM	MS
NB	20.3	PPM	MS
HF	7.3	PPM	MS
CS	0.9	PPM	MS
W	1.8	PPM	MS
MO	1.6	PPM	MS
PB206_PB204	17.946		TIMS
PB207_PB204	15.513		TIMS
PB208_PB204	38.544		TIMS