Sample 95ID-3B

NavDat sample number 38689 · BASALTIC-ANDESITE

Sample

Sample ID	95ID-3B
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	fine grained, porphyritic with phenos of plag and pyrox; same locality as 95ID-3A but fresher

Latitude	44.3483
Longitude	-114.265
Location	Highway 75
State / province	Idaho
Volcanic field	Tvs of main effusive phase, Challis Volcanic Group

Age (Ma)	Error	Min	Max	Geologic age	Dated by
49		48	50

Item	Value	Unit	Method
SIO2	60.09	WT%	XRF
TIO2	1.2	WT%	XRF
AL2O3	16.74	WT%	XRF
FEOT	5.63	WT%	XRF
MNO	0.1	WT%	XRF
MGO	2.37	WT%	XRF
CAO	7.9	WT%	XRF
NA2O	3.2	WT%	XRF
K2O	2.38	WT%	XRF
P2O5	0.41	WT%	XRF
LOI	5.19	WT%	XRF
TOTAL	100	WT%	XRF
NI	82	PPM	XRF
CR	274	PPM	XRF
SC	17	PPM	XRF
V	129	PPM	XRF
GA	22	PPM	XRF
CU	15	PPM	XRF
ZN	94	PPM	XRF
BA	1220	PPM	ICPMS
RB	50.8	PPM	ICPMS
SR	759	PPM	ICPMS
U	1.75	PPM	ICPMS
PB	14.27	PPM	ICPMS
CS	1.36	PPM	ICPMS
TH	9.1	PPM	ICPMS
ZR	260	PPM	XRF
Y	21.54	PPM	ICPMS
NB	22.1	PPM	XRF
HF	7.2	PPM	ICPMS
TA	1.03	PPM	ICPMS
LA	62.32	PPM	ICPMS
CE	108.61	PPM	ICPMS
PR	11.71	PPM	ICPMS
ND	44.24	PPM	ICPMS
SM	8.52	PPM	ICPMS
EU	2.29	PPM	ICPMS
GD	6.28	PPM	ICPMS
TB	0.88	PPM	ICPMS
DY	4.57	PPM	ICPMS
HO	0.82	PPM	ICPMS
ER	2.02	PPM	ICPMS
TM	0.28	PPM	ICPMS
YB	1.72	PPM	ICPMS
LU	0.26	PPM	ICPMS
SR87_SR86	0.70814		TIMS