Sample s_98-26

NavDat sample number 43357 · ANDESITE

Sample

Latitude	46.87
Longitude	-121.758
Location	Burroughs Mountain Lava Flow
State / province	Washington
Location comment	North Vertical Section

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.496		0.489	0.503

Item	Value	Unit	Method
SIO2	61.5	WT%	XRF
TIO2	0.91	WT%	XRF
AL2O3	16.5	WT%	XRF
FE2O3T	6.27	WT%	XRF
CAO	5.85	WT%	XRF
MGO	3.6	WT%	XRF
MNO	0.1	WT%	XRF
K2O	1.65	WT%	XRF
NA2O	4.04	WT%	XRF
P2O5	0.25	WT%	XRF
LA	20.1	PPM	LA-ICPMS
CE	43.8	PPM	LA-ICPMS
PR	5.77	PPM	LA-ICPMS
ND	23	PPM	LA-ICPMS
SM	4.55	PPM	LA-ICPMS
EU	1.37	PPM	LA-ICPMS
GD	3.85	PPM	LA-ICPMS
TB	0.56	PPM	LA-ICPMS
DY	2.88	PPM	LA-ICPMS
HO	0.54	PPM	LA-ICPMS
ER	1.49	PPM	LA-ICPMS
YB	1.5	PPM	LA-ICPMS
LU	0.21	PPM	LA-ICPMS
V	126	PPM	LA-ICPMS
CR	85	PPM	LA-ICPMS
NI	20	PPM	XRF
CU	40	PPM	XRF
ZN	69	PPM	XRF
RB	38	PPM	XRF
SR	563	PPM	XRF
Y	16	PPM	XRF
ZR	179	PPM	XRF
NB	11	PPM	LA-ICPMS
BA	405	PPM	XRF
HF	4.33	PPM	LA-ICPMS
TA	0.7	PPM	LA-ICPMS
PB	8.7	PPM	LA-ICPMS
TH	5.6	PPM	LA-ICPMS
U	2	PPM	LA-ICPMS