Sample s_98-31

NavDat sample number 43352 · 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	60.8	WT%	XRF
TIO2	0.97	WT%	XRF
AL2O3	16.7	WT%	XRF
FE2O3T	6.78	WT%	XRF
CAO	6.04	WT%	XRF
MGO	3.93	WT%	XRF
MNO	0.11	WT%	XRF
K2O	1.5	WT%	XRF
NA2O	3.89	WT%	XRF
P2O5	0.25	WT%	XRF
LA	17.7	PPM	LA-ICPMS
CE	39.2	PPM	LA-ICPMS
PR	4.99	PPM	LA-ICPMS
ND	20	PPM	LA-ICPMS
SM	4.24	PPM	LA-ICPMS
EU	1.36	PPM	LA-ICPMS
GD	3.44	PPM	LA-ICPMS
TB	0.52	PPM	LA-ICPMS
DY	2.95	PPM	LA-ICPMS
HO	0.53	PPM	LA-ICPMS
ER	1.49	PPM	LA-ICPMS
YB	1.48	PPM	LA-ICPMS
LU	0.2	PPM	LA-ICPMS
V	132	PPM	LA-ICPMS
CR	86	PPM	LA-ICPMS
NI	23	PPM	XRF
CU	28	PPM	XRF
ZN	77	PPM	XRF
RB	27	PPM	XRF
SR	558	PPM	XRF
Y	16	PPM	XRF
ZR	177	PPM	XRF
NB	11	PPM	LA-ICPMS
BA	412	PPM	XRF
HF	4.37	PPM	LA-ICPMS
TA	0.72	PPM	LA-ICPMS
PB	8.8	PPM	LA-ICPMS
TH	5.3	PPM	LA-ICPMS
U	1.8	PPM	LA-ICPMS