Sample s_98-28

NavDat sample number 43355 · 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	60.3	WT%	XRF
TIO2	0.92	WT%	XRF
AL2O3	16.5	WT%	XRF
FE2O3T	6.59	WT%	XRF
CAO	6.1	WT%	XRF
MGO	3.97	WT%	XRF
MNO	0.1	WT%	XRF
K2O	1.46	WT%	XRF
NA2O	4	WT%	XRF
P2O5	0.26	WT%	XRF
LA	20.8	PPM	LA-ICPMS
CE	45.5	PPM	LA-ICPMS
PR	5.27	PPM	LA-ICPMS
ND	23.5	PPM	LA-ICPMS
SM	4.3	PPM	LA-ICPMS
EU	1.31	PPM	LA-ICPMS
GD	3.51	PPM	LA-ICPMS
TB	0.54	PPM	LA-ICPMS
DY	2.78	PPM	LA-ICPMS
HO	0.47	PPM	LA-ICPMS
ER	1.51	PPM	LA-ICPMS
YB	1.45	PPM	LA-ICPMS
LU	0.22	PPM	LA-ICPMS
NI	23	PPM	XRF
CU	47	PPM	XRF
ZN	76	PPM	XRF
RB	33	PPM	XRF
SR	602	PPM	XRF
Y	17	PPM	XRF
ZR	176	PPM	XRF
BA	430	PPM	XRF