Sample s_98-29

NavDat sample number 43354 · 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	61.7	WT%	XRF
TIO2	0.96	WT%	XRF
AL2O3	16.4	WT%	XRF
FE2O3T	6.47	WT%	XRF
CAO	5.91	WT%	XRF
MGO	3.58	WT%	XRF
MNO	0.1	WT%	XRF
K2O	1.65	WT%	XRF
NA2O	3.98	WT%	XRF
P2O5	0.26	WT%	XRF
LA	21.4	PPM	LA-ICPMS
CE	46	PPM	LA-ICPMS
PR	6.08	PPM	LA-ICPMS
ND	24.2	PPM	LA-ICPMS
SM	4.77	PPM	LA-ICPMS
EU	1.41	PPM	LA-ICPMS
GD	4.05	PPM	LA-ICPMS
TB	0.61	PPM	LA-ICPMS
DY	3.27	PPM	LA-ICPMS
HO	0.63	PPM	LA-ICPMS
ER	1.66	PPM	LA-ICPMS
YB	1.61	PPM	LA-ICPMS
LU	0.23	PPM	LA-ICPMS
V	127	PPM	LA-ICPMS
CR	82	PPM	LA-ICPMS
NI	21	PPM	XRF
CU	29	PPM	XRF
ZN	74	PPM	XRF
RB	36	PPM	XRF
SR	587	PPM	XRF
Y	17	PPM	XRF
ZR	176	PPM	XRF
NB	12	PPM	LA-ICPMS
BA	435	PPM	XRF
HF	4.79	PPM	LA-ICPMS
TA	0.79	PPM	LA-ICPMS
PB	9.6	PPM	LA-ICPMS
TH	5.9	PPM	LA-ICPMS
U	2.1	PPM	LA-ICPMS