Sample s_98-39

NavDat sample number 43389 · ANDESITE

Sample

Sample ID	s_98-39
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	ANGULAR BLOCK IN A BLOCK-AND-ASH-FLOW CLAST

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	61.6	WT%	XRF
TIO2	0.83	WT%	XRF
AL2O3	17.5	WT%	XRF
FE2O3T	5.78	WT%	XRF
CAO	5.67	WT%	XRF
MGO	3.03	WT%	XRF
MNO	0.09	WT%	XRF
K2O	1.55	WT%	XRF
NA2O	4.2	WT%	XRF
P2O5	0.21	WT%	XRF
LA	19.3	PPM	LA-ICPMS
CE	40.1	PPM	LA-ICPMS
PR	4.35	PPM	LA-ICPMS
ND	18.6	PPM	LA-ICPMS
SM	3.39	PPM	LA-ICPMS
EU	1.17	PPM	LA-ICPMS
GD	2.86	PPM	LA-ICPMS
TB	0.43	PPM	LA-ICPMS
DY	2.34	PPM	LA-ICPMS
HO	0.39	PPM	LA-ICPMS
ER	1.3	PPM	LA-ICPMS
YB	1.31	PPM	LA-ICPMS
LU	0.17	PPM	LA-ICPMS
CR	54	PPM	XRF
NI	21	PPM	XRF
CU	35	PPM	XRF
ZN	67	PPM	XRF
RB	37	PPM	XRF
SR	605	PPM	XRF
Y	14	PPM	XRF
ZR	152	PPM	XRF
NB	0	PPM	XRF
BA	448	PPM	XRF