Sample s_97-9

NavDat sample number 43387 · ANDESITE

Sample

Sample ID	s_97-9
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	60.6	WT%	XRF
TIO2	0.8	WT%	XRF
AL2O3	18.3	WT%	XRF
FE2O3T	5.56	WT%	XRF
CAO	5.48	WT%	XRF
MGO	3.06	WT%	XRF
MNO	0.09	WT%	XRF
K2O	1.51	WT%	XRF
NA2O	4.25	WT%	XRF
P2O5	0.22	WT%	XRF
LA	20.4	PPM	LA-ICPMS
CE	43.4	PPM	LA-ICPMS
PR	5.01	PPM	LA-ICPMS
ND	18.9	PPM	LA-ICPMS
SM	3.78	PPM	LA-ICPMS
EU	1.16	PPM	LA-ICPMS
GD	3.35	PPM	LA-ICPMS
TB	0.48	PPM	LA-ICPMS
DY	2.64	PPM	LA-ICPMS
HO	0.47	PPM	LA-ICPMS
ER	1.63	PPM	LA-ICPMS
YB	1.34	PPM	LA-ICPMS
LU	0.2	PPM	LA-ICPMS
CR	34	PPM	XRF
NI	23	PPM	XRF
CU	22	PPM	XRF
ZN	72	PPM	XRF
RB	27	PPM	XRF
SR	610	PPM	XRF
Y	14	PPM	XRF
ZR	147	PPM	XRF
NB	0	PPM	XRF
BA	504	PPM	XRF