Sample s_97-6

NavDat sample number 43385 · ANDESITE

Sample

Sample ID	s_97-6
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	57.3	WT%	XRF
TIO2	0.92	WT%	XRF
AL2O3	17.9	WT%	XRF
FE2O3T	6.73	WT%	XRF
CAO	6.63	WT%	XRF
MGO	4.25	WT%	XRF
MNO	0.11	WT%	XRF
K2O	1.28	WT%	XRF
NA2O	4	WT%	XRF
P2O5	0.17	WT%	XRF
LA	13.2	PPM	LA-ICPMS
CE	31.5	PPM	LA-ICPMS
PR	3.73	PPM	LA-ICPMS
ND	15.8	PPM	LA-ICPMS
SM	3.25	PPM	LA-ICPMS
EU	1.14	PPM	LA-ICPMS
GD	2.87	PPM	LA-ICPMS
TB	0.45	PPM	LA-ICPMS
DY	2.37	PPM	LA-ICPMS
HO	0.43	PPM	LA-ICPMS
ER	1.32	PPM	LA-ICPMS
YB	1.32	PPM	LA-ICPMS
LU	0.21	PPM	LA-ICPMS
CR	101	PPM	XRF
NI	52	PPM	XRF
CU	36	PPM	XRF
ZN	75	PPM	XRF
RB	29	PPM	XRF
SR	597	PPM	XRF
Y	13	PPM	XRF
ZR	128	PPM	XRF
NB	0	PPM	XRF
BA	288	PPM	XRF