Sample s_98-17

NavDat sample number 43388 · ANDESITE

Sample

Sample ID	s_98-17
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	60.7	WT%	XRF
TIO2	0.88	WT%	XRF
AL2O3	17.5	WT%	XRF
FE2O3T	5.74	WT%	XRF
CAO	6.15	WT%	XRF
MGO	3.31	WT%	XRF
MNO	0.11	WT%	XRF
K2O	1.52	WT%	XRF
NA2O	3.65	WT%	XRF
P2O5	0.22	WT%	XRF
LA	18.4	PPM	LA-ICPMS
CE	40.6	PPM	LA-ICPMS
PR	4.74	PPM	LA-ICPMS
ND	21.1	PPM	LA-ICPMS
SM	3.97	PPM	LA-ICPMS
EU	1.25	PPM	LA-ICPMS
GD	3.33	PPM	LA-ICPMS
TB	0.52	PPM	LA-ICPMS
DY	2.76	PPM	LA-ICPMS
HO	0.49	PPM	LA-ICPMS
ER	1.54	PPM	LA-ICPMS
YB	1.52	PPM	LA-ICPMS
LU	0.22	PPM	LA-ICPMS
CR	32	PPM	XRF
NI	0	PPM	XRF
CU	20	PPM	XRF
ZN	74	PPM	XRF
RB	34	PPM	XRF
SR	622	PPM	XRF
Y	18	PPM	XRF
ZR	151	PPM	XRF
NB	0	PPM	XRF
BA	415	PPM	XRF