Sample s_97-10

NavDat sample number 43386 · ANDESITE

Sample

Sample ID	s_97-10
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	58.8	WT%	XRF
TIO2	0.85	WT%	XRF
AL2O3	17.6	WT%	XRF
FE2O3T	5.8	WT%	XRF
CAO	5.79	WT%	XRF
MGO	3.13	WT%	XRF
MNO	0.09	WT%	XRF
K2O	1.45	WT%	XRF
NA2O	4.62	WT%	XRF
P2O5	0.21	WT%	XRF
LA	16.4	PPM	LA-ICPMS
CE	41.9	PPM	LA-ICPMS
PR	4.59	PPM	LA-ICPMS
ND	18	PPM	LA-ICPMS
SM	3.33	PPM	LA-ICPMS
EU	1.12	PPM	LA-ICPMS
GD	2.71	PPM	LA-ICPMS
TB	0.43	PPM	LA-ICPMS
DY	2.17	PPM	LA-ICPMS
HO	0.39	PPM	LA-ICPMS
ER	1.21	PPM	LA-ICPMS
YB	1.28	PPM	LA-ICPMS
LU	0.19	PPM	LA-ICPMS
CR	39	PPM	XRF
NI	25	PPM	XRF
CU	23	PPM	XRF
ZN	72	PPM	XRF
RB	24	PPM	XRF
SR	633	PPM	XRF
Y	13	PPM	XRF
ZR	149	PPM	XRF
NB	0	PPM	XRF
BA	418	PPM	XRF