Sample s_SR865

NavDat sample number 43369 · ANDESITE

Sample

Sample ID	s_SR865
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS
Texture	FINE-GRAINED, LACKING PHENOCRYSTS EXCEPT TRACES OF OLIVINE AND PLAGIOCLASE
Comment	QUENCHED INCLUSION IN THE LOWER UNIT

Latitude	46.87
Longitude	-121.758
Location	Burroughs Mountain Lava Flow
State / province	Washington
Location comment	South Vertical Section

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.496		0.489	0.503

Item	Value	Unit	Method
SIO2	54.1	WT%	XRF
TIO2	1.06	WT%	XRF
AL2O3	17.4	WT%	XRF
FE2O3T	7.65	WT%	XRF
CAO	7.51	WT%	XRF
MGO	5.61	WT%	XRF
MNO	0.12	WT%	XRF
K2O	0.98	WT%	XRF
NA2O	3.41	WT%	XRF
P2O5	0.19	WT%	XRF
LA	14.5	PPM	LA-ICPMS
CE	29.5	PPM	LA-ICPMS
PR	3.88	PPM	LA-ICPMS
ND	16.3	PPM	LA-ICPMS
SM	3.63	PPM	LA-ICPMS
EU	1.2	PPM	LA-ICPMS
GD	3.37	PPM	LA-ICPMS
TB	0.51	PPM	LA-ICPMS
DY	2.89	PPM	LA-ICPMS
HO	0.57	PPM	LA-ICPMS
ER	1.52	PPM	LA-ICPMS
YB	1.45	PPM	LA-ICPMS
LU	0.21	PPM	LA-ICPMS
V	167	PPM	LA-ICPMS
CR	154	PPM	LA-ICPMS
NI	40	PPM	XRF
CU	34	PPM	XRF
ZN	86	PPM	XRF
RB	21	PPM	XRF
SR	589	PPM	XRF
Y	16	PPM	XRF
ZR	118	PPM	XRF
NB	10	PPM	LA-ICPMS
BA	281	PPM	XRF
HF	2.83	PPM	LA-ICPMS
TA	0.51	PPM	LA-ICPMS
PB	9.92	PPM	LA-ICPMS
TH	2.5	PPM	LA-ICPMS
U	0.8	PPM	LA-ICPMS