Sample s_SR870

NavDat sample number 43374 · ANDESITE

Sample

Sample ID	s_SR870
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	54.4	WT%	XRF
TIO2	1.09	WT%	XRF
AL2O3	17.6	WT%	XRF
FE2O3T	7.64	WT%	XRF
CAO	7.67	WT%	XRF
MGO	5.21	WT%	XRF
MNO	0.12	WT%	XRF
K2O	0.97	WT%	XRF
NA2O	3.5	WT%	XRF
P2O5	0.19	WT%	XRF
LA	13.7	PPM	LA-ICPMS
CE	28	PPM	LA-ICPMS
PR	3.77	PPM	LA-ICPMS
ND	15.7	PPM	LA-ICPMS
SM	3.62	PPM	LA-ICPMS
EU	1.21	PPM	LA-ICPMS
GD	3.33	PPM	LA-ICPMS
TB	0.52	PPM	LA-ICPMS
DY	2.94	PPM	LA-ICPMS
HO	0.56	PPM	LA-ICPMS
ER	1.49	PPM	LA-ICPMS
YB	1.43	PPM	LA-ICPMS
LU	0.21	PPM	LA-ICPMS
V	172	PPM	LA-ICPMS
CR	110	PPM	LA-ICPMS
NI	41	PPM	XRF
CU	574	PPM	XRF
ZN	96	PPM	XRF
RB	19	PPM	XRF
SR	623	PPM	XRF
Y	16	PPM	XRF
ZR	119	PPM	XRF
NB	10	PPM	LA-ICPMS
BA	268	PPM	XRF
HF	2.78	PPM	LA-ICPMS
TA	0.54	PPM	LA-ICPMS
PB	44.3	PPM	LA-ICPMS
TH	2.5	PPM	LA-ICPMS
U	0.8	PPM	LA-ICPMS