Sample s_98-13

NavDat sample number 43390 · DACITE

Sample

Sample ID	s_98-13
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
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	63.3	WT%	XRF
TIO2	0.72	WT%	XRF
AL2O3	17.3	WT%	XRF
FE2O3T	4.91	WT%	XRF
CAO	5.35	WT%	XRF
MGO	2.43	WT%	XRF
MNO	0.08	WT%	XRF
K2O	1.81	WT%	XRF
NA2O	4.09	WT%	XRF
P2O5	0.19	WT%	XRF
LA	18.3	PPM	LA-ICPMS
CE	42	PPM	LA-ICPMS
PR	4.42	PPM	LA-ICPMS
ND	18.3	PPM	LA-ICPMS
SM	3.34	PPM	LA-ICPMS
EU	1.05	PPM	LA-ICPMS
GD	2.75	PPM	LA-ICPMS
TB	0.42	PPM	LA-ICPMS
DY	2.2	PPM	LA-ICPMS
HO	0.39	PPM	LA-ICPMS
ER	1.26	PPM	LA-ICPMS
YB	1.38	PPM	LA-ICPMS
LU	0.18	PPM	LA-ICPMS
CR	20	PPM	XRF
NI	0	PPM	XRF
CU	25	PPM	XRF
ZN	61	PPM	XRF
RB	46	PPM	XRF
SR	621	PPM	XRF
Y	16	PPM	XRF
ZR	145	PPM	XRF
NB	0	PPM	XRF
BA	433	PPM	XRF