Sample LC83-355

NavDat sample number 61201 · DACITE

Sample

Latitude	40.4695
Longitude	-121.516
State / province	California
Volcanic field	Lassen Volcanics, Bumpass Sequence

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.65		0	5.3

Item	Value	Unit	Method
SIO2	66.45	WT%	WDXRF
AL2O3	16.46	WT%	WDXRF
FE2O3	0.78	WT%	WDXRF
FEO	2.82	WT%	WDXRF
FEOT	3.52	WT%	WDXRF
MGO	2.21	WT%	WDXRF
CAO	4.55	WT%	WDXRF
NA2O	3.81	WT%	WDXRF
K2O	2.18	WT%	WDXRF
TIO2	0.48	WT%	WDXRF
P2O5	0.18	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.34	WT%	LOI
TOTAL	98.73	WT%	WDXRF
MG_NUMBER	58.4		WDXRF
RB	44	PPM	EDXRF
SR	516	PPM	EDXRF
BA	723	PPM	EDXRF
Y	17	PPM	EDXRF
ZR	151	PPM	EDXRF
NB	6	PPM	EDXRF