Sample LC84-544

NavDat sample number 61255 · DACITE

Sample

Latitude	40.4715
Longitude	-121.526
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	64.16	WT%	WDXRF
AL2O3	17.56	WT%	WDXRF
FE2O3	0.85	WT%	WDXRF
FEO	3.05	WT%	WDXRF
FEOT	3.81	WT%	WDXRF
MGO	2.6	WT%	WDXRF
CAO	5.12	WT%	WDXRF
NA2O	4.16	WT%	WDXRF
K2O	1.81	WT%	WDXRF
TIO2	0.5	WT%	WDXRF
P2O5	0.14	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.32	WT%	LOI
TOTAL	98.85	WT%	WDXRF
MG_NUMBER	60.3		WDXRF
RB	43	PPM	EDXRF
SR	707	PPM	EDXRF
BA	561	PPM	EDXRF
Y	18	PPM	EDXRF
ZR	139	PPM	EDXRF
NB	4	PPM	EDXRF