Sample LC82-204

NavDat sample number 61181 · DACITE

Sample

Latitude	40.466
Longitude	-121.464
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	68.88	WT%	WDXRF
AL2O3	15.9	WT%	WDXRF
FE2O3	0.61	WT%	WDXRF
FEO	2.21	WT%	WDXRF
FEOT	2.76	WT%	WDXRF
MGO	1.51	WT%	WDXRF
CAO	3.42	WT%	WDXRF
NA2O	4.22	WT%	WDXRF
K2O	2.69	WT%	WDXRF
TIO2	0.38	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	0.4	WT%	LOI
TOTAL	98.97	WT%	WDXRF
MG_NUMBER	54.9		WDXRF
RB	70	PPM	EDXRF
SR	339	PPM	EDXRF
BA	752	PPM	EDXRF
Y	16	PPM	EDXRF
ZR	145	PPM	EDXRF
NB	5	PPM	EDXRF