Sample LC81-670

NavDat sample number 61099

Sample

Latitude	40.508
Longitude	-121.482
State / province	California
Volcanic field	Lassen Volcanics, Twin Lakes Sequence, Younger

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

Item	Value	Unit	Method
SIO2	66.14	WT%	WDXRF
AL2O3	16.41	WT%	WDXRF
FE2O3	0.75	WT%	WDXRF
FEO	2.7	WT%	WDXRF
FEOT	3.38	WT%	WDXRF
MGO	2.16	WT%	WDXRF
CAO	4.63	WT%	WDXRF
NA2O	4.17	WT%	WDXRF
K2O	2.37	WT%	WDXRF
TIO2	0.47	WT%	WDXRF
P2O5	0.14	WT%	WDXRF
MNO	0.06	WT%	WDXRF
LOI	0.25	WT%	LOI
TOTAL	99.64	WT%	WDXRF
MG_NUMBER	58.8		WDXRF
RB	67	PPM	EDXRF
SR	411	PPM	EDXRF
BA	669	PPM	EDXRF
Y	16	PPM	EDXRF
ZR	136	PPM	EDXRF
NB	6	PPM	EDXRF