Sample LC85-727

NavDat sample number 61303

Sample

Latitude	40.5005
Longitude	-121.495
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	66.24	WT%	WDXRF
AL2O3	15.93	WT%	WDXRF
FE2O3	0.84	WT%	WDXRF
FEO	3.03	WT%	WDXRF
FEOT	3.78	WT%	WDXRF
MGO	2.37	WT%	WDXRF
CAO	4.47	WT%	WDXRF
NA2O	4.09	WT%	WDXRF
K2O	2.36	WT%	WDXRF
TIO2	0.47	WT%	WDXRF
P2O5	0.13	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.64	WT%	LOI
TOTAL	99.51	WT%	WDXRF
MG_NUMBER	58.2		WDXRF
RB	62	PPM	EDXRF
SR	394	PPM	EDXRF
BA	647	PPM	EDXRF
Y	16	PPM	EDXRF
ZR	125	PPM	EDXRF
NB	5	PPM	EDXRF