Sample LC81-846

NavDat sample number 61151

Sample

Latitude	40.5139
Longitude	-121.465
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	60.52	WT%	WDXRF
AL2O3	17.84	WT%	WDXRF
FE2O3	1.11	WT%	WDXRF
FEO	3.99	WT%	WDXRF
FEOT	4.99	WT%	WDXRF
MGO	3.65	WT%	WDXRF
CAO	6.29	WT%	WDXRF
NA2O	4.06	WT%	WDXRF
K2O	1.68	WT%	WDXRF
TIO2	0.62	WT%	WDXRF
P2O5	0.15	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.06	WT%	LOI
TOTAL	100.24	WT%	WDXRF
MG_NUMBER	62		WDXRF
RB	47	PPM	EDXRF
SR	484	PPM	EDXRF
BA	489	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	113	PPM	EDXRF
NB	5	PPM	EDXRF
NI	49	PPM	EDXRF
CU	37	PPM	EDXRF
ZN	50	PPM	EDXRF
CR	62	PPM	EDXRF