Sample LC81-739

NavDat sample number 61120

Sample

Latitude	40.4974
Longitude	-121.486
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	64.71	WT%	WDXRF
AL2O3	16.58	WT%	WDXRF
FE2O3	0.89	WT%	WDXRF
FEO	3.21	WT%	WDXRF
FEOT	4.01	WT%	WDXRF
MGO	2.65	WT%	WDXRF
CAO	4.95	WT%	WDXRF
NA2O	4.06	WT%	WDXRF
K2O	2.19	WT%	WDXRF
TIO2	0.53	WT%	WDXRF
P2O5	0.14	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.44	WT%	LOI
TOTAL	99.25	WT%	WDXRF
MG_NUMBER	59.5		WDXRF
RB	57	PPM	EDXRF
SR	409	PPM	EDXRF
BA	618	PPM	EDXRF
Y	17	PPM	EDXRF
ZR	118	PPM	EDXRF
NB	6	PPM	EDXRF
NI	25	PPM	EDXRF
CU	20	PPM	EDXRF
ZN	48	PPM	EDXRF
CR	24	PPM	EDXRF