Sample LC81-841

NavDat sample number 61147

Sample

Latitude	40.4892
Longitude	-121.504
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	64.69	WT%	WDXRF
AL2O3	16.77	WT%	WDXRF
FE2O3	0.87	WT%	WDXRF
FEO	3.13	WT%	WDXRF
FEOT	3.91	WT%	WDXRF
MGO	2.66	WT%	WDXRF
CAO	4.96	WT%	WDXRF
NA2O	4.07	WT%	WDXRF
K2O	2.14	WT%	WDXRF
TIO2	0.5	WT%	WDXRF
P2O5	0.13	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.16	WT%	LOI
TOTAL	99.9	WT%	WDXRF
MG_NUMBER	60.2		WDXRF
RB	59	PPM	EDXRF
SR	432	PPM	EDXRF
BA	616	PPM	EDXRF
Y	13	PPM	EDXRF
ZR	120	PPM	EDXRF
NB	3	PPM	EDXRF
NI	24	PPM	EDXRF
CU	21	PPM	EDXRF
ZN	36	PPM	EDXRF
CR	20	PPM	EDXRF