Sample LC80-391

NavDat sample number 61058 · ANDESITE

Sample

Latitude	40.4976
Longitude	-121.609
State / province	California
Volcanic field	Lassen Volcanics, Twin Lakes Sequence, older

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

Item	Value	Unit	Method
SIO2	58.96	WT%	WDXRF
AL2O3	17.64	WT%	WDXRF
FE2O3	1.29	WT%	WDXRF
FEO	4.65	WT%	WDXRF
FEOT	5.81	WT%	WDXRF
MGO	3	WT%	WDXRF
CAO	6.73	WT%	WDXRF
NA2O	4.25	WT%	WDXRF
K2O	1.97	WT%	WDXRF
TIO2	1.06	WT%	WDXRF
P2O5	0.34	WT%	WDXRF
MNO	0.1	WT%	WDXRF
LOI	0.01	WT%	LOI
TOTAL	99.73	WT%	WDXRF
MG_NUMBER	53.5		WDXRF
RB	46	PPM	EDXRF
SR	534	PPM	EDXRF
BA	675	PPM	EDXRF
Y	25	PPM	EDXRF
ZR	187	PPM	EDXRF
NB	15	PPM	EDXRF