Sample LC86-891

NavDat sample number 61345 · ANDESITE

Sample

Latitude	40.4812
Longitude	-121.332
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	60.39	WT%	WDXRF
AL2O3	16.78	WT%	WDXRF
FE2O3	1.16	WT%	WDXRF
FEO	4.17	WT%	WDXRF
FEOT	5.22	WT%	WDXRF
MGO	3.82	WT%	WDXRF
CAO	6.7	WT%	WDXRF
NA2O	3.93	WT%	WDXRF
K2O	1.86	WT%	WDXRF
TIO2	0.84	WT%	WDXRF
P2O5	0.25	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.65	WT%	LOI
TOTAL	99.98	WT%	WDXRF
MG_NUMBER	62		WDXRF
RB	44	PPM	EDXRF
SR	574	PPM	EDXRF
BA	584	PPM	EDXRF
Y	18	PPM	EDXRF
ZR	160	PPM	EDXRF
NB	9	PPM	EDXRF