Sample LC86-922

NavDat sample number 61351 · ANDESITE

Sample

Latitude	40.4915
Longitude	-121.353
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	56.72	WT%	WDXRF
AL2O3	17.34	WT%	WDXRF
FE2O3	1.45	WT%	WDXRF
FEO	5.23	WT%	WDXRF
FEOT	6.54	WT%	WDXRF
MGO	4.21	WT%	WDXRF
CAO	7.94	WT%	WDXRF
NA2O	3.95	WT%	WDXRF
K2O	1.42	WT%	WDXRF
TIO2	1.18	WT%	WDXRF
P2O5	0.45	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.11	WT%	LOI
TOTAL	100.37	WT%	WDXRF
MG_NUMBER	58.9		WDXRF
RB	35	PPM	EDXRF
SR	876	PPM	EDXRF
BA	585	PPM	EDXRF
Y	20	PPM	EDXRF
ZR	168	PPM	EDXRF
NB	6	PPM	EDXRF