Sample LC86-920

NavDat sample number 61349 · ANDESITE

Sample

Latitude	40.4903
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	55.71	WT%	WDXRF
AL2O3	17.87	WT%	WDXRF
FE2O3	1.44	WT%	WDXRF
FEO	5.2	WT%	WDXRF
FEOT	6.5	WT%	WDXRF
MGO	4.86	WT%	WDXRF
CAO	8.69	WT%	WDXRF
NA2O	3.47	WT%	WDXRF
K2O	1.3	WT%	WDXRF
TIO2	1.01	WT%	WDXRF
P2O5	0.33	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.54	WT%	LOI
TOTAL	100.19	WT%	WDXRF
MG_NUMBER	62.5		WDXRF
RB	28	PPM	EDXRF
SR	807	PPM	EDXRF
BA	490	PPM	EDXRF
Y	19	PPM	EDXRF
ZR	146	PPM	EDXRF
NB	3	PPM	EDXRF