Sample LC81-849

NavDat sample number 61153 · ANDESITE

Sample

Latitude	40.6317
Longitude	-121.377
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	57.48	WT%	WDXRF
AL2O3	17.07	WT%	WDXRF
FE2O3	1.41	WT%	WDXRF
FEO	5.08	WT%	WDXRF
FEOT	6.35	WT%	WDXRF
MGO	5.12	WT%	WDXRF
CAO	8.16	WT%	WDXRF
NA2O	3.38	WT%	WDXRF
K2O	1.2	WT%	WDXRF
TIO2	0.83	WT%	WDXRF
P2O5	0.15	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.44	WT%	LOI
TOTAL	99.55	WT%	WDXRF
MG_NUMBER	64.3		WDXRF
RB	32	PPM	EDXRF
SR	376	PPM	EDXRF
BA	407	PPM	EDXRF
Y	18	PPM	EDXRF
ZR	114	PPM	EDXRF
NB	2	PPM	EDXRF