Sample LC83-266

NavDat sample number 61187 · ANDESITE

Sample

Latitude	40.5635
Longitude	-121.506
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	57.44	WT%	WDXRF
AL2O3	17.32	WT%	WDXRF
FE2O3	1.32	WT%	WDXRF
FEO	4.74	WT%	WDXRF
FEOT	5.93	WT%	WDXRF
MGO	5.11	WT%	WDXRF
CAO	7.81	WT%	WDXRF
NA2O	3.53	WT%	WDXRF
K2O	1.6	WT%	WDXRF
TIO2	0.69	WT%	WDXRF
P2O5	0.33	WT%	WDXRF
MNO	0.1	WT%	WDXRF
LOI	0.33	WT%	LOI
TOTAL	99.23	WT%	WDXRF
MG_NUMBER	65.7		WDXRF
RB	34	PPM	EDXRF
SR	656	PPM	EDXRF
BA	517	PPM	EDXRF
Y	19	PPM	EDXRF
ZR	151	PPM	EDXRF
NB	5	PPM	EDXRF