Sample LC83-371

NavDat sample number 61211 · BASALTIC-ANDESITE

Sample

Latitude	40.5715
Longitude	-121.397
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	57.9	WT%	WDXRF
AL2O3	17.92	WT%	WDXRF
FE2O3	1.48	WT%	WDXRF
FEO	5.34	WT%	WDXRF
FEOT	6.68	WT%	WDXRF
MGO	3.26	WT%	WDXRF
CAO	6.79	WT%	WDXRF
NA2O	4.12	WT%	WDXRF
K2O	1.6	WT%	WDXRF
TIO2	1.12	WT%	WDXRF
P2O5	0.34	WT%	WDXRF
MNO	0.12	WT%	WDXRF
LOI	0.01	WT%	LOI
TOTAL	99.9	WT%	WDXRF
MG_NUMBER	52.1		WDXRF
RB	38	PPM	EDXRF
SR	500	PPM	EDXRF
BA	568	PPM	EDXRF
Y	24	PPM	EDXRF
ZR	173	PPM	EDXRF
NB	8	PPM	EDXRF