Sample LC81-775

NavDat sample number 61126 · BASALTIC-ANDESITE

Sample

Latitude	40.4576
Longitude	-121.676
State / province	California
Volcanic field	Regional Volcanic Rocks, North and West of the Lassen Volcanic Center

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.65		0	5.3

Item	Value	Unit	Method
SIO2	55.76	WT%	WDXRF
AL2O3	18.01	WT%	WDXRF
FE2O3	1.51	WT%	WDXRF
FEO	5.43	WT%	WDXRF
FEOT	6.79	WT%	WDXRF
MGO	4.68	WT%	WDXRF
CAO	7.72	WT%	WDXRF
NA2O	3.65	WT%	WDXRF
K2O	1.69	WT%	WDXRF
TIO2	1.06	WT%	WDXRF
P2O5	0.37	WT%	WDXRF
MNO	0.12	WT%	WDXRF
LOI	0.26	WT%	LOI
TOTAL	99.96	WT%	WDXRF
MG_NUMBER	60.5		WDXRF
RB	33	PPM	EDXRF
SR	569	PPM	EDXRF
BA	651	PPM	EDXRF
Y	22	PPM	EDXRF
ZR	190	PPM	EDXRF
NB	11	PPM	EDXRF