Sample LM87-1443

NavDat sample number 61550 · BASALTIC-ANDESITE

Sample

Latitude	40.574
Longitude	-121.341
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	56.34	WT%	WDXRF
AL2O3	18.28	WT%	WDXRF
FE2O3	1.43	WT%	WDXRF
FEO	5.16	WT%	WDXRF
FEOT	6.45	WT%	WDXRF
MGO	4.65	WT%	WDXRF
CAO	8.21	WT%	WDXRF
NA2O	3.45	WT%	WDXRF
K2O	1.28	WT%	WDXRF
TIO2	0.84	WT%	WDXRF
P2O5	0.23	WT%	WDXRF
MNO	0.12	WT%	WDXRF
LOI	0.51	WT%	LOI
TOTAL	100.14	WT%	WDXRF
MG_NUMBER	61.6		WDXRF
RB	26	PPM	EDXRF
SR	476	PPM	EDXRF
BA	470	PPM	EDXRF
Y	24	PPM	EDXRF
ZR	132	PPM	EDXRF
NB	6	PPM	EDXRF