Sample LM81-1146

NavDat sample number 61538 · BASALTIC-ANDESITE

Sample

Latitude	40.6811
Longitude	-121.392
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	52.76	WT%	WDXRF
AL2O3	16.78	WT%	WDXRF
FE2O3	1.67	WT%	WDXRF
FEO	6.02	WT%	WDXRF
FEOT	7.53	WT%	WDXRF
MGO	8.36	WT%	WDXRF
CAO	10.01	WT%	WDXRF
NA2O	2.71	WT%	WDXRF
K2O	0.73	WT%	WDXRF
TIO2	0.68	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.14	WT%	WDXRF
LOI	0.24	WT%	LOI
TOTAL	100.04	WT%	WDXRF
MG_NUMBER	71.2		WDXRF
RB	13	PPM	EDXRF
SR	342	PPM	EDXRF
BA	248	PPM	EDXRF
Y	23	PPM	EDXRF
ZR	84	PPM	EDXRF
NB	3	PPM	EDXRF