Sample LC84-493

NavDat sample number 61244 · ANDESITE

Sample

Latitude	40.6093
Longitude	-121.543
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	60.79	WT%	WDXRF
AL2O3	16.85	WT%	WDXRF
FE2O3	1.21	WT%	WDXRF
FEO	4.35	WT%	WDXRF
FEOT	5.43	WT%	WDXRF
MGO	3.81	WT%	WDXRF
CAO	6.47	WT%	WDXRF
NA2O	3.48	WT%	WDXRF
K2O	2.07	WT%	WDXRF
TIO2	0.65	WT%	WDXRF
P2O5	0.22	WT%	WDXRF
MNO	0.1	WT%	WDXRF
LOI	0.58	WT%	LOI
TOTAL	99.01	WT%	WDXRF
MG_NUMBER	60.9		WDXRF
RB	47	PPM	EDXRF
SR	435	PPM	EDXRF
BA	748	PPM	EDXRF
Y	20	PPM	EDXRF
ZR	168	PPM	EDXRF
NB	4	PPM	EDXRF