Sample LC83-373

NavDat sample number 61213 · ANDESITE

Sample

Latitude	40.5783
Longitude	-121.404
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	56.93	WT%	WDXRF
AL2O3	18.17	WT%	WDXRF
FE2O3	1.4	WT%	WDXRF
FEO	5.02	WT%	WDXRF
FEOT	6.28	WT%	WDXRF
MGO	4.34	WT%	WDXRF
CAO	7.64	WT%	WDXRF
NA2O	3.63	WT%	WDXRF
K2O	1.37	WT%	WDXRF
TIO2	0.95	WT%	WDXRF
P2O5	0.43	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.14	WT%	LOI
TOTAL	100.15	WT%	WDXRF
MG_NUMBER	60.6		WDXRF
RB	32	PPM	EDXRF
SR	798	PPM	EDXRF
BA	665	PPM	EDXRF
Y	18	PPM	EDXRF
ZR	164	PPM	EDXRF
NB	9	PPM	EDXRF