Sample LM92-2789

NavDat sample number 61665 · ANDESITE

Sample

Latitude	40.6365
Longitude	-121.295
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	53.34	WT%	WDXRF
AL2O3	17.51	WT%	WDXRF
FE2O3	1.68	WT%	WDXRF
FEO	6.04	WT%	WDXRF
FEOT	7.55	WT%	WDXRF
MGO	6.76	WT%	WDXRF
CAO	7.88	WT%	WDXRF
NA2O	3.67	WT%	WDXRF
K2O	1.37	WT%	WDXRF
TIO2	1.15	WT%	WDXRF
P2O5	0.45	WT%	WDXRF
MNO	0.14	WT%	WDXRF
LOI	0.18	WT%	LOI
TOTAL	100.03	WT%	WDXRF
MG_NUMBER	66.6		WDXRF
RB	26	PPM	EDXRF
SR	569	PPM	EDXRF
BA	528	PPM	EDXRF
Y	27	PPM	EDXRF
ZR	174	PPM	EDXRF
NB	11	PPM	EDXRF
NI	120	PPM	EDXRF
CU	49	PPM	EDXRF
ZN	74	PPM	EDXRF
CR	226	PPM	EDXRF