Sample LC84-497

NavDat sample number 61245 · ANDESITE

Sample

Latitude	40.6018
Longitude	-121.576
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	58.3	WT%	WDXRF
AL2O3	17.74	WT%	WDXRF
FE2O3	1.34	WT%	WDXRF
FEO	4.84	WT%	WDXRF
FEOT	6.05	WT%	WDXRF
MGO	3.62	WT%	WDXRF
CAO	6.97	WT%	WDXRF
NA2O	3.7	WT%	WDXRF
K2O	2.1	WT%	WDXRF
TIO2	0.93	WT%	WDXRF
P2O5	0.33	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.55	WT%	LOI
TOTAL	99.15	WT%	WDXRF
MG_NUMBER	57.1		WDXRF
RB	46	PPM	EDXRF
SR	496	PPM	EDXRF
BA	698	PPM	EDXRF
Y	25	PPM	EDXRF
ZR	183	PPM	EDXRF
NB	8	PPM	EDXRF