Sample LC83-274

NavDat sample number 61189 · ANDESITE

Sample

Latitude	40.5928
Longitude	-121.441
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	59.72	WT%	WDXRF
AL2O3	18.12	WT%	WDXRF
FE2O3	1.17	WT%	WDXRF
FEO	4.21	WT%	WDXRF
FEOT	5.27	WT%	WDXRF
MGO	3.56	WT%	WDXRF
CAO	7.13	WT%	WDXRF
NA2O	3.41	WT%	WDXRF
K2O	1.73	WT%	WDXRF
TIO2	0.56	WT%	WDXRF
P2O5	0.3	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.4	WT%	LOI
TOTAL	99.26	WT%	WDXRF
MG_NUMBER	60.1		WDXRF
RB	39	PPM	EDXRF
SR	564	PPM	EDXRF
BA	562	PPM	EDXRF
Y	20	PPM	EDXRF
ZR	129	PPM	EDXRF
NB	3	PPM	EDXRF