Sample LM88-1597

NavDat sample number 61558 · ANDESITE

Sample

Latitude	40.682
Longitude	-121.492
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	58.19	WT%	WDXRF
AL2O3	19.9	WT%	WDXRF
FE2O3	1.18	WT%	WDXRF
FEO	4.24	WT%	WDXRF
FEOT	5.3	WT%	WDXRF
MGO	3.2	WT%	WDXRF
CAO	7.89	WT%	WDXRF
NA2O	3.62	WT%	WDXRF
K2O	0.98	WT%	WDXRF
TIO2	0.57	WT%	WDXRF
P2O5	0.14	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.59	WT%	LOI
TOTAL	99.45	WT%	WDXRF
MG_NUMBER	57.4		WDXRF
RB	25	PPM	EDXRF
SR	736	PPM	EDXRF
BA	357	PPM	EDXRF
Y	20	PPM	EDXRF
ZR	102	PPM	EDXRF
NB	4	PPM	EDXRF