Sample LC83-380

NavDat sample number 61215 · ANDESITE

Sample

Latitude	40.5755
Longitude	-121.401
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	57.27	WT%	WDXRF
AL2O3	17.85	WT%	WDXRF
FE2O3	1.38	WT%	WDXRF
FEO	4.96	WT%	WDXRF
FEOT	6.2	WT%	WDXRF
MGO	4.42	WT%	WDXRF
CAO	7.63	WT%	WDXRF
NA2O	3.67	WT%	WDXRF
K2O	1.4	WT%	WDXRF
TIO2	0.91	WT%	WDXRF
P2O5	0.4	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.18	WT%	LOI
TOTAL	99.72	WT%	WDXRF
MG_NUMBER	61.4		WDXRF
RB	34	PPM	EDXRF
SR	754	PPM	EDXRF
BA	660	PPM	EDXRF
Y	21	PPM	EDXRF
ZR	167	PPM	EDXRF
NB	9	PPM	EDXRF