Sample LC81-814

NavDat sample number 61141 · ANDESITE

Sample

Latitude	40.4669
Longitude	-121.743
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	16.54	WT%	WDXRF
FE2O3	1.43	WT%	WDXRF
FEO	5.15	WT%	WDXRF
FEOT	6.44	WT%	WDXRF
MGO	5.56	WT%	WDXRF
CAO	7.38	WT%	WDXRF
NA2O	3.47	WT%	WDXRF
K2O	1.15	WT%	WDXRF
TIO2	0.74	WT%	WDXRF
P2O5	0.17	WT%	WDXRF
MNO	0.1	WT%	WDXRF
LOI	0.6	WT%	LOI
TOTAL	99.7	WT%	WDXRF
MG_NUMBER	65.8		WDXRF
RB	22	PPM	EDXRF
SR	426	PPM	EDXRF
BA	388	PPM	EDXRF
Y	29	PPM	EDXRF
ZR	122	PPM	EDXRF
NB	1	PPM	EDXRF