Sample LC80-372

NavDat sample number 61056 · ANDESITE

Sample

Latitude	40.4647
Longitude	-121.695
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	58.33	WT%	WDXRF
AL2O3	18.17	WT%	WDXRF
FE2O3	1.36	WT%	WDXRF
FEO	4.89	WT%	WDXRF
FEOT	6.11	WT%	WDXRF
MGO	3.88	WT%	WDXRF
CAO	6.77	WT%	WDXRF
NA2O	3.89	WT%	WDXRF
K2O	1.52	WT%	WDXRF
TIO2	0.84	WT%	WDXRF
P2O5	0.24	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.85	WT%	LOI
TOTAL	99.62	WT%	WDXRF
MG_NUMBER	58.5		WDXRF
RB	34	PPM	EDXRF
SR	458	PPM	EDXRF
BA	536	PPM	EDXRF
Y	22	PPM	EDXRF
ZR	147	PPM	EDXRF
NB	7	PPM	EDXRF