Sample LC84-571

NavDat sample number 61259 · ANDESITE

Sample

Latitude	40.6185
Longitude	-121.317
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	56.1	WT%	WDXRF
AL2O3	17.92	WT%	WDXRF
FE2O3	1.44	WT%	WDXRF
FEO	5.2	WT%	WDXRF
FEOT	6.5	WT%	WDXRF
MGO	5.08	WT%	WDXRF
CAO	7.73	WT%	WDXRF
NA2O	3.75	WT%	WDXRF
K2O	1.41	WT%	WDXRF
TIO2	0.87	WT%	WDXRF
P2O5	0.37	WT%	WDXRF
MNO	0.12	WT%	WDXRF
LOI	0.44	WT%	LOI
TOTAL	99.33	WT%	WDXRF
MG_NUMBER	63.5		WDXRF
RB	27	PPM	EDXRF
SR	583	PPM	EDXRF
BA	564	PPM	EDXRF
Y	20	PPM	EDXRF
ZR	157	PPM	EDXRF
NB	10	PPM	EDXRF