Sample LC84-423

NavDat sample number 61229 · DACITE

Sample

Latitude	40.4831
Longitude	-121.504
State / province	California
Volcanic field	Lassen Volcanics, Eagle Peak Sequence

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.65		0	5.3

Item	Value	Unit	Method
SIO2	66.33	WT%	WDXRF
AL2O3	16.28	WT%	WDXRF
FE2O3	0.78	WT%	WDXRF
FEO	2.8	WT%	WDXRF
FEOT	3.49	WT%	WDXRF
MGO	2.2	WT%	WDXRF
CAO	4.75	WT%	WDXRF
NA2O	4.09	WT%	WDXRF
K2O	2.17	WT%	WDXRF
TIO2	0.42	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.32	WT%	LOI
TOTAL	99.21	WT%	WDXRF
MG_NUMBER	58.4		WDXRF
RB	56	PPM	EDXRF
SR	403	PPM	EDXRF
BA	634	PPM	EDXRF
Y	17	PPM	EDXRF
ZR	124	PPM	EDXRF
NB	8	PPM	EDXRF