Sample LC84-424

NavDat sample number 61230 · 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	55.76	WT%	WDXRF
AL2O3	18.79	WT%	WDXRF
FE2O3	1.52	WT%	WDXRF
FEO	5.47	WT%	WDXRF
FEOT	6.84	WT%	WDXRF
MGO	4.38	WT%	WDXRF
CAO	8.88	WT%	WDXRF
NA2O	3.26	WT%	WDXRF
K2O	1	WT%	WDXRF
TIO2	0.7	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.12	WT%	WDXRF
LOI	0.6	WT%	LOI
TOTAL	99.05	WT%	WDXRF
MG_NUMBER	58.8		WDXRF
RB	22	PPM	EDXRF
SR	661	PPM	EDXRF
BA	205	PPM	EDXRF
Y	16	PPM	EDXRF
ZR	83	PPM	EDXRF
NB	1	PPM	EDXRF