Sample LC81-731

NavDat sample number 61117 · DACITE

Sample

Latitude	40.496
Longitude	-121.483
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	70.24	WT%	WDXRF
AL2O3	15.56	WT%	WDXRF
FE2O3	0.54	WT%	WDXRF
FEO	1.95	WT%	WDXRF
FEOT	2.43	WT%	WDXRF
MGO	1.21	WT%	WDXRF
CAO	2.92	WT%	WDXRF
NA2O	4.32	WT%	WDXRF
K2O	2.74	WT%	WDXRF
TIO2	0.36	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.05	WT%	WDXRF
LOI	1.59	WT%	LOI
TOTAL	97.88	WT%	WDXRF
MG_NUMBER	52.5		WDXRF
RB	69	PPM	EDXRF
SR	326	PPM	EDXRF
BA	810	PPM	EDXRF
Y	14	PPM	EDXRF
ZR	141	PPM	EDXRF
NB	6	PPM	EDXRF