Sample LC81-801

NavDat sample number 61130 · DACITE

Sample

Latitude	40.4731
Longitude	-121.504
State / province	California
Volcanic field	Lassen Volcanics, Bumpass Sequence

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

Item	Value	Unit	Method
SIO2	65.46	WT%	WDXRF
AL2O3	16.42	WT%	WDXRF
FE2O3	0.85	WT%	WDXRF
FEO	3.06	WT%	WDXRF
FEOT	3.83	WT%	WDXRF
MGO	2.44	WT%	WDXRF
CAO	4.73	WT%	WDXRF
NA2O	3.94	WT%	WDXRF
K2O	2.31	WT%	WDXRF
TIO2	0.55	WT%	WDXRF
P2O5	0.16	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.52	WT%	LOI
TOTAL	99.02	WT%	WDXRF
MG_NUMBER	58.7		WDXRF
RB	57	PPM	EDXRF
SR	415	PPM	EDXRF
BA	747	PPM	EDXRF
Y	20	PPM	EDXRF
ZR	164	PPM	EDXRF
NB	6	PPM	EDXRF