Sample LC81-706

NavDat sample number 61108 · DACITE

Sample

Latitude	40.4783
Longitude	-121.449
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	67.31	WT%	WDXRF
AL2O3	16.4	WT%	WDXRF
FE2O3	0.72	WT%	WDXRF
FEO	2.6	WT%	WDXRF
FEOT	3.25	WT%	WDXRF
MGO	1.66	WT%	WDXRF
CAO	3.78	WT%	WDXRF
NA2O	4.37	WT%	WDXRF
K2O	2.53	WT%	WDXRF
TIO2	0.44	WT%	WDXRF
P2O5	0.12	WT%	WDXRF
MNO	0.06	WT%	WDXRF
LOI	0.2	WT%	LOI
TOTAL	99.68	WT%	WDXRF
MG_NUMBER	53.2		WDXRF
RB	67	PPM	EDXRF
SR	371	PPM	EDXRF
BA	729	PPM	EDXRF
Y	14	PPM	EDXRF
ZR	139	PPM	EDXRF
NB	6	PPM	EDXRF