Sample LC84-541

NavDat sample number 61252 · DACITE

Sample

Latitude	40.4727
Longitude	-121.499
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	64.21	WT%	WDXRF
AL2O3	16.94	WT%	WDXRF
FE2O3	0.92	WT%	WDXRF
FEO	3.32	WT%	WDXRF
FEOT	4.15	WT%	WDXRF
MGO	2.35	WT%	WDXRF
CAO	5.15	WT%	WDXRF
NA2O	4.17	WT%	WDXRF
K2O	2.11	WT%	WDXRF
TIO2	0.56	WT%	WDXRF
P2O5	0.18	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.34	WT%	LOI
TOTAL	99.57	WT%	WDXRF
MG_NUMBER	55.8		WDXRF
RB	50	PPM	EDXRF
SR	453	PPM	EDXRF
BA	672	PPM	EDXRF
Y	17	PPM	EDXRF
ZR	157	PPM	EDXRF
NB	4	PPM	EDXRF