Sample LC86-988A

NavDat sample number 61362 · DACITE

Sample

Latitude	40.5038
Longitude	-121.525
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	66	WT%	WDXRF
AL2O3	16.35	WT%	WDXRF
FE2O3	0.8	WT%	WDXRF
FEO	2.89	WT%	WDXRF
FEOT	3.61	WT%	WDXRF
MGO	2.18	WT%	WDXRF
CAO	4.92	WT%	WDXRF
NA2O	3.92	WT%	WDXRF
K2O	2.27	WT%	WDXRF
TIO2	0.46	WT%	WDXRF
P2O5	0.13	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.8	WT%	LOI
TOTAL	99.41	WT%	WDXRF
MG_NUMBER	57.3		WDXRF
RB	58	PPM	EDXRF
SR	491	PPM	EDXRF
BA	678	PPM	EDXRF
Y	22	PPM	EDXRF
ZR	151	PPM	EDXRF
NB	7	PPM	EDXRF