Sample LC86-879

NavDat sample number 61342 · DACITE

Sample

Latitude	40.4597
Longitude	-121.426
State / province	California
Volcanic field	Lassen Volcanics, Rockland Caldera Complex

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

Item	Value	Unit	Method
SIO2	65.72	WT%	WDXRF
AL2O3	16.97	WT%	WDXRF
FE2O3	0.76	WT%	WDXRF
FEO	2.74	WT%	WDXRF
FEOT	3.42	WT%	WDXRF
MGO	1.81	WT%	WDXRF
CAO	4.66	WT%	WDXRF
NA2O	4.42	WT%	WDXRF
K2O	2.26	WT%	WDXRF
TIO2	0.45	WT%	WDXRF
P2O5	0.15	WT%	WDXRF
MNO	0.06	WT%	WDXRF
LOI	1.62	WT%	LOI
TOTAL	98.14	WT%	WDXRF
MG_NUMBER	54.1		WDXRF
RB	56	PPM	EDXRF
SR	712	PPM	EDXRF
BA	832	PPM	EDXRF
Y	16	PPM	EDXRF
ZR	140	PPM	EDXRF
NB	6	PPM	EDXRF