Sample LC81-629

NavDat sample number 61089 · DACITE

Sample

Latitude	40.4364
Longitude	-121.359
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	65.9	WT%	WDXRF
AL2O3	16.3	WT%	WDXRF
FE2O3	0.83	WT%	WDXRF
FEO	3	WT%	WDXRF
FEOT	3.75	WT%	WDXRF
MGO	2.22	WT%	WDXRF
CAO	4.5	WT%	WDXRF
NA2O	4.24	WT%	WDXRF
K2O	2.27	WT%	WDXRF
TIO2	0.48	WT%	WDXRF
P2O5	0.19	WT%	WDXRF
MNO	0.07	WT%	WDXRF
LOI	0.01	WT%	LOI
TOTAL	99.73	WT%	WDXRF
MG_NUMBER	56.9		WDXRF
RB	52	PPM	EDXRF
SR	502	PPM	EDXRF
BA	791	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	156	PPM	EDXRF
NB	5	PPM	EDXRF