Sample LC83-399

NavDat sample number 61221 · BASALTIC-ANDESITE

Sample

Latitude	40.5438
Longitude	-121.325
State / province	California
Volcanic field	Lassen Volcanics, Twin Lakes Sequence, Younger

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

Item	Value	Unit	Method
SIO2	54.86	WT%	WDXRF
AL2O3	15.83	WT%	WDXRF
FE2O3	1.49	WT%	WDXRF
FEO	5.37	WT%	WDXRF
FEOT	6.71	WT%	WDXRF
MGO	8.63	WT%	WDXRF
CAO	8.73	WT%	WDXRF
NA2O	3.03	WT%	WDXRF
K2O	1.12	WT%	WDXRF
TIO2	0.68	WT%	WDXRF
P2O5	0.14	WT%	WDXRF
MNO	0.12	WT%	WDXRF
LOI	0.08	WT%	LOI
TOTAL	99.75	WT%	WDXRF
MG_NUMBER	74.1		WDXRF
RB	28.2	PPM	EDXRF
SR	345	PPM	EDXRF
BA	298	PPM	EDXRF
Y	16	PPM	EDXRF
ZR	91	PPM	EDXRF
NB	5	PPM	EDXRF