Sample LC81-798

NavDat sample number 61129 · ANDESITE

Sample

Latitude	40.5292
Longitude	-121.641
State / province	California
Volcanic field	Lassen Volcanics, Twin Lakes Sequence, older

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

Item	Value	Unit	Method
SIO2	57.25	WT%	WDXRF
AL2O3	17.48	WT%	WDXRF
FE2O3	1.4	WT%	WDXRF
FEO	5.03	WT%	WDXRF
FEOT	6.28	WT%	WDXRF
MGO	3.98	WT%	WDXRF
CAO	7.52	WT%	WDXRF
NA2O	4.02	WT%	WDXRF
K2O	1.79	WT%	WDXRF
TIO2	1.11	WT%	WDXRF
P2O5	0.32	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.01	WT%	LOI
TOTAL	100.12	WT%	WDXRF
MG_NUMBER	58.5		WDXRF
RB	46	PPM	EDXRF
SR	522	PPM	EDXRF
BA	599	PPM	EDXRF
Y	24	PPM	EDXRF
ZR	180	PPM	EDXRF
NB	11	PPM	EDXRF