Sample LC85-748

NavDat sample number 61310 · ANDESITE

Sample

Latitude	40.5268
Longitude	-121.453
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	57.7	WT%	WDXRF
AL2O3	16.6	WT%	WDXRF
FE2O3	1.33	WT%	WDXRF
FEO	4.78	WT%	WDXRF
FEOT	5.98	WT%	WDXRF
MGO	6.07	WT%	WDXRF
CAO	8.38	WT%	WDXRF
NA2O	3.3	WT%	WDXRF
K2O	1.1	WT%	WDXRF
TIO2	0.53	WT%	WDXRF
P2O5	0.11	WT%	WDXRF
MNO	0.1	WT%	WDXRF
LOI	0.01	WT%	LOI
TOTAL	100.53	WT%	WDXRF
MG_NUMBER	69.4		WDXRF
RB	26	PPM	EDXRF
SR	662	PPM	EDXRF
BA	297	PPM	EDXRF
Y	15	PPM	EDXRF
ZR	97	PPM	EDXRF
NB	2	PPM	EDXRF