Sample LC81-753

NavDat sample number 61123 · ANDESITE

Sample

Latitude	40.4775
Longitude	-121.336
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	60.46	WT%	WDXRF
AL2O3	16.91	WT%	WDXRF
FE2O3	1.15	WT%	WDXRF
FEO	4.14	WT%	WDXRF
FEOT	5.18	WT%	WDXRF
MGO	4	WT%	WDXRF
CAO	6.54	WT%	WDXRF
NA2O	3.86	WT%	WDXRF
K2O	1.82	WT%	WDXRF
TIO2	0.77	WT%	WDXRF
P2O5	0.24	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.86	WT%	LOI
TOTAL	99.19	WT%	WDXRF
MG_NUMBER	63.3		WDXRF
RB	43	PPM	EDXRF
SR	488	PPM	EDXRF
BA	629	PPM	EDXRF
Y	21	PPM	EDXRF
ZR	142	PPM	EDXRF
NB	7	PPM	EDXRF