Sample LC81-847

NavDat sample number 61152 · ANDESITE

Sample

Latitude	40.57
Longitude	-121.527
State / province	California
Volcanic field	Regional Volcanic Rocks, North and West of the Lassen Volcanic Center

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

Item	Value	Unit	Method
SIO2	61.39	WT%	WDXRF
AL2O3	16.71	WT%	WDXRF
FE2O3	1.23	WT%	WDXRF
FEO	4.41	WT%	WDXRF
FEOT	5.52	WT%	WDXRF
MGO	3.54	WT%	WDXRF
CAO	6.08	WT%	WDXRF
NA2O	3.72	WT%	WDXRF
K2O	1.87	WT%	WDXRF
TIO2	0.66	WT%	WDXRF
P2O5	0.28	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.09	WT%	LOI
TOTAL	98.86	WT%	WDXRF
MG_NUMBER	58.9		WDXRF
RB	39	PPM	EDXRF
SR	449	PPM	EDXRF
BA	781	PPM	EDXRF
Y	24	PPM	EDXRF
ZR	175	PPM	EDXRF
NB	5	PPM	EDXRF