Sample LC83-372

NavDat sample number 61212 · ANDESITE

Sample

Latitude	40.57
Longitude	-121.401
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	57.21	WT%	WDXRF
AL2O3	17.79	WT%	WDXRF
FE2O3	1.4	WT%	WDXRF
FEO	5.04	WT%	WDXRF
FEOT	6.3	WT%	WDXRF
MGO	4.52	WT%	WDXRF
CAO	7.7	WT%	WDXRF
NA2O	3.7	WT%	WDXRF
K2O	1.28	WT%	WDXRF
TIO2	0.85	WT%	WDXRF
P2O5	0.38	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.09	WT%	LOI
TOTAL	99.48	WT%	WDXRF
MG_NUMBER	61.5		WDXRF
RB	34	PPM	EDXRF
SR	726	PPM	EDXRF
BA	618	PPM	EDXRF
Y	19	PPM	EDXRF
ZR	169	PPM	EDXRF
NB	8	PPM	EDXRF