Sample LM87-1549

NavDat sample number 61556 · ANDESITE

Sample

Latitude	40.5624
Longitude	-121.283
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	60.53	WT%	WDXRF
AL2O3	17.11	WT%	WDXRF
FE2O3	1.21	WT%	WDXRF
FEO	4.37	WT%	WDXRF
FEOT	5.46	WT%	WDXRF
MGO	3.73	WT%	WDXRF
CAO	6.53	WT%	WDXRF
NA2O	3.38	WT%	WDXRF
K2O	2.22	WT%	WDXRF
TIO2	0.64	WT%	WDXRF
P2O5	0.19	WT%	WDXRF
MNO	0.1	WT%	WDXRF
LOI	0.8	WT%	LOI
TOTAL	99.28	WT%	WDXRF
MG_NUMBER	60.4		WDXRF
RB	50	PPM	EDXRF
SR	463	PPM	EDXRF
BA	703	PPM	EDXRF
Y	27	PPM	EDXRF
ZR	152	PPM	EDXRF
NB	5	PPM	EDXRF