Sample LM88-1596

NavDat sample number 61557 · ANDESITE

Sample

Latitude	40.6813
Longitude	-121.516
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	57.63	WT%	WDXRF
AL2O3	18.27	WT%	WDXRF
FE2O3	1.35	WT%	WDXRF
FEO	4.88	WT%	WDXRF
FEOT	6.09	WT%	WDXRF
MGO	4.04	WT%	WDXRF
CAO	7.85	WT%	WDXRF
NA2O	3.37	WT%	WDXRF
K2O	1.54	WT%	WDXRF
TIO2	0.75	WT%	WDXRF
P2O5	0.21	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.6	WT%	LOI
TOTAL	99.62	WT%	WDXRF
MG_NUMBER	59.6		WDXRF
RB	36	PPM	EDXRF
SR	476	PPM	EDXRF
BA	525	PPM	EDXRF
Y	22	PPM	EDXRF
ZR	142	PPM	EDXRF
NB	6	PPM	EDXRF
NI	31	PPM	EDXRF
CU	47	PPM	EDXRF
ZN	53	PPM	EDXRF
CR	30	PPM	EDXRF