Sample LB90-82

NavDat sample number 61040 · ANDESITE

Sample

Latitude	40.6758
Longitude	-121.146
State / province	California
Volcanic field	Regional Volcanic Rocks, Older than the Caribou Volcanic Field

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

Item	Value	Unit	Method
SIO2	58.65	WT%	WDXRF
AL2O3	17.6	WT%	WDXRF
FE2O3	1.32	WT%	WDXRF
FEO	4.77	WT%	WDXRF
FEOT	5.96	WT%	WDXRF
MGO	4.11	WT%	WDXRF
CAO	7.25	WT%	WDXRF
NA2O	3.36	WT%	WDXRF
K2O	1.93	WT%	WDXRF
TIO2	0.7	WT%	WDXRF
P2O5	0.2	WT%	WDXRF
MNO	0.11	WT%	WDXRF
LOI	0.44	WT%	LOI
TOTAL	99.41	WT%	WDXRF
MG_NUMBER	60.5		WDXRF
RB	47	PPM	EDXRF
SR	493	PPM	EDXRF
BA	659	PPM	EDXRF
Y	23	PPM	EDXRF
ZR	144	PPM	EDXRF
NB	8	PPM	EDXRF
NI	42	PPM	EDXRF
CU	71	PPM	EDXRF
ZN	71	PPM	EDXRF
CR	59	PPM	EDXRF