About: oldest layer

Premodifier: oldest
Head noun: layer

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
youngest layer	isap:370507898	0.296553
bottom of the sequence	isap:121164539	0.179734
bottom	isap:121164514	0.079969
year	isap:86457987	0.077268