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Data sets Publications Expeditions Thesaurus
Tarbert Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Jurassic
 ....Middle Jurassic
 .....Bajocian
 ......Tarbert Formation
RTBrent Group
 North Sea
SNIn Brent Group. Added to Thesaurus in 1995.