Scientific Earth Drilling Information Service - SEDIS
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Middle Triassic
BT
Chronostratigraphic Units
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Phanerozoic
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Mesozoic
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Triassic
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Middle Triassic
NT
Aniasian
Ladinian
Anisian
Doig Formation
Muschelkalk
RT
Lower Triassic
Upper Triassic
Cordevolian
Halfway Formation
Serebryanka Formation