Yankin Sub-Paleogene

Yankin Sub-Paleogene wani yanki ne na lalacewa wanda ke cikin kudancin Ingila. A wasu sassan Sub-Paleogene surface sun bayyana a matsayin shimfidar wuri kuma sassan a matsayin rashin daidaituwa a ƙarƙashin turɓaya na zamanin Paleogene. An kafa farfajiyar ne ta hanyar rushewar chalklands a Ingila biyo bayan koma baya a zamanin Maastrichtian. Lokacin da aka kafa farfajiyar an kiyasta shi ta hanyar kwatanta shekarun ƙwanƙwasawa na ƙarshe na Maastrichtian don ajiya da shekarun farkon Paleogene sediment don rufe farfajilar. Wannan yana samar da wani bangare tsakanin shekaru 71-73 da suka gabata (Mya) da 59.3 Mya.

An yi muhawara game da dalilin koma baya da kuma lalacewar sama da matakin teku. An haɗa shi da canjin matakin teku, Alpine orogeny kuma - kwanan nan - zuwa fuka-Furen Iceland.

An riga an san farfajiyar a matsayin Sub-Eocene har sai an gano cewa wasu datti da ke rufe farfajilar a zahiri Paleogene ne.

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