Sudbury-kraatteri Katso myös | Navigointivalikko46°36′N, 81°11′W

Kraatterit


OntariossaKanadassameteoriittikraatteriMvsliitukauden







Avaruussukkula Challengersta 1984/1985 otettu kuva kraatterista.


Sudbury-kraatteri on Ontariossa, Kanadassa oleva suuri, ainakin 200–250 km:n läpimittainen meteoriittikraatteri,
jonka ikä on 1,85 miljardia eli 1850 miljoonaa vuotta (tarkkuudella +-50 Mvs). Kraatteri sijaitsee paikassa pohj 46° 36' länt 81° 11'.
Kraatterista näkyy enää vain pieni osa; geologiset tapahtumat ovat hävittäneet siitä suuren osan pois, mikä on tyypillistä hyvin vanhoille kraattereille. Sudburyssä suli 31000 km3 kiveä, mutta Jukatanin Chicxulub-törmäyksessä liitukauden lopulla vain 16000 km3.



Katso myös |



Commons


Wikimedia Commonsissa on kuvia tai muita tiedostoja aiheesta Sudbury-kraatteri.


  • Chicxulub

  • Vredefort-kraatteri







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