Dakota Formation

proper noun

A Cretaceous-age sedimentary rock unit in central and western North America, composed mainly of sandstone, mudstone, clay, and shale layers deposited in river, delta, and shallow marine environments.

Similar
Dakota Group
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Meanings

proper nounthe Dakota Formation
  1. geographyA Cretaceous-age sedimentary rock unit in central and western North America, composed mainly of sandstone, mudstone, clay, and shale layers deposited in river, delta, and shallow marine environments.

    Synonyms: Dakota Group

Synonyms & antonyms

proper nounA Cretaceous-age sedimentary rock unit in central and western North America, composed mainly of sandstone, mudstone, clay, and shale layers deposited in river, delta, and shallow marine environments.

Similar
Dakota Group
Also see
dakota group
Cite this entry
APA

Dakota Formation. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Dakota%20Formation

MLA

“Dakota Formation.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Dakota%20Formation. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Dakota Formation,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Dakota%20Formation.

Source: Dakota Formation on Wiktionary, CC BY-SA 4.0.