dakota formation
Word Rarity
Rare
Frequency: Zipf frequency 3.94 in modern English
25
Scrabble Score
15
Letters
5
Syllables
10
Unique Chars
Meaning
name
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.
Inflected Forms
the Dakota Formation (canonical)