laramie group
Word Rarity
Rare
Frequency: Zipf frequency 2.78 in modern English
17
Scrabble Score
12
Letters
2
Syllables
10
Unique Chars
Meaning
An extensive series of strata, principally developed in the Rocky Mountain region, as in the Laramie Mountains, and formerly supposed to be of the Tertiary age, but now generally regarded as Cretaceous, or of intermediate and transitional character. It contains beds of lignite, often valuable for coal, and is hence also called the lignitic group . See Chart of Geology .