INDEX FOSSIL


Meaning of INDEX FOSSIL in English

Geol., Paleontol.

a widely distributed fossil, of narrow range in time, regarded as characteristic of a given geological formation, used esp. in determining the age of related formations.

Also called guide fossil .

[ 1895-1900 ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .