GRAND CANYON SERIES


Meaning of GRAND CANYON SERIES in English

Major division of rocks in northern Arizona dating from Precambrian time .

The rocks of the series consist of about 10,600 ft (3,400 m) of quartz sandstones, shales, and thick sequences of carbonate rocks. Spectacular exposures of these rocks occur in the Grand Canyon.

Britannica English dictionary.      Английский словарь Британика.