Words nearby Archean
How to use Archean in a sentence
It’s possible, Byrne says, that Venus could be an analog for studying what things were like billions of years ago during Earth’s Archean period.Jostling in Venus’ crust could reveal clues about Earth’s early geology|Monroe Hammond|June 25, 2021|Popular-Science
First they analyzed Archean rocks collected in the Isua region in western Greenland.Scientists Pin Down When Earth’s Crust Cracked, Then Came to Life|Howard Lee|March 25, 2021|Quanta Magazine
In the geological history of France there have been two great periods of folding since Archean times.
Two important ones, however—namely, Archean and Algonkian—are of American birth.
These occur widely throughout North America, and in formations of all ages subsequent to the Archean.
A theory held by many refers the ultimate source of the iron to the igneous rocks of the Archean.The Elements of Geology|William Harmon Norton
With a few exceptions, to be noted later, all the rocks are of pre-Cambrian, perhaps in part of Archean age.