Shale main content.

Shale

Shale AMNH/R.Mickens

Exhibition Text

Sedimentary rocks form a thin veneer over much of the crust. This one formed from mud deposited on a stream bank during a flood 260 million years ago.

AMNH collection

For Educators

Topic: Earth Science

Subtopic: Earth Structure

Keywords: Continental crust, Geology, Earth (Planet)--History, Shale

Audience: General