Rock formations

   

Rock formations

How rock formations are created

Geologist classify rocks into 3 types according to their origin. A rock structure can be created in any rock type or combination:-

Sedimentary rocks are created from bits of rocks that have broken off other rocks by wind or water erosion, and deposited in their current position by wind or water. An example is Bryce Canyon National Park in Utah.
Metamorphic rocks are created by rocks that have evolved into another kind of rock, usually by heat and pressure. An example is Mount Rushmore National Monument in South Dakota.
Igneous rocks are created when molten rock cools and solidifies, with or without crystallization. An example is Iao Needle in Maui, Hawaii.

Geologists have created a number of terms to describe different rock structures in the landscape that can be formed by natural processes:-

Inselberg is a residual relief feature. It can be an isolated hill, a knob, ridge or small mountain that rises abruptly, like an island, from a gently sloping or virtually level surrounding plain. Inselberg is a German word that means "island mountain". Ayers/Uluru Rock in Australia is a noted example.
Peak
Stack
Mesa
Butte
Escarpment
Gorge
Sea Cliff
River Cliff

Lists of rock formations

Oceania

Asia

Middle East

Africa

Americas

United States of America

Canada

Caribbean

Latin America

Europe

British Isles

France

Main article: Rock formations of France

Others in Europe



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