articles

Continental and oceanic crust are both destroyed in subduction zones and lie atop Earth's mantle, though they differ in thickness, density, age and chemical composition. A subduction zone is an area of Earth's crust wher... More »

www.reference.com Science Earth Science Layers of the Earth

The Earth's crust is it's outer layer. Continental crust is the surface that forms land masses, and oceanic crust is the surface found under the ocean floor. More »

www.reference.com Science Earth Science Geology

The Earth has two crusts called the continental and oceanic. On average, the continental crust is 25 miles thick and the oceanic crust is about four miles thick. More »

www.reference.com Science Earth Science Layers of the Earth
similar articles

The continental crust is the outer layer of the Earth's surface, which consists of several types of rock. It is comprised of 15 tectonic plates that form the continents and their surrounding seabeds, which are called con... More »

www.reference.com Science Earth Science Layers of the Earth

The thickness of the Earth's crust varies with location and ranges from 1 to 80 kilometers thick. The continental crust is 50 kilometers thick on average, while the oceanic crust typically reaches no more than 20 kilomet... More »

www.reference.com Science Earth Science Layers of the Earth

The Department of Earth and Ocean Sciences at the University of British Columbia defines geology as the study of the Earth and its composition, which includes the crust. A geologist covers everything from studying the ti... More »

www.reference.com Science Earth Science Layers of the Earth

Basalt is the main type of rock in the oceanic crust. Basalt is formed when magma cools quickly at the Earth's surface, making a type of igneous rock. More »

www.reference.com Science Earth Science Layers of the Earth