Essays Tagged: "Mantle (geology)"
Spheres Inside of Spheres
tle and make up Earth's surface layer. It is called the crust and underlying the crust is the upper mantle. The lithosphere is made of the heavy oceanic and lighter continental crusts, and the upper p ... usts, and the upper portion of the mantle. The Moho or Mohorovicic unevenness divides the crust and mantle. The width of the lithosphere ranges from to around 1 mi (1.6 km) at the mid-ocean ridges to ...
Subjects: Science Essays > Earth Sciences
Volcanoes: a geologic wonder
larger as time passes.There are many different types of volcanism. Hot spot volcanism is caused by mantle plumes. Mantle plumes occur when there is a gush of hot rock within the Earth's mantle. A cha ... sphere descends beneath the adjacent plate, thus consuming the oceanic lithosphere into the earth's mantle. This on-going process is called subduction. As the descending plate bends downward at the su ...
Subjects: Science Essays > Earth Sciences > Geology & Geosciences
A Journey to the Center of the Earth
ically made the drilling easier. These new developments might allow scientists to break through the mantle in coming years. I am not sure what the anticipated result of the penetration of the mantle i ... c discontinuity. This marks the division between Earth's brittle outer crust and the hotter, softer mantle. My own research on The Mohorovicic discontinuity found the Mohorovicic discontinuity was fir ...
Subjects: Science Essays > Environmental Science
Journey To The Center Of The Earth
he earth? They are known as the continental crust, oceanic crust, lithosphere, asthenosphere, lower mantle, outer core, and inner core. Those are the layers of the earth.The crust and upper mantel are ...
Subjects: Science Essays
Journey To The Center Of The Earth
in half. They are known as the continental crust, oceanic crust, lithosphere, asthenosphere, lower mantle, outer core, and inner core. Those are the layers of the earth.The crust and upper mantel are ...
Subjects: Science Essays