Essays Tagged: "crust of the earth"

Detailed description on the Element Iridium.

nds. it is an extremely rare metal, ranking sixtyfirst in order of abundance of the elements in the crust of the earth and is found in alluvial deposits alloyed with platinum as platiniridium, or with ...

(1 pages) 33 1 3.0 Sep/2003

Subjects: Science Essays > Chemistry

The Assam Earthquake

! Plate tectonics is practically invisible to use in our daily life. It puts stresses in the crust of the earth, like when a person words too hard, and tries to fit too many tings into one day. ... when a person words too hard, and tries to fit too many tings into one day. Sometimes stressed out crust lets go of the stress in sudden fits. We call these earthquakes. On August 15, people w ...

(2 pages) 25 0 4.6 May/2004

Subjects: Science Essays > Earth Sciences

Natural Disasters

to the fact that the plates were moving past one another. But the fault is stuck. Rooted under the crust of the earth, the plates cannot move and therefore cannot release tectonic and geological stre ...

(3 pages) 43 0 3.5 Feb/2008

Subjects: Science Essays > Environmental Science

Earthquakes

arth, which is a radius of 6000 kilometers. The major plates are made up of continental and oceanic crust. When these plates move they produce earthquakes.Earthquake MovementMost of the time we hear a ... thquake is produced when there is a sudden release of energy, which causes a violent shaking in the crust of the Earth. This release of energy is caused when there is a build up of stress of two litho ...

(4 pages) 32 0 5.0 May/2009

Subjects: Science Essays > Earth Sciences > Geology & Geosciences

Metallurgy

d tarnish free, it served this purpose admirably.Gold is usually dispersed through the earth’s crust and is found in two types of deposits. In the lode deposits are usually found in the solid cru ... g gold one of the most difficult metal to work with. Gold is widely dispersed throughout the earths crust (0.005 ppm) at a very small level; therefore, it is very important to find naturally occurring ...

(4 pages) 1702 0 3.0 Oct/2009

Subjects: Science Essays > Chemistry

Land Feature

quakes and volcanoes for the region. The San Andreas Fault located in California, is a crack in the crust of the earth and is the main factor behind the earthquakes that shake the Pacific Southwest. T ... s route. The cause of The Ring of Fire is the movement of the plate tectonics and collisions of the crustal platesDiscuss various types of rocks that the events formedThe various types of rocks that a ...

(5 pages) 49 0 0.0 Aug/2010

Subjects: Science Essays > Earth Sciences

Earthquakes

it. The tectonic plates are made from giant, thin, relatively rigid slabs of rock and makes up the crust of the Earth. The Earth is like an onion but contains four main layers. There is the inner cor ... s liquid molten lava, the mantle which is consisting of rocks, iron and magnesium, and there is the crust which are slabs of rock that slowly move around on the mantle, slide past each other and bump ...

(3 pages) 0 0 0.0 Nov/2012

Subjects: Science Essays > Earth Sciences