Topic:
Earth Crust Composition
Not finding your answer? Try searching the web for
Earth Crust Composition
Answers to Common Questions
The core of the Earth is made of a mixture of nickel and iron; the inner core is solid and the outer core is liquid. These metals sank to the core because they are of denser material than the surrounding mantle, which is composed mainly of ...
Earth is considered to have differentiated from an aggregate of planetesimals into its core, mantle and crust within about 100 million years of the formation of the planet, 4.6 billion years ago. The primordial crust was very thin, and was ...
http://ourworld.compuserve.com/homepages... Read this! it is very informative.
Answers to Other Common Questions
The earth's crust is largely 2 types of rock basalt and granite The core is mostly iron and nickel
http://answers.yahoo.com/question/index?qid=20090922115...
Because of their lighter nature, the crust of our planet is formed mainly from silicon and oxygen, in the form of silicates and occurring as silicate rocks. Silicate minerals are abundant in all three rock types (igneous, metamorphic, and s...
http://wiki.answers.com/Q/What_is_the_composition_of_th...
The crust is the outermost chemical layer of the Earth, composed of oceanic crust and continental crust.
http://wiki.answers.com/Q/Which+is+the+biggest+of+the+e...
The rare earth elements are 17 proper elements, consisting of scandium, yttrium and the fifteen lanthanoids.
http://wiki.answers.com/Q/What+is+an+example+of+Rare+ea...
The Rare Earth Elements include the Lanthanides and Actinides, at the bottom of the periodic table. Further Details: The Rare Earth Elements: Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosiu...
http://www.ask.com/web?q=what%20is%20made%20out%20of%20...