Crust (geology) - Wikipedia, the free encyclopedia
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In geology, a crust is the outermost solid shell of a rocky planet or moon, which is chemically distinct from the underlying mantle. The crusts of Earth, our Moon, Mercury, Venus, Mars, Io, and othe...
en.wikipedia.org/wiki/Crust_(geology)
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Earth - Wikipedia, the free encyclopedia
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Earth is the third planet from the Sun. It is the fifth largest of the eight planets in the solar system, and the largest of the terrestrial planets (non-gas planets) in the Solar System in terms of ...
en.wikipedia.org/wiki/Earth
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Core: The Earth has a iron-nickel core that is about 2,100 miles in radius. The inner core may have a temperature up to about 13,000°F (7,200°C = 7,500 K), ... Surface and crust: The Earth's surface is composed mostly of water, basalt and granite. Oceans cover about 70% of Earth's surface. These oceans are up to 3.7 km...
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www.enchantedlearning.com/subjects/astronomy/planets/ea...
www.enchantedlearning.com/subjects/astronomy/planets/earth/Inside.shtml
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Below the crust is the mantle, a dense, hot layer of semi-solid rock approximately 2,900 km thick. The mantle, which contains more iron, magnesium, and calcium than the crust, is hotter and denser because temperature and pressure inside the Earth increase with depth.
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pubs.usgs.gov/publications/text/inside.html
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The planet Earth is made up of three main shells: the very thin, brittle crust, the mantle, and the core; the mantle and core ... Between 100 and 200 kilometers below the Earth's surface, the temperature of the rock is near the melting point; molten rock erupted by some volcanoes originates in this region of the mantle.
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pubs.usgs.gov/gip/interior/
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The temperatures of the crust vary from air temperature on top to about 1600 degrees Fahrenheit (870 degrees Celcius) in the deepest parts of the crust.
http://answers.yahoo.com/question/index?qid=20071202144...
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Exploring the Earth's Crust ... The nearby crust of the Earth can be explored in great detail with echo-sounding techniques, a kind of acoustic radar. These methods give images in cross section very similar to hospital sonograms: (J. Louie;
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www.seismo.unr.edu/ftp/pub/louie/class/100/interior.htm...
www.seismo.unr.edu/ftp/pub/louie/class/100/interior.html
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All prices are subject to changes without prior notice. ... * Extra Large sizes are available as single images only. XL, XXL and XXXL image will be available for download within one working day. ... Grant Of License for Comping (Preview) image(s)
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www.inmagine.com/dp031/dp1775022-photo
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Earth and environment ... Google earth ... Earth sciences...
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www.nature.com/nature/journal/v113/n2843/abs/113623a0.h...
www.nature.com/nature/journal/v113/n2843/abs/113623a0.html
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