The New Encyclopaedia Britannica: Macropaedia : Knowledge in depth |
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Page 240
... crust mantle magma Figure 113 : Collision of a continental plate with an oceanic plate . The oceanic plate is shown subducting below the continental crust . Melting of the crust or of the mantle above the subducting plate occurs only at ...
... crust mantle magma Figure 113 : Collision of a continental plate with an oceanic plate . The oceanic plate is shown subducting below the continental crust . Melting of the crust or of the mantle above the subducting plate occurs only at ...
Page 998
... crust is about four miles . Oceanic plateaus and seamounts are localized areas of abnormally thick oceanic crust that have resulted from submarine volcanism pro- moted by hot jets , or plumes , rising from deep within the Earth's ...
... crust is about four miles . Oceanic plateaus and seamounts are localized areas of abnormally thick oceanic crust that have resulted from submarine volcanism pro- moted by hot jets , or plumes , rising from deep within the Earth's ...
Page 1003
... crust beneath the northern Great Plains was formed . In any given region , relatively thin primeval oceanic crust evolved into thick continental crust over a period of about 50 million years . The repeated melting and resolidification ...
... crust beneath the northern Great Plains was formed . In any given region , relatively thin primeval oceanic crust evolved into thick continental crust over a period of about 50 million years . The repeated melting and resolidification ...
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Anatolia ancient appears areas atoms become body called central centre century changes chemical clay colour common complex composition consists contain continued crystals cuttlefishes deposits developed direction early economic electron example existence experience fact feldspar field Figure given gods grains human igneous important increase individual industrial Italy king known land later layers less light major mantle material means metamorphic metaphysics Mexican Mexico microscope mimicry mind minerals nature object occur organic originally percent period person philosophers physical pigeonite political population position present pressure produced properties quartz range region relatively religion religious represented result rocks sedimentary rocks sediments shell silicate social society species structure surface temperature things thought tion typically United various