The New Encyclopaedia Britannica: Macropaedia : Knowledge in depth |
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Page 272
... facies shown in the figure owe their names to differences in their appearance . ( Top left ) Blueschist containing glaucophanitic amphibole ( blue ) , epidote , and albite . ( Top right ) Greenschist composed of green chlorite and ...
... facies shown in the figure owe their names to differences in their appearance . ( Top left ) Blueschist containing glaucophanitic amphibole ( blue ) , epidote , and albite . ( Top right ) Greenschist composed of green chlorite and ...
Page 275
... facies series , reflecting the final stages of subduction of oceanic lithosphere , whereas the younger facies more typically belong to medium - pressure facies se- ries . Metamorphic rocks exposed in former collision zones may thus have ...
... facies series , reflecting the final stages of subduction of oceanic lithosphere , whereas the younger facies more typically belong to medium - pressure facies se- ries . Metamorphic rocks exposed in former collision zones may thus have ...
Page 276
... facies . Rocks of the blueschist facies rep- resent deep metamorphism under conditions of a low thermal gradient . The characteristic locale for this type of metamorphism appears to be along a continental margin being underthrust by an ...
... facies . Rocks of the blueschist facies rep- resent deep metamorphism under conditions of a low thermal gradient . The characteristic locale for this type of metamorphism appears to be along a continental margin being underthrust by an ...
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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