The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 265
... metamorphic processes may also occur there . Mantle rocks are seldom observed at the surface because they are too dense to rise , but occasionally a glimpse is presented by their inclusion in volcanic materials . Such rocks may ...
... metamorphic processes may also occur there . Mantle rocks are seldom observed at the surface because they are too dense to rise , but occasionally a glimpse is presented by their inclusion in volcanic materials . Such rocks may ...
Page 271
... metamorphic rocks to become laminated , and the separate laminae may have distinct chemical compositions . A macroscopically rather homogeneous sediment may prove to be inhomoge- neous on a minute scale . When graywackes are metamor ...
... metamorphic rocks to become laminated , and the separate laminae may have distinct chemical compositions . A macroscopically rather homogeneous sediment may prove to be inhomoge- neous on a minute scale . When graywackes are metamor ...
Page 278
... rocks quite like those in modern sedimentary belts of the Pacific margin or European Alps . These rocks are frequently metamorphosed in the greenschist , amphib- olite , and ... metamorphic rocks . Some- times. 278 Minerals and Rocks.
... rocks quite like those in modern sedimentary belts of the Pacific margin or European Alps . These rocks are frequently metamorphosed in the greenschist , amphib- olite , and ... metamorphic rocks . Some- times. 278 Minerals and Rocks.
Common terms and phrases
albite amphiboles ancient aragonite areas atoms basalt bivalves body calcite calcium called carbonate central centre century cephalopods chemical clay minerals colour common composition contain crust crystals ctenidia cult cultural deities deposits developed dolomite Earth economic eggs electron evaporite example existence facies feldspar Figure garnet gastropods goddess gods grains Hittite human igneous rocks important industrial kaolinite king known layers limestone magma magnetic major mantle cavity marine material mental metamorphic rocks metaphysics Mexican Mexico City mica Michelangelo microscope millimetres Milton mimicry mind Mineralogy modern Molière Mongolia Mongols Moscow myth nature object occur ocean olivine organic originally oxide percent period philosophers physical plagioclase political population pressure produced properties pyroxene quartz reaction region religion religious reprinted result sandstones sedimentary rocks sediments shell silicate smectite snails society species structure Sumerian surface temperature temple tetrahedrons texture tion typically United urban volcanic