The New Encyclopaedia Britannica: A - K.Encyclopaedia Britannica, 2005 |
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Page 264
... natural gas . Natural gas refers collectively to the various gaseous hydrocarbons generated below the Earth's surface and trapped in the pores of sedimen- tary rocks . Major natural gas varieties , include methane , ethane , propane ...
... natural gas . Natural gas refers collectively to the various gaseous hydrocarbons generated below the Earth's surface and trapped in the pores of sedimen- tary rocks . Major natural gas varieties , include methane , ethane , propane ...
Page 488
... natural or applied sciences , or sometimes with both . Some approach their collections historically , as do museums of natural history or muse- ums of the history of science and technology , the latter being concerned with scientific ...
... natural or applied sciences , or sometimes with both . Some approach their collections historically , as do museums of natural history or muse- ums of the history of science and technology , the latter being concerned with scientific ...
Page 969
A - K. Decline of nomadism Oil and natural gas Export of natural gas Trans- Saharan roads Local govern- ment. late 1970s . Muslim radicals have periodically clashed with left - wing students and emancipated womens ' groups , while ...
A - K. Decline of nomadism Oil and natural gas Export of natural gas Trans- Saharan roads Local govern- ment. late 1970s . Muslim radicals have periodically clashed with left - wing students and emancipated womens ' groups , while ...
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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