The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 389
... sand dunes , and large areas of south- ern South Australia and Western Australia are covered by fields of fixed dunes . Actively developing and moving sand ridges occupy the Canning Basin ( the Desert Basin ) , the Great Victoria Desert ...
... sand dunes , and large areas of south- ern South Australia and Western Australia are covered by fields of fixed dunes . Actively developing and moving sand ridges occupy the Canning Basin ( the Desert Basin ) , the Great Victoria Desert ...
Page 779
... sand is activated in a nuclear reactor and then poured out onto the bottom . A Geiger counter is trailed across this zone at regular intervals . This fixes the fre- quency of the radioactive impulses at each spot and along the profile ...
... sand is activated in a nuclear reactor and then poured out onto the bottom . A Geiger counter is trailed across this zone at regular intervals . This fixes the fre- quency of the radioactive impulses at each spot and along the profile ...
Page 781
... sand beach there are thin layers of dark sand that can be seen . Some heavy minerals contain valuable metals , such as ti- tanium , zirconium , germanium , tin , uranium , and gold . In many places the concentrations are so great that ...
... sand beach there are thin layers of dark sand that can be seen . Some heavy minerals contain valuable metals , such as ti- tanium , zirconium , germanium , tin , uranium , and gold . In many places the concentrations are so great that ...
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aesthetic ancient appear areas arms artists aschelminths Asia Asian associated atmosphere atoms become body called Central centre century changes China continued countries criticism culture early Earth East economic effect electrons elements energy example exist field forces France function Games groups head human important increase India individual industrial influence Italy Japan known later less light lines living lower major mass means ment metres military mountain nature North objects observations occur organization original painting particular percent period physical Pleistocene political population position possible practice present produced radiation range region relatively remains represent result schools social society sometimes sources South Soviet species stars structure style surface temperature theory tion traditional types United usually various West western