The New Encyclopædia Britannica, Volume 19Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 5
Page 296
... graywackes . ( Left ) Interbedded shales and graywackes , Lower Silurian Aberystwyth Grits , Wales . ( Centre ) Bed of very coarse Upper Cambrian graywacke , showing graded bedding and load casting , Denison Range , Tasmania . ( Right ) ...
... graywackes . ( Left ) Interbedded shales and graywackes , Lower Silurian Aberystwyth Grits , Wales . ( Centre ) Bed of very coarse Upper Cambrian graywacke , showing graded bedding and load casting , Denison Range , Tasmania . ( Right ) ...
Page 297
... Graywackes ( percent ) A * Bt C ‡ ᎠᏜ E FI Go > 2 SiO 2 54.63 TiO 2 1.11 > 4 Al2O3 15.69 percentage Fe2O3 1.65 1.60 1.2 66.75 70.0 86.58 0.63 0.5 13.54 13.4 6.78 1.08 54.20 66.88 66.30 1.31 0.57 0.47 per percent of the area of 50 % the ...
... Graywackes ( percent ) A * Bt C ‡ ᎠᏜ E FI Go > 2 SiO 2 54.63 TiO 2 1.11 > 4 Al2O3 15.69 percentage Fe2O3 1.65 1.60 1.2 66.75 70.0 86.58 0.63 0.5 13.54 13.4 6.78 1.08 54.20 66.88 66.30 1.31 0.57 0.47 per percent of the area of 50 % the ...
Page 298
... Graywackes rich in quartz commonly lack the highly unstable detritus present in volcanic lithic graywackes . Diagenetic modification is therefore less dramatic and probably occurs at somewhat lower temperature for a given depth of ...
... Graywackes rich in quartz commonly lack the highly unstable detritus present in volcanic lithic graywackes . Diagenetic modification is therefore less dramatic and probably occurs at somewhat lower temperature for a given depth of ...
Other editions - View all
Common terms and phrases
animals army Austria basins Bavaria became Berlin BIBLIOGRAPHY British central centre century Christian church cities clubs colour cultural Democrats deposits dialects early East eastern economic El Greco elected electors Emperor empire English Europe Federal force France Frederick French Frisian German Germany's germfree geyser Ghana glacial glacier glass Gnostic Goethe gold golf grammar grasslands gravitational graywackes Greece Greek Habsburg Icelandic imperial important industry Italy king known Lake land language later major mass ment metres modern mountain Netherlandic Old Frisian Old Norse origin painting Party percent period player Pleistocene political population princes produced Proto-Germanic Proto-Indo-European Prussia reform regions Reich Republic Rhine River rock Roman Saxony social soil sources Soviet species surface temperature territorial tion traditional trans U.S. Open United valley vowels West Germany western