The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 293
... fossil ( related to former climatic regimes ) , and many within these limits also are fossil . Ages determined by stratigraphic or radiometric methods are as great as 50,000 , - 000 years in western Africa and more than 23,000,000 years ...
... fossil ( related to former climatic regimes ) , and many within these limits also are fossil . Ages determined by stratigraphic or radiometric methods are as great as 50,000 , - 000 years in western Africa and more than 23,000,000 years ...
Page 394
... fossil organism content of various geologic formations and noted that certain rock layers are composed of such single - cell fossils . Ehrenberg advanced the view that all ani- mals , from the most minute to the largest , possess ...
... fossil organism content of various geologic formations and noted that certain rock layers are composed of such single - cell fossils . Ehrenberg advanced the view that all ani- mals , from the most minute to the largest , possess ...
Page 873
... fossil record that makes them useful as index fossils in geological dat- ing and in petroleum exploration . The word foraminiferan does not refer to the external pores found in some species but to the foram- ina ( openings or apertures ) ...
... fossil record that makes them useful as index fossils in geological dat- ing and in petroleum exploration . The word foraminiferan does not refer to the external pores found in some species but to the foram- ina ( openings or apertures ) ...
Contents
14 written for Catherine the Great Observations | 14 |
Consult the INDEX first | 581 |
Didius Julianus marble bust in | 703 |
Copyright | |
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19th century American ancient animals army artist became began British called centimetres centre chief Christian church colour courtesy death Demosthenes département deuterium developed Dewey Diocletian district Djibouti Donatello Donets Basin Dorgon Douglas drill Druze Duccio Duke earl early east eastern elected Emily Dickinson England English established feet film France French German Greek House important Indian industrial island Italy John king known land later leader London MACROPAEDIA major Marcel Duchamp ment miles modern Museum National northern novel organized original painting Pāli Paris Party plants played poems poet political popular Prince produced published region River Roman Rome Russian served southern species square miles style tion town United University usually W.E.B. Du Bois western World World War II York York City