The New Encyclopædia Britannica, Volume 16Encyclopaedia Britannica, 1981 - Encyclopedias and dictionaries |
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Page 497
... relative dating is possible without knowledge of absolute age occurs when the se- quence of notable happenings to which dating ... relatively dated in geological problems . Determination of sequence . Relative geological dating focusses ...
... relative dating is possible without knowledge of absolute age occurs when the se- quence of notable happenings to which dating ... relatively dated in geological problems . Determination of sequence . Relative geological dating focusses ...
Page 506
... relatively short - term process active only during a metamorphic event . The escape of helium is also significant . Derived from alpha particles , helium accumulates within a uranium mineral in a time - dependent manner similar to lead ...
... relatively short - term process active only during a metamorphic event . The escape of helium is also significant . Derived from alpha particles , helium accumulates within a uranium mineral in a time - dependent manner similar to lead ...
Page 545
... relatively large size and do not molt again after becom- ing sexually mature . In Carcinus , which may molt and grow indefinitely , the copulatory appendages appear and the animal reaches sexual maturity after the molt of puberty . In ...
... relatively large size and do not molt again after becom- ing sexually mature . In Carcinus , which may molt and grow indefinitely , the copulatory appendages appear and the animal reaches sexual maturity after the molt of puberty . In ...
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19th century Africa American animals areas became bee-eaters cells centimetres central centre century Church collagen conifers connective tissue conodonts conservation conservatism constitution continental continental drift copper Coraciiformes coral cosmic rays countries court covenant Cretaceous Crete cricket crime criminal Cro-Magnon crocodiles Crusade cultural deposits disease early Earth economic effect energy England Europe federal forest fossil France French function genera geosynclines groups hoopoes hornbills illus important industrial Iráklion island King known land later Le Corbusier legislation major ment metres minerals modern natural North Nyssaceae occur ocean Ordovician organized original Parliament particles party percent period plants political pollution population problems protection reefs region result River rock Roman Saladin sediments social South Soviet species structure theory tion town trade traditional trees tropical trouvères Union United usually western