The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 14
... North America formed at this time . Late Paleozoic geosynclines and shelves . In North America , after the Devonian , the eugeosynclinal part of the Appalachian Geosyncline ended . The north part of the geosyncline divided into three ...
... North America formed at this time . Late Paleozoic geosynclines and shelves . In North America , after the Devonian , the eugeosynclinal part of the Appalachian Geosyncline ended . The north part of the geosyncline divided into three ...
Page 15
... North America , for example , Cretaceous and younger formations rest on a smoothly bevelled platform of folded and metamorphosed Paleozoic formations . Triassic stratigraphy and paleogeography . Geosyn- clines generally were more ...
... North America , for example , Cretaceous and younger formations rest on a smoothly bevelled platform of folded and metamorphosed Paleozoic formations . Triassic stratigraphy and paleogeography . Geosyn- clines generally were more ...
Page 18
... North America small deep basins formed during the Cenozoic ( e.g. , the Los Angeles and Ventura basins ) and became filled with sediments several miles thick . During the Cenozoic , the Mesozoic granite batholith of the Sierra Nevada ...
... North America small deep basins formed during the Cenozoic ( e.g. , the Los Angeles and Ventura basins ) and became filled with sediments several miles thick . During the Cenozoic , the Mesozoic granite batholith of the Sierra Nevada ...
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activity Africa agriculture America became become body called capital caused central centre century changes Christian Church continued core countries cultural demand direction early Earth East Eastern eclipse economic effect established Europe example feet field Figure flow force groups growth important income increase industry internal investment Italy kilometres known labour Lake land later less living magnetic major mantle material means measurements ment metres miles mountains move movement nature North observed occur ocean organization origin Orthodox patriarch percent period planning Pleistocene political population position possible present problems production region relatively remained result rise River rocks social society South species structure surface theory tion trade traditional United West Western