Approaches to PaleoecologyJohn Imbrie, Norman Dennis Newell Wiley, 1964 - 432 pagine |
Sommario
The Viewpoint of Paleoecology IMBRIE AND NEWELL | 1 |
Evolution of community structure HEDGPETH | 11 |
Taxonomic basis of paleoecology WHITTINGTON | 19 |
Copyright | |
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abundant adaptive animals appear aragonite associated beds benthonic bottom Bull burrows calcite carbonate causes cement changes characteristic clay communities complex considered contains correlation crystals deposit depth determined distribution dolomite dominant Ecology effect environment environmental evidence example facies factors FATHOMS fauna feeders feeding Figure Foraminifera forms fossil Geol geologic groups growth habitat important increase indicate individuals interpretation Island layer less ligament limestones lines living marine material Mississippi MOBILE nature observed occur oolite organic original outer paleoecology PANAMA particles physical Plate Pleistocene population possible present preservation probably processes production recent record region relationship relatively replacement represented result River Delta rocks samples sand sedimentary sediments shallow shelf shell shown similar skeletal solution SOUND species specimens structures substrate suggests surface Table tion types valves variables zone