Iowa's geological past: three billion years of earth history
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Bibliographische Detailangaben
1. Verfasser: Anderson, Wayne I. (VerfasserIn)
Format: Elektronisch E-Book
Sprache:English
Veröffentlicht: Iowa City University of Iowa Press ©1998
Schriftenreihe:Bur oak original
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Beschreibung:Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002
Includes bibliographical references (pages 385-414) and index
Iowa's rock record is the product of more than three billion years of geological processes. The state endured multiple episodes of continental glaciation during the Pleistocene Ice Age, and the last glacier retreated from Iowa a mere (geologically speaking) twelve thousand years ago. Prior to that, dozens of seas came and went, leaving behind limestone beds with rich fossil records. Lush coal swamps, salty lagoons, briny basins, enormous alluvial plains, ancient rifts, and rugged Precambrian mountain belts all left their mark. In Iowa's Geological Past, Wayne Anderson gives us an up-to
Preface; 1. The Geologic Setting of Iowa; 2. Precambrian: The Oldest Rocks; 3. Cambrian: Sandy Marine Shelves and Shorelines; 4. Ordovician: Warm, Shallow Seas; 5. Silurian: Dolomite and Carbonate Mounds; 6. Devonian: A Variety of Marine Deposits; 7. Mississippian: Last of the Widespread Carbonate Seas; 8. Pennsylvanian: Coastal Swamps and Shallow Seas; 9. Mesozoic: Evaporite Deposits and the Last of the Inland Seas; 10. Cenozoic: Erosion Climaxed by the Great Ice Age; 11. Geology and Humankind; References; Index
Beschreibung:1 Online-Ressource (xii, 424 pages)
ISBN:0877456399
0877456402
158729267X
9780877456391
9780877456407
9781587292675

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