Iowa's geological past : three billion years of earth history / Wayne I. Anderson.

Format:

Book

Author/Creator:

Anderson, Wayne I., 1935-

Series:

Bur oak original.

A bur oak original

Language:

English

Subjects (All):

Geology--Iowa.

Geology.

Physical Description:

1 online resource (440 p.)

Edition:

1st ed.

Place of Publication:

Iowa City : University of Iowa Press, c1998.

Language Note:

English

Summary:

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 gi

Contents:

Contents; 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

Notes:

Description based upon print version of record.

Includes bibliographical references (p. [385]-414) and index.

ISBN:

9781587292675

158729267X

OCLC:

712059605