Download or read book Perspectives on the Eastern Margin of the Cretaceous Western Interior Basin written by George W. Shurr and published by Geological Society of America. This book was released on 1994 with total page 271 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contains papers on cretaceous rocks in the northern Rocky Mountains, the Great Plains region, the Gulf Coastal Plain of eastern Alabama, and southwestern Minnesota; the Dakota formation; evolutionary and paleological implications of fossil plants from the lower cretaceous Cheyenne sandstone; and fau

Download or read book Cretaceous Stratigraphy and Sedimentation in Northwest Iowa Northeast Nebraska and Southeast South Dakota written by Robert L. Brenner and published by . This book was released on 1981 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Purpose to establish the present structural configuration of the Cretaceous rocks in the central midcontinent region.

Download or read book Iowa s Geological Past written by Wayne I. Anderson and published by University of Iowa Press. This book was released on 1998 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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-date and well-informed account of the state's vast geological history from the Precambrian through the end of the Great Ice Age. Anderson takes us on a journey backward into time to explore Iowa's rock-and-sediment record. In the distant past, prehistoric Iowa was covered with shallow seas; coniferous forests flourished in areas beyond the continental glaciers; and a wide variety of animals existed, including mastodon, mammoth, musk ox, giant beaver, camel, and giant sloth. The presence of humans can be traced back to the Paleo-Indian interval, 9,500 to 7,500 years ago. Iowa in Paleozoic time experienced numerous coastal plain and shallow marine environments. Early in the Precambrian, Iowa was part of ancient mountain belts in which granite and other rocks were formed well below the earth's surface. The hills and valleys of the Hawkeye State are not everlasting when viewed from the perspective of geologic time. Overall, Iowa's geologic column records an extraordinary transformation over more than three billion years. Wayne Anderson's profusely illustrated volume provides a comprehensive and accessible survey of the state's remarkable geological past.

Download or read book The Geology and Paleontology of the Late Cretaceous Marine Deposits of the Dakotas written by James E. Martin and published by Geological Society of America. This book was released on 2007-01-01 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Water resources Investigations Report written by and published by . This book was released on 1997 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Rocky Mountain Section of the Geological Society of America written by Stanley S. Beus and published by Geological Society of America. This book was released on 1987 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Hydrogeology of the Split Rock Creek Aquifer with Emphasis on Calibration of a Numerical Flow Model written by Larry D. Putnam and published by . This book was released on 1998 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Bibliography and Index of Geology written by and published by . This book was released on 1990 with total page 1516 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Hydrogeology of the Split Rock Creek Aquifer with Emphasis on Calibration of a Numerical Flow Model Southeast Minnehaha County South Dakota written by Larry D. Putnam and published by . This book was released on 1998 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Hydrology of the Alluvial Buried Channel Basal Pleistocene and Dakota Aquifers in West central Iowa written by Donna L. Runkle and published by . This book was released on 1985 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Catalog of Publications written by Iowa. Department of Natural Resources. Geological Survey Bureau and published by . This book was released on 1994 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Biostratigraphy and Paleoecology of Mid Cretaceous Sedimentary Rocks Eastern Utah and Western Colorado written by Richard Edmond Carroll and published by . This book was released on 1992 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Paleotectonics and Sedimentation in the Rocky Mountain Region United States written by James A. Peterson and published by . This book was released on 1986 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: