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Full-Text Articles in Social and Behavioral Sciences
Review Of Kansas Geology; An Introduction To Landscapes, Rocks, Minerals, And Fossils Edited By Rex Buchanan, David B. Loope
Review Of Kansas Geology; An Introduction To Landscapes, Rocks, Minerals, And Fossils Edited By Rex Buchanan, David B. Loope
David B. Loope
This volume, intended for readers with little or no background in earth science, delivers not only an excellent summary of the geologic materials of Kansas, but provides many of the clues by which geologists have been able to unravel nearly a half-billion years of the state's prehistory. The first chapter, by Frank Wilson, explains the intimate relationship between bedrock and topography that is so beautifully displayed in Kansas landscapes. The ridges, hills, and cliffs of the southeast are developed on the oldest strata exposed in the state; the High Plains, occupying most of the western third of Kansas, are underlain …
Thinking Like A Dune Field: Geologic History In The Nebraska Sand Hills, David B. Loope, James Swinehart
Thinking Like A Dune Field: Geologic History In The Nebraska Sand Hills, David B. Loope, James Swinehart
David B. Loope
The Nebraska Sand Hills region is a giant dune field that is presently stabilized by prairie vegetation. During numerous severe droughts within the last 15,000 years, the dunes have lost their plant cover and have migrated freely. Wetlands between dunes are extensive in the central Sand Hills and are connected to the High Plains (Ogallala) aquifer. Lakes and wetlands were formed when dunes blocked and deranged stream systems. Evaporation of water from wetlands may benefit adjacent dune vegetation during extended droughts, by locally increasing humidity and rainfall. Buried bison tracks are abundant within the dunes, suggesting that grass and water …