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Playa-lake basins on the Southern High Plains of Texas and New Mexico: Part I. Hydrologic, geomorphic, and geologic evidence for their development

1987; Geological Society of America; Volume: 99; Issue: 2 Linguagem: Inglês

10.1130/0016-7606(1987)99 2.0.co;2

1943-2674

W. R. Osterkamp, Warren W. Wood,

Hydrology and Sediment Transport Processes

Research Article| August 01, 1987 Playa-lake basins on the Southern High Plains of Texas and New Mexico: Part I. Hydrologic, geomorphic, and geologic evidence for their development W. R. OSTERKAMP; W. R. OSTERKAMP 1U.S. Geological Survey, 431 National Center, Reston, Virginia 22092 Search for other works by this author on: GSW Google Scholar WARREN W. WOOD WARREN W. WOOD 1U.S. Geological Survey, 431 National Center, Reston, Virginia 22092 Search for other works by this author on: GSW Google Scholar Author and Article Information W. R. OSTERKAMP 1U.S. Geological Survey, 431 National Center, Reston, Virginia 22092 WARREN W. WOOD 1U.S. Geological Survey, 431 National Center, Reston, Virginia 22092 Publisher: Geological Society of America First Online: 01 Jun 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Geological Society of America GSA Bulletin (1987) 99 (2): 215–223. https://doi.org/10.1130/0016-7606(1987)99 2.0.CO;2 Article history First Online: 01 Jun 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation W. R. OSTERKAMP, WARREN W. WOOD; Playa-lake basins on the Southern High Plains of Texas and New Mexico: Part I. Hydrologic, geomorphic, and geologic evidence for their development. GSA Bulletin 1987;; 99 (2): 215–223. doi: https://doi.org/10.1130/0016-7606(1987)99 2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract Playa-lake basins of the Southern High Plains, Texas and New Mexico, may originate wherever water periodically can collect in a surficial depression. They expand, however, by hydrologic and geomorphic processes including (1) dissolution of lithologic carbonates by infiltrating water; (2) transport downward of fine-grained clastic and organic material by the infiltrating ground water, leading to continuing processes of oxidation and carbonate dissolution in the subsurface; and (3) eolian removal of clastic material from the floor of playa lakes, which at some sites appears to have deepened playa depressions.Evidence for largely hydrologic processes of playa-basin development on the Southern High Plains includes (1) a geographic occurrence restricted to relatively flat areas of the High Plains surface that have poorly developed fluvial drainage and which are underlain by generally unsaturated clastic and calcrete beds; (2) a tendency to occur where water collects and infiltrates, as along ephemeral streams and lineations suggestive of fracture systems; and (3) hydrologic, geochemical, petrographic, and bore-hole data, which suggest that recharge to the High Plains aquifer is principally from playa lakes, that various geochemical changes including carbonate dissolution and enhancement of secondary porosity occur as water moves downward through the unsaturated zone beneath playa lakes, and that calcrete beds often are missing or significantly dissolved beneath playa floors. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.