The stratigraphy and diagenesis of the Lake Valley Formation (Mississippian), San Andres Mountains, New Mexico



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Texas Tech University


Interest in the Lake Valley Formation was first initiated by White (1881) and by Cope (1882 a,b), with the identification of fossil faunas present at Lake Valley, New Mexico, and the subsequent naming of the formation. In the north-south trending San Andres Mountains of south-central New Mexico, along an 85-mile transect, almost continuous outcrops of Mississippian carbonate rocks are exposed. The stratigraphy of these shelfbasin carbonate rocks was first interpreted in the monumental works of Laudon and Bowsher (1941, 1949) and by the later work of Kottlowski £t al^. (1956) . Since the closing to public access of the San Andres Mountains in the 1940's, with the establishment of the White Sands Missile Range, additional studies within the range have been limited. With the special permission received by Dr. Thomas L. De Keyser and this writer, a project was undertaken to study the Devonian and Mississippian Systems of the San Andres Mountains.