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mods: New interpretations of the stratigraphy and sedimentology of uppermost Jurassic to lowermost Upper Cretaceous strata in the San Juan Basin of northwestern New Mexico Jurassic and Cretaceous strata, New Mexico and Colorado X-ray diffraction studies of the <2-[mu]m fraction from the upper part of the brushy basin member of the Upper Jurassic Morrison formation and the Lower Cretaceous Burro Canyon formation in the four corners area, Colorado Aubrey, William M. creator author. Skipp, Gary author. Geological Survey (U.S.) issuing body. text bibliography vau 1992 monographic eng remote 1 online resource (iv, 17 pages, iii, 11 pages, 2 pages of plates) : illustrations, maps. by William M. Aubrey. X-ray diffraction studies of the <2-[mu]m fraction from the upper part of the Brushy Basin Member of the Upper Jurassic Morrison Formation and the Lower Cretaceous Burro Canyon Formation in the Four Corners area, Colorado / by Gary Skipp and W.M. Aubrey. Title from title screen (viewed Aug. 20, 2014). Includes bibliographical references. n-us-co n-us-nm n-usp-- Geology San Juan Basin (N.M. and Colo.) Geology, Stratigraphic Cretaceous Geology, Stratigraphic Jurassic Sedimentary basins Colorado Sedimentary basins New Mexico Morrison Formation San Juan Basin (N.M. and Colo.) Cretaceous Geologic Period Geology Geology, Stratigraphic Jurassic Geologic Period Sedimentary basins Colorado New Mexico United States Morrison Formation United States San Juan Basin From 65 to 190 million years ago fast I 19.3:1808-J-K I 19.3:1808-J-K New interpretations of the stratigraphy and sedimentology of uppermost Jurassic to lowermost Upper Cretaceous strata in the San Juan Basin of northwestern New Mexico Aubrey, William M. (DLC) 91015785 (OCoLC)23694030 Evolution of sedimentary basins--San Juan Basin ; ch. J-K U.S. Geological Survey bulletin ; 1808-J-K https://purl.fdlp.gov/GPO/gpo66492 COP 140829 20211120173947.0 in00003776562 eng