Evidence from Lateral Variation in Stable Isotopes in Paleosols of the Siwalik Group, Northern Pakistan
The structure and rate of late Miocene expansion of C4 plants: Evidence from lateral variation in stable isotopes in paleosols of the Siwalik Group, northern Pakistan Anna K. Behrensmeyer* Department of Paleobiology, MRC 121, National Museum of Natural History, Smithsonian Institution, P.O. Box 37012, Washington, DC 20013-7012, USA Jay Quade Dept. of Geosciences and the Desert Laboratory, University of Arizona, Tucson, Arizona 85721, USA Thure E. Cerling Dept. of Geology and Geophysics, University of Utah, Salt Lake City, Utah 84112, USA John Kappelman The University of Texas at Austin, Department of Anthropology, University Station C3200, Austin, Texas 78712, USA Imran A. Khan Deputy Director General, Geological Survey of Pakistan, Jauhar Town, Phase–II, Lahore, Pakistan Peter Copeland Department of Geosciences, University of Houston, Houston, Texas 77204, USA Lois Roe 907 Eton Way, Neptune, New Jersey 07753, USA Jason Hicks Denver Museum of Nature and Science, 2001 Colorado Blvd., Denver, Colorado 80205, USA Phoebe Stubblefi eld Forensic Science Department, Babcock Hall, Room 208, University of North Dakota, Grand Forks, North Dakota 58202, USA Brian J. Willis Shallow Marine Stratigraphy, Chevron Energy Technology Company, 1500 Louisiana St., Houston, Texas 77002, USA Claudio Latorre CASEB-Departamento de Ecología, Pontifi ca Universidad Católica de Chile, Santiago 114-D and Institute of Ecology & Biodiversity, Las Palmera 3425, Santiago, Chile ABSTRACT buried soil carbonates in Siwalik Series sedi- channel fi ll, crevasse-splay, and fl
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