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    Geologic Map of Quaternary and Upper Tertiary Deposits, Tucson 1o x 2o Quadrangle, Arizona

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    ofr-88-21_tucson10x20quad.pdf
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    Author
    Pearthree, P.A.
    McKittrick, M.A.
    Jackson, G.W.
    Demsey, K.A.
    Issue Date
    1988
    Keywords
    Arizona Geological Survey Open File Reports
    Pima County
    Arizona
    Tucson
    Basin and Range
    Ranges
    Annual
    basin
    alluvial deposits
    Upper Tertiary
    geologic map
    Late Tertiary
    Pleistocene
    Holocene
    Quaternary
    San Xavier
    Rincon Mountains
    Little Dragoon Mountains
    Winchester Mountains
    Coronado National Forest
    Galiuro Mountains
    Picacho Mountains
    Santa Cruz River
    San Pedro River
    Tucson Basin
    Tucson Mountains
    Tortolita Mountains
    Santa Catalina Mountains
    oxidized soils
    soil horizon
    stream terrace
    floodplain
    Fanglomerate
    alluvial fan
    pediment
    piedmont
    channel deposits
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    Citation
    Pearthree, P.A., McKittrick, M.A., Jackson, G.W. and Demsey, K.A., 1988, Geologic Map of Quaternary and Upper Tertiary Deposits, Tucson 1o x 2o Quadrangle, Arizona. Arizona Geological Survey Open File Report, OFR-88-21, 1 map sheet, map scale 1:250,000.
    Description
    The Tucson 1o x 2o quadrangle exhibits a wide variety of basin landforms and late Cenozoic surficial geologic deposits. Several factors contribute to this diversity. The Tucson quadrangle spans the transition between the relatively low ranges and typically undissected basins of south-central Arizona and the higher ranges and typically dissected basins of southeastern Arizona. Dissected basins have been dominated by base-level lowering of axial streams and their tributaries, while undissected basins have had relatively stable base-levels. The higher ranges of the eastern half of the quadrangle receive more precipitation due to orographic lifting of moist air. This Is superimposed on a distinct regional climatic gradient, with increasing annual precipitation and cooler annual temperatures from west to cast across the quadrangle. Lithologies vary dramatically both within mountain ranges and between ranges; in some cases, rock type appears to profoundly affect piedmont evolution. Scale 1:250,000
    URI
    http://hdl.handle.net/10150/629114
    Additional Links
    http://repository.azgs.az.gov/uri_gin/azgs/dlio/890
    Language
    en
    Series/Report no.
    OFR-88-21
    Rights
    Arizona Geological Survey. All rights reserved.
    Collection Information
    Documents in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact azgs-info@email.arizona.edu.
    North Bounding Coordinate
    33
    South Bounding Coordinate
    32
    West Bounding Coordinate
    -112
    East Bounding Coordinate
    -110
    Collections
    AZGS Document Repository
    AZGS Document Repository
    AZGS Document Repository
    AZGS Document Repository

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