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    Geologic Map of a Portion of the Silicified Mescal Paleokarst, Northern Sierra Ancha, Central Arizona, v. 1.0

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    DGM-27map.pdf
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    DGM-27overview.pdf
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    Author
    Skotnicki, Steven J.
    Issue Date
    2002
    Keywords
    Arizona Geological Survey Digital Geologic Maps
    Fort Apache Indian Reservation
    Tonto National Forest
    Gila County
    Navajo County
    Oak Creek Ranch
    Chediski Peak
    Gentry Mountain
    Parallel Canyon
    limestone
    paleokarst
    Mescal Formation
    surficial geology
    bedrock geology
    digital geologic map
    digital cartography
    Paleozoic
    Middle Proterozoic
    Devonian
    Mississippian
    Permian
    Pleistocene
    Holocene
    Dripping Spring Quartzite
    Troy Quartzite
    Diabase
    Martin Formation
    Redwall Formation
    landslide deposits
    Naco Formation
    erosion surface
    microfossils
    chert
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    Citation
    Skotnicki, Steven J., 2002, Geologic Map of a Portion of the Silicified Mescal Paleokarst, Northern Sierra Ancha, Central Arizona: Arizona Geological Survey Digital Geologic Map DGM-27, version 1.0, map scale 1:24,000.
    Publisher
    Arizona Geological Survey (Tucson, AZ)
    Description
    This map was modified from a map originally included as part of Steve Skotnicki's Ph.D. dissertation at Arizona State University. Purpose: Paul Knauth and his students have studied the cherts within the erosion surface at the top of the Mescal Limestone for many years. Along with Bob Horodyski, Paul co-discovered what may be the oldest known terrestrial microfossils entombed within the chert (Horodyski and Knauth, 1994) and subsequently enlisted Steve to decipher the stratigraphy and petrology of these cherts. The goal was to try to unravel the sequence of events that led to their formation, in an effort to better understand life on land in the Precambrian. As a result Paul helped to support this research during parts of two summers through a NASA Exobiology Grant #NAG5-4060.
    URI
    http://hdl.handle.net/10150/630910
    Additional Links
    https://library.azgs.arizona.edu/item/ADGM-1552430338431-485
    Language
    en
    Series/Report no.
    DGM-27
    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
    34.167
    South Bounding Coordinate
    34
    West Bounding Coordinate
    -110.875
    East Bounding Coordinate
    -110.667
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