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    Mesozoic Through Early Tertiary Sedimentational and Tectonic Patterns of Northeast Sonora and Southeast Arizona

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    Author
    Keith, S.B.
    Longoria, F.
    Bilodeau, W.L.
    Issue Date
    1981
    Keywords
    Arizona Geological Survey Open File Reports
    cretaceous
    Tertiary
    Mesozoic
    Agua Prieta
    Arizona
    Sonora
    Metamorphic
    plutonic
    igneous rock
    volcanic
    sediment
    Tectonic Patterns
    Field Trip Guide
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    Citation
    Keith, S.B., Longoria, F., and Bilodeau, W.L., 1981, Mesozoic Through Early Tertiary Sedimentational and Tectonic Patterns of Northeast Sonora and Southeast Arizona. Arizona Geological Survey Open File Report, OFR-81-03, 143 p.
    Description
    The region under consideration (Figure 1) lies within the Cabullona Basin of northeast Sonora. It is located south of the towns of Agua Prieta and Naco. The region covers an area of approximately 1850 square kilometers. Physiographically, the Agua Prieta region lies within the Basin and Range Province of northeast Sonora. The rocks exposed in the area are predominantly sedimentary rocks, although volcanic and plutonic and metamorphic rocks, are locally abundant (Figure 2). The Agua Prieta Area plays an important role in the paleotectonic interpretation of SE Arizona and NE Sonora. In general, the structural evolution of the region is poorly known and controversial. Pioneer field studies in the Agua Prieta region by Taliaferro (1933), Imlay (1939), and King (1934); as well as in adjacent areas by Ransome (1904) and Willson (1934) demonstrated that this region displays several structural and stratigraphic features that deserve more investigation. Recent studies by Rangin (1977) into late Cretaceous - early Tertiary tectonics of the Northern part of Sonora (Figure 2) suggested superimposed deformations and southwest directed thrusting in the Cabullona Basin. Paleontologic studies by Gamper and Longoria (1980) have shown that the Lower Cretaceous rocks of NE Sonora are predominantly open marine deposits, locally rich in planktonic foraminifera. Nevertheless, much remains to be learned about the tectonic evolution of the whole area.
    URI
    http://hdl.handle.net/10150/629498
    Additional Links
    https://library.azgs.arizona.edu/
    Language
    en
    Series/Report no.
    OFR-81-03
    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
    32.568
    South Bounding Coordinate
    29.9577
    West Bounding Coordinate
    -112.214
    East Bounding Coordinate
    -109.028
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