Abstract
Some mechanisms by which high angle, dip-slip fault zones in crystalline basement propagate into overlying sedimentary rocks are presented. The study was conducted on a segment of the Uncompahgre Uplift in western Colorado where uplift occurred along faults in the Precambrian basement during Laramide deformation. The basement in this area is composed predominately of granite and gneiss. The structure was mapped at a 1:1000 scale covering an area of about two km2. This study focuses on the deformation of the Chinle Formation (Triassic), composed of siltstones and shales, which lays directly on the basement, and the overlying, massive aeolian Wingate Sandstone (Triassic).
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© 1998 Springer Science+Business Media Dordrecht
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Boldt, L.A. (1998). Propagation of High Angle, Dip-Slip Basement Fault Zones Into Overlying Sedimentary Rocks. In: Hogan, J.P., Gilbert, M.C. (eds) Basement Tectonics 12. Proceedings of the International Conferences on Basement Tectonics, vol 6. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5098-9_15
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DOI: https://doi.org/10.1007/978-94-011-5098-9_15
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6141-4
Online ISBN: 978-94-011-5098-9
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