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Structural Evolution of Salt-Influenced Fold-and-Thrust belts: A Synthesis and New Insights From Basins Containing Isolated Salt Diapirs
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Abstract
Lateral shortening is expressed in unique ways in salt basins, especially if pre-shortening diapirs are present. We present an overview and new 3-D conceptual models capturing the evolution of shortening structures formed in salt provinces dominated by precursor isolated diapirs (termed isolated-diapir provinces). In such provinces, isolated diapirs form only a minor volumetric component of a sedimentary basin, however, due to the relative weakness of rock salt and their ability to localize strain, during shortening they have a disproportionately large influence on structural development.
We find three key mechanical principles govern th... more
DOI
https://doi.org/10.31223/osf.io/nd7et
Subjects
Earth Sciences, Physical Sciences and Mathematics, Tectonics and Structure
Keywords
salt tectonics, shortening, Gulf of Mexico, diapirs, Zagros, fold-and-thrust belts, physical modelling, welds
Dates
Published: 2018-04-30 19:20
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