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The AAPG/Datapages Combined Publications Database
Wyoming Geological Association
Abstract
Pre-Thrusting Basin Morphology: Influence on Geochemical "Fairways" and Subsequent Thrust Deformations in the Wyoming-Idaho Thrustbelt
Abstract
Nearly all of us, inadvertently, visualize the emplacement of thrusts in a relatively undeformed, flatlying sequence of layered rocks. In reality, the Wyoming-Idaho pre-thrust basin morphology influenced both the geochemical fairways and the subsequent thrust belt "details". These "details" include the positioning and size of lateral ramps, leading-edge ramps, and some of the cross-strike discontinuities for many of the thrust plates in the area.
If we desire to lower the risk of exploration in these highly complex terranes we need a relatively detailed understanding of the map distribution of these geochemical fairways, and the map positions of "causes" for localization of ramp segments and cross-strike discontinuities.
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