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Burial-related Compaction Modifies Intrusion-induced Forced Folds: Implications for Reconciling Roof Uplift Mechanisms using Seismic Reflection Data

Burial-related Compaction Modifies Intrusion-induced Forced Folds: Implications for Reconciling Roof Uplift Mechanisms using Seismic Reflection Data

This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.3389/feart.2019.00037. This is version 2 of this Preprint.

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Authors

Craig Magee , Murray Hoggett, Christopher Aiden-Lee Jackson , Stephen M Jones

Abstract

Space for shallow-level sills and laccoliths is commonly generated by bending and uplift of overlying rock and sediment. This so-called ‘roof uplift’ produces forced folds, the shape and amplitude of which reflect the geometry of underlying intrusions. The surface expression of forced folds can therefore be inverted to constrain intruding magma body properties, whilst ancient forced folds provide a record of sill and laccolith emplacement. Deciphering how shallow-level intrusion translates into roof uplift is thus critical to enhancing our understanding and forecasting of magma emplacement. To-date, emplacement models and surface deformation ...  more

DOI

https://doi.org/10.31223/osf.io/dwjzp

Subjects

Earth Sciences, Geology, Physical Sciences and Mathematics

Keywords

seismic reflection, Sill, Magma, Forced fold

Dates

Published: 2018-11-02 07:09

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License

CC BY Attribution 4.0 International