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Structures Related to the Emplacement of Shallow-Level Intrusions

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Physical Geology of Shallow Magmatic Systems

Part of the book series: Advances in Volcanology ((VOLCAN))

Abstract

A systematic view of the vast nomenclature used to describe the structures of shallow-level intrusions is presented here. Structures are organised in four main groups, according to logical breaks in the timing of magma emplacement, independent of the scales of features: (1) Intrusion-related structures, formed as the magma is making space and then develops into its intrusion shape; (2) Magmatic flow-related structures, developed as magma moves with suspended crystals that are free to rotate; (3) Solid-state, flow-related structures that formed in portions of the intrusions affected by continuing flow of nearby magma, therefore considered to have a syn-magmatic, non-tectonic origin; (4) Thermal and fragmental structures, related to creation of space and impact on host materials. This scheme appears as a rational organisation, helpful in describing and interpreting the large variety of structures observed in shallow-level intrusions.

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Acknowledgements

This work has been partially funded by Università di Pisa, grant PRA_2016_33 to SR.

Author information

Authors and Affiliations

  1. Norwich University, Northfield, VT, USA

    David Westerman

  2. Dipartimento di Scienze della Terra, Università di Pisa, Via S. Maria 53, Pisa, Italy

    Sergio Rocchi

  3. TU Bergakademie, Freiberg, Germany

    Christoph Breitkreuz

  4. University of Birmingham, Birmingham, UK

    Carl Stevenson

  5. Kingston University, London, UK

    Penelope Wilson

Authors
  1. David Westerman
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  2. Sergio Rocchi
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  3. Christoph Breitkreuz
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  4. Carl Stevenson
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  5. Penelope Wilson
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Corresponding author

Correspondence to Sergio Rocchi .

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Editors and Affiliations

  1. Freiberg University of Mining and Technology, Freiberg, Germany

    Christoph Breitkreuz

  2. Università di Pisa, Pisa, Italy

    Sergio Rocchi

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Westerman, D., Rocchi, S., Breitkreuz, C., Stevenson, C., Wilson, P. (2017). Structures Related to the Emplacement of Shallow-Level Intrusions. In: Breitkreuz, C., Rocchi, S. (eds) Physical Geology of Shallow Magmatic Systems. Advances in Volcanology. Springer, Cham. https://doi.org/10.1007/11157_2017_31

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