Finite element simulations of sill intrusion during tectonic loading
Finite element simulations of sill intrusion during tectonic loading

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Authors

Richard Walker , Simon Gill

Abstract

Igneous sills are common features in tectonically active regions, acting as nascent magma storage systems, or feeding eruptions at large lateral distances from the magma source. Sills reaching a critical radius, rc, relative to their initial depth, H, interact with Earth’s surface, leading to mild discordant growth at angle [theta] typically <10[deg] forming saucer-shaped sills; commonly rc>3H for natural sills. Analogue and numerical models for sills produce saucer shapes where [theta] >10[deg] and rc

DOI

https://doi.org/10.31223/osf.io/849nx

Subjects

Earth Sciences, Geology, Physical Sciences and Mathematics, Tectonics and Structure, Volcanology

Keywords

Dates

Published: 2019-07-05 13:16

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CC BY Attribution 4.0 International

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