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Fracturing and dome-shaped surface displacements above laccolith intrusions: Insights from Discrete Element Method modeling
  • +3
  • Alexandra Morand,
  • Sam Poppe,
  • A Cornillon,
  • C Harnett,
  • M Heap,
  • D Mège
Alexandra Morand
Centrum Badań Kosmicznych Polskiej Akademii Nauk (CBK PAN)

Corresponding Author:

Sam Poppe
Centrum Badań Kosmicznych Polskiej Akademii Nauk (CBK PAN)

Corresponding Author:[email protected]

Author Profile
A Cornillon
Centrum Badań Kosmicznych Polskiej Akademii Nauk (CBK PAN), Département de Géosciences, École Normale Supérieure, PSL Université
C Harnett
UCD School of Earth Sciences, UCD University College Dublin
M Heap
Institut Terre et Environnement de Strasbourg, UMR 7063, Université de Strasbourg, CNRS, Institut Universitaire de France (IUF)
D Mège
Centrum Badań Kosmicznych Polskiej Akademii Nauk (CBK PAN)

Abstract

• We present a two-dimensional Discrete Element Method model that simulates host rock fracturing during the inflation of a magmatic laccolith. • The host rock toughness and stiffness along with source depth control spatial fracture distribution between two end-members. • At a constant injection rate, the vertical displacement maximum and lateral extent show sudden changes in response to host rock fracturing.
24 May 2024Submitted to ESS Open Archive
28 May 2024Published in ESS Open Archive