Visualization of the incremental magma growth related to porphyry copper deposits obtained with numerical modeling

Korges, Maximilian; Weis, Philipp; Andersen, Christine;

2023 || GFZ Data Services

Porphyry copper deposits provide most of the world’s, half its molybdenum reserves and are resources for Zn, Pb, Au, and Ag. The porphyry mineralization is inferred to form on time scales between 50 and 100kyrs whereby the mineralization forming magma chamber is generally built up by multiple intrusive events. The overall source magmatic system can be active for several millions of years. We used the Complex System Modeling Platform (CSMP++) to simultaneously model sill injection, heat transfer, the release of metal-bearing magmatic fluids, the multi-phase flow of saline hydrothermal fluids, and dynamic permeability variations with a continuum porous medium approach. Our modeling studies the volumetric injection rate and its impact on the growth of the magma chamber and the Cu-ore shell but also investigates the influence of hydrothermal convection and fluid release. The setup of each modeling run is changed slightly, either by changing the influx rate, changing the geometry of the magma chamber, or changing the location of fluid release. CSMP was modified to produce vtk and vtu files every 100 years which were read into the Paraview 4.3.1 software to perform the post-processing (including the calculation of the copper enrichment factor and the pore fluid factor). Paraview was then used to produce the displayed videos.

Originally assigned keywords

Corresponding MSL vocabulary keywords

MSL enriched keywords

MSL enriched sub domains
  • analogue modelling of geologic processes
  • geochemistry
  • rock and melt physics
Source http://dx.doi.org/10.5880/fidgeo.d.2023.001
Source publisher GFZ Data Services
DOI 10.5880/fidgeo.d.2023.001
Authors
  • Weis, Philipp
  • 0000-0001-8912-0735
  • GFZ German Research Centre for Geosciences, Potsdam, Germany;
  • Andersen, Christine
  • 0000-0003-4127-2216
  • GFZ German Research Centre for Geosciences, Potsdam, Germany;
Contributors
  • Korges, Maximilian
  • ContactPerson
  • 0000-0002-1848-4408
  • University of Potsdam, Potsdam, Germany;
  • Weis, Philipp
  • ProjectLeader
  • 0000-0001-8912-0735
  • GFZ German Research Centre for Geosciences, Potsdam, Germany;
  • Andersen, Christine
  • ProjectMember
  • 0000-0003-4127-2216
  • GFZ German Research Centre for Geosciences, Potsdam, Germany;
  • Korges, Maximilian
  • ContactPerson
  • University of Potsdam, Potsdam, Germany;
References
  • Korges, M., Weis, P., & Andersen, C. (2020). The role of incremental magma chamber growth on ore formation in porphyry copper systems. Earth and Planetary Science Letters, 552, 116584. https://doi.org/10.1016/j.epsl.2020.116584
  • 10.1016/j.epsl.2020.116584
  • IsSupplementTo
Contact
  • Korges, Maximilian
  • University of Potsdam, Potsdam, Germany;
  • Korges, Maximilian
  • University of Potsdam, Potsdam, Germany;
Citation Korges, M., Weis, P., & Andersen, C. (2023). Visualization of the incremental magma growth related to porphyry copper deposits obtained with numerical modeling [Data set]. GFZ Data Services. https://doi.org/10.5880/FIDGEO.D.2023.001