Articles | Volume 16, issue 9
https://doi.org/10.5194/se-16-785-2025
© Author(s) 2025. This work is distributed under
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the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/se-16-785-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
05 Sep 2025
Research article |
| 05 Sep 2025
| 05 Sep 2025
Characterizing some major Archean faults at depth in the Superior craton, North America
Harquail School of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Metal Earth, Mineral Exploration Research Centre (MERC), Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Jack M. Simmons
Metal Earth, Mineral Exploration Research Centre (MERC), Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
John A. Ayer
Harquail School of Earth Sciences, Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Metal Earth, Mineral Exploration Research Centre (MERC), Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Mostafa Naghizadeh
Metal Earth, Mineral Exploration Research Centre (MERC), Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Ademola Q. Adetunji
Metal Earth, Mineral Exploration Research Centre (MERC), Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Taus R. C. Jørgensen
Metal Earth, Mineral Exploration Research Centre (MERC), Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Graham J. Hill
Institute of Geophysics, Czech Academy of Sciences, Prague, Czech Republic
Eric A. Roots
Metal Earth, Mineral Exploration Research Centre (MERC), Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Saeid Cheraghi
Metal Earth, Mineral Exploration Research Centre (MERC), Laurentian University, 935 Ramsey Lake Road, Sudbury, P3E 2C6, ON, Canada
Related authors
Saeid Cheraghi, Alireza Malehmir, Mostafa Naghizadeh, David Snyder, Lucie Mathieu, and Pierre Bedeaux
Solid Earth, 12, 1143–1164, https://doi.org/10.5194/se-12-1143-2021, https://doi.org/10.5194/se-12-1143-2021, 2021
Short summary
Short summary
High-resolution seismic profiles in 2D are acquired in the north and south of the Chibougamau area, Quebec, Canada located in the northeast of the Abitibi Greenstone belt. The area mostly includes volcanic rocks, and both profiles cross over several fault zones. The seismic method is acquired to image the subsurface down to depth of 12 km. The main aim of this study is to image major fault zones and the geological formations connected to those faults to investigate metal endowment in the area.
Saeid Cheraghi, Alireza Malehmir, Mostafa Naghizadeh, David Snyder, Lucie Mathieu, and Pierre Bedeaux
Solid Earth, 12, 1143–1164, https://doi.org/10.5194/se-12-1143-2021, https://doi.org/10.5194/se-12-1143-2021, 2021
Short summary
Short summary
High-resolution seismic profiles in 2D are acquired in the north and south of the Chibougamau area, Quebec, Canada located in the northeast of the Abitibi Greenstone belt. The area mostly includes volcanic rocks, and both profiles cross over several fault zones. The seismic method is acquired to image the subsurface down to depth of 12 km. The main aim of this study is to image major fault zones and the geological formations connected to those faults to investigate metal endowment in the area.
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Short summary
Subsurface geometries of ancient faults mapped by high-resolution geophysical surveys use reflected seismic waves. Such surveys in southern Canada map faults which host significant gold or nickel deposits. Reflectors are considered to be brittle if upper-crustal, lava flows if folded or broken, and mid-crustal if mostly parallel. Steep fault zones possibly first formed in ocean settings when the lava erupted. Folding and horizontal shortening probably occurred during later mountain building.
Subsurface geometries of ancient faults mapped by high-resolution geophysical surveys use...
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