Muon geotomography: selected case studies

Area of Science:

• Geophysics
• Particle Physics
• Mineral Exploration

Background:

• Muon attenuation through matter provides insights into average material density.
• Cosmic ray muons can be detected by underground sensors to image subsurface structures.
• Muon tomography offers a non-invasive method for subsurface density mapping.

Purpose of the Study:

• To explore the application of muon tomography, termed muon geotomography, in mineral exploration.
• To demonstrate the capability of reconstructing 3D subsurface density models.
• To present case studies showcasing the practical use of this technique.

Main Methods:

• Mapping the intensity of cosmic ray muons detected by underground sensors.
• Deriving radiographic images of the overburden based on muon attenuation.
• Combining multiple images to reconstruct a three-dimensional density model of the subsurface.

Main Results:

• Successful generation of radiographic images of the subsurface.
• Reconstruction of 3D density models using combined muon intensity data.
• Demonstrated feasibility of muon geotomography for mineral exploration scenarios.

Conclusions:

• Muon geotomography is a viable technique for subsurface density investigations.
• The method shows significant potential for applications in mineral exploration.
• Further case studies can validate and refine the application of muon tomography in geosciences.