Geological science is constantly on the lookout for new techniques to augment the tried-and-true methods of electromagnetic, gravity and seismic imaging. This is especially true when it comes to exploration, as imprecise findings can lead to waste-fully expensive borehole drilling. A group at the University of British Columbia, TRIUMF (Canada's National Laboratory for Particle and Nuclear Physics) and its spinoff, Advanced Applied Physics Solutions (a Canadian Centre of Excellence for Commercialization and Research), is working to identify more accurate, less expensive exploration techniques. Researchers from these institutions are developing a technique of geophysical tomography using cosmic rays. This is considered promising in part because the basic physics is well understood and most elements of the technique have already been demonstrated.
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