Orginally founded in 1995 as Ursa Engineering, Zostrich Geotechnical’s sole focus is providing premium rock mechanics engineering services to the
mining industry. While small, our clients rank amongst the largest mining companies in the world.
Services offered include statistical characterization of rock masses for open pit and
underground excavations. This is coupled with our expertise in initial excavation method selection and development of
analytical and rock support techniques for difficult excavation circumstances. When things go wrong, we have extensive
experience in the remediation of actively failing slopes and openings, and provide forensic investigations for
insurance and contract dispute cases.
In addition to our technical services, Zostrich Geotechnical plays a role in the advancement and dissemination of ideas
knowledge on the world rock mechanics stage. We provide information and content for website information pages and web-
based courses of study, including:
Dr. James Mathis is the
geotechnical engineer of Ursa Engineering. He is listed as a specialist on Infomine
and has written numerous technical papers on rock mechanics.