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Introduction to Audio-frequency Magnetotellurics Moira Poje with HGI presents an overview of Magnetotellurics (MT). MT is a geophysical method that measures naturally occurring electric and magnetic field variations with time to recover subsurface electrical properties with depth. This presentation is geared toward consultants, mining, engineering, hydrological, and environmental professionals looking at geophysics for subsurface evaluation to improve project outcomes.	Understanding Mining Heap Hydrology With Geophysics Shawn Calendine with HGI discusses Geophysical Characterization and subsurface Injection technologies loking at hydrological challenges in heap leach pads that have been revealed through geophysical characterization methods allowing engineers to focus on problems through targeted mitigation. This presentation is geared toward consultants, mining, and engineering professionals looking at geophysics for subsurface evaluation to improve project outcomes.
Bare Liner Electric Leak Location Technology Shawn Calendine with HGI and Abigail Gilson with TRI Environmental give the introductory presentation in a 6 part series on electrical leak location technologies. In episode, Abigail discusses bare liner leak location and Shawn, gives a brief overview of future episodes in the ELL webinar series. The series is produced in cooperation with Jimmy Youngblood with Solmax.	Covered Liner Electric Leak Location Technology Shawn Calendine with HGI and Abigail Gilson with TRI Environmental discus covered liner leak location in episode 2 of the Solmax 6 part educational series on electrical leak location technologies. In this episode, Abigail discusses covered liner leak location and Shawn, talks about factors in sensitivity associated with leak location technology. The series is produced in cooperation with Jimmy Youngblood from Solmax.
Mapping Ore Densification in Heap Leach Pads With Electrical Resistivity Adverse hydraulic conditions can be created in a mine’s heap leach pad, depending on the method of stacking, ore treatment, mineralogy, and reagent application rate; adverse hydraulic conditions will hinder extraction. In this presentation, we’ll show how these adverse hydraulic conditions manifest in the heap leach pad as revealed by electrical resistivity tomography. This presentation is geared toward hydrological and mining professionals and consultants looking at geophysics for subsurface evaluation to improve project outcomes.	Electrofacies Mapping of the Santa Cruz and San Pedro Alluvial Floodplains Moira Poje with HGI presents two case studies of geophysical surveying in alluvial floodplains in the southwestern United States. The presentation highlights the benefits of using electrical geophysics to better characterize these areas. These data were presented at the Environmental and Engineering Geophysical Society (EEGS) annual conference, SAGEEP 2021. This presentation is geared toward hydrological and environmental professionals and consultants looking at geophysics for subsurface evaluation to improve project outcomes.
New Videos Coming soon New Video Coming soon…	HGI’s Liner Leak Location Technology HGI has a remarkable success record for liner leak location in containment structures lined with HDPE and geosynthetics containing highly conductive solutions such as processed mine waste-water, brine solution, PLS from copper and gold mines, among others. Our liner leak location approach is a unique technology in the liner leak detection market. It is recognized by our growing list of clients, liner installers, liner manufacturers, and our competitors.