The article presents an innovative approach for identifying hydraulically well-connected discontinuities, such as faults or fracture zones, responsible for groundwater flow in mining environments. The tracer dilution profile (TDP) method uses a tracer injected into a borehole to measure the evolution of concentration profiles over time. This technique identifies flow zones without applying stress, overcoming scale effects present in other borehole testing methods. It was successfully applied to a mining project in Mexico.
Hydro-Ressources partner in mining operations
Hydro-Ressources Inc. is a professional services company specializing in the field of mining hydrogeology and general hydrogeology. Our firm has unique expertise in operational dewatering for open-pit and underground mines.
Mining Hydrogeology Experts
Hydrogeology is a science that studies water in land. This water, which comes from the precipitation of rainwater, circulates in the ground to end up in the waterways.
Patented methodology
Profile Tracing Test (PTT)
A Profile Tracing Test (PTT) is an application recently adopted by our firm. The concept is quite simple: it involves introducing a tracer into a single open borehole (such as a diamond drill hole for exploration) and mixing it as uniformly as possible. Once the tracer is introduced, its concentration is measured at various time intervals within the same vertical borehole. Concentration profiles are then created, and variations in these concentrations help identify the location of the natural active flow zone. In fact, a decrease in concentration indicates the presence of flow.
Discover our projects
We have carried out projects for companies in Canada, United States, Mexico and Africa.
Latest news
An article in English in CIM magazine shows the results of our combined efforts with those of our partners in Excellon Resources' major dewatering project at the Platosa mine in northern Mexico. Good reading!
Hydro-Ressources was mandated in 2021 to dewater the Leeville mine, considered one of the largest underground gold mines in the world!
Quebec Iron Ore trusted our expertise to guide the operational dewatering of their pits. The Quebec company was mandated to lead the relaunch of the Lac Bloom mine, in Fermont in northern Quebec.
Ascendant Resources owns and operates an underground zinc, lead and silver mine in northwestern Honduras named El Mochito, where Hydro-Resources was commissioned to assess water management forecasts.
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