In Gold Exploration, trenching is a vital method for defining the boundaries of mineralization based on surface indications. It involves excavating long, shallow trenches across potential mineralized zones, allowing geologists to observe the ore body’s structure, lithology, and mineralization patterns directly. This process is essential for understanding the continuity and geometry of gold-bearing zones before drilling, providing critical data to guide more accurate drill targets.

Trenching acts as a cost-effective step between surface mapping and expensive drilling. It allows exploration teams to assess the potential of a project with lower upfront costs, reducing the risk of investing in non-viable areas. For structurally complex deposits, such as gold, trenching is key to identifying fault lines, folds, or other geological features controlling mineralization.

The Tanka Geo Science team recently completed trenching and pitting work in Sierra Leone, defining key mineralization zones that will optimize the upcoming drilling phase. Our team’s structural analysis of ore bodies ensures more precise exploration planning, critical for resource definition programs.

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