Core drilling is a method used in the exploration and evaluation of mineral deposits, which involves extracting cylindrical samples of rock, known as "core," from the Earth. This technique provides valuable information about the geological properties, structure, and composition of the subsurface materials. The core is obtained by drilling a hollow cylinder into the ground, typically using a diamond-tipped drill bit that can penetrate hard rock.
Core drilling is widely used in the mining, oil, and construction industries to assess potential sites for further development. The core samples retrieved help geologists and engineers analyze the quality and quantity of the resources present, determine the depth and orientation of mineralized zones, and make informed decisions regarding the viability of mining or drilling projects.