A core sample is a cylindrical section of soil, rock, ice, or another material that is extracted from the ground or a surface for geological, environmental, or archaeological analysis. Core sampling is commonly used in various fields, including geology, environmental science, and engineering, to obtain a representative sample of the subsurface materials and to analyze their composition, structure, and other properties. The process of obtaining a core sample typically involves drilling or boring into the ground to retrieve a vertical column of material.
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