INDIAN GEOGRAPHY

Detailed explanation-1: -Deep bores, called shafts, have to be made to reach mineral deposits that lie at great depths. This is called shaft mining. Minerals that lie near the surface are simply dug out and are known as quarrying.

Detailed explanation-2: -Since, shafts in geography are long vertical passage sunk into the earth, as for a mine or tunnel and, therefore, deep bores are the example of shafts as that have to be made to reach minerals deposits that lies at great depths.

Detailed explanation-3: -Classification of ore deposits Hypothermal-mineral ore deposits formed at great depth under conditions of high temperature. Mesothermal-mineral ore deposits formed at moderate temperature and pressure, in and along fissures or other openings in rocks, by deposition at intermediate depths, from hydrothermal fluids.

Detailed explanation-4: -Detailed Solution. Quarrying: Quarrying refers to extracting materials directly from the surface. It is the process of removing rock, sand, gravel, or minerals from the ground in order to use them to produce materials for construction or other uses.

Detailed explanation-5: -The principal means of access to an underground ore body is a vertical opening called a shaft. The shaft is excavated, or sunk, from the surface downward to a depth somewhat below the deepest planned mining horizon. At regular intervals along the… …from surface to underground, or shaft, mining.