Mining
The use of minerals since ancient times was mainly for making tools, utensils and weapon. However, with beginning of Industrial Revolution, the importance and demand for minerals increased continuously.
Methods of Mining
Open-Cast Mining
- Also known surface mining and is the easiest and the cheapest way of mining as are occur close to the surface.
- It simply requires the removal of the overburden i.e., rock bands lying above mineral bearing strata.
Underground Mining
- When the ore lies deep below the surface, underground mining method or shaft method is applied.
- Often vertical shaft have to be sunk underground to reach ....
Do You Want to Read More?
Subscribe Now
Take Annual Subscription and get the following Advantage
The annual members of the Civil Services Chronicle can read the monthly content of the magazine as well as the Chronicle magazine archives.
Readers can study all the material before the last six months of the Civil Services Chronicle monthly issue in the form of Chronicle magazine archives.
Related Content
- 1 Coastal and Desert Landforms of India
- 2 Origin and Characteristics of Major River Systems
- 3 Integrated River Basin Governance
- 4 Interlinking of Rivers and their Ecological-Economic Trade-offs
- 5 Groundwater Stress Mapping
- 6 Patterns of Regional Disparities and Spatial Development in India
- 7 India’s Strategic Location in the Global and Regional Contexts
- 8 Geological Evolution of the Indian Subcontinent
- 9 India’s Geological Uniqueness: Some Salient Aspects
- 10 Peninsular Block, Himalayan Region, and Indo-Gangetic Plains: Comparative Features
