Question

What is the difference between open cast mining and quarrying?

Answer 1

Open-cast mining:

The process of extracting minerals from the surface layer is open-cast mining.

Quarrying:

Quarrying is the extraction of stones from rock surfaces.

Sl.No.	Open-cast mining:	Quarrying:
1	It's for minerals discovered near the surface of the earth.	This approach is used to mine minerals at shallow depths.
2	This approach is utilized when commercially valuable minerals are found near the surface.	This process extracts building materials like stone and limestone.
3	This process is used to extract almost all minerals including coal.	Materials are removed from the surface directly.