Definition, Meaning & Synonyms
open-cast
adjective
/ˈəʊpən kɑːst/
Definition
A method of mining or extraction in which minerals or rocks are removed from an open pit or surface rather than underground.
Examples
- The open-cast mine expanded significantly over the years, affecting the local environment.
- Open-cast operations can be more cost-effective than underground mining, but they often have greater environmental impacts.
Meaning
Open-cast refers to the practice of extracting materials like coal, metals, or other minerals from the earth’s surface rather than from beneath the earth. This method often involves removing large quantities of soil and rock to reach the desired minerals.
Synonyms
- surface mining
- open-pit mining
- strip mining
