Open Pit Mining Slideshare
Jul 31, 2017 Open-pit mines are used to extract ores such as coal, copper, gold, iron, and aluminum. When an open-pit mine is developed, there are a number of environmental, safety, and cost-related factors to consider, including noise and air quality and animal habitats. 27. 27 Other names for an open-pit mine include open-cast, open-cut, and strip mine.