Sustainable phosphate mining: Enhancing efficiency in mining …
The study presents two types of waste: mining waste and pre-beneficiation waste. Mining waste is practically the overburden (the type of mining used is strip mining). It is called spoil piles (SP) and is composed of two elements: 1. interseams and 2. the non-extracted phosphate seams (some layers remain unextracted due to thickness, grade, or ...