method of mining of gypsum

Gypsum - Abydos Mining

Gypsum - Abydos Mining

2021-2-20 · Chapter 10 GYPSUM underground mining is the usual method of extraction, the mineral normally being within 60 metres of the surface Method of Working and Environmental Impact Opencast Extraction of the Newark Gypsum 105 Extraction begins with the creation of an initial cut which needs to provide adequate space to develop and work the quarry face