Mining- Gypsum rock deposits are mined from evaporite beds using conventional underground and surface mining techniques. - The United States, Canada, Greece and Poland are some of the major producers of mined gypsum rocks.Byproduct - Phosphogypsum is a byproduct of phosphate fertilizer production and a major source for wallboard production.- Around 100 million tons of phosphogypsum is produced...
Arabic
Français
Español
Português
Deutsch
Türkçe
Dutch
Italiano
Russian
Romaian