Haka ma'adinan gawayi wuri ne da ake hako gawayi daga doron kasa ta hanyar tono ramuka da ramuka a karkashin kasa. Ma'adinan kwal galibi suna cikin wuraren da ke da tarin gawayi, kuma ana hako kwal don amfani da shi azaman tushen mai don samar da wutar lantarki, hanyoyin masana'antu, da sauran aikace-aikace. Tsarin hakar ma'adinan gawayi ya kunshi cire kwal daga cikin kabu na karkashin kasa ta hanyar amfani da hanyoyi daban-daban kamar hakar bango mai tsayi, daki da ma'adinan ginshiƙai, ko haƙar ma'adinan saman dutse. Haƙar ma'adinan kwal na iya yin tasiri mai mahimmanci a muhalli, gami da gurɓacewar iska da ruwa, lalata ƙasa, da hayaƙin iska.