Leszcze Mine

LESZCZE MINE is an open-pit mine. Excavated deposit of natural gypsum stone is located in Gacki close to Pińczów. The layers – with current exploitation level – are estimated for more than 120 years. The average content of pure gypsum in the deposit is relatively high, it reaches 92%. The are of deposit is a part of flat, southern slope of Świętokrzyski Massif. Taking into account the stratigraphic aspect, the deposit comes from geological epoch Miocene. chemicals

Stages of excavation of gypsum stone:

removal of superficial layer and transport to the exploited part of excavation (simultaneous terrain recultivation)
deep holes drilling in the upper part of the deposite
explosives placing and detonation
transport of shuttered stone to a crushing plant
mechanical stone crushing and classification to specified types and classes
calcination and partial dehydration of gypsum
final product – building gypsum

Events / important dates:

1982 Opening of LESZCZE deposit.
1999 Atlas-Lafarge consortium purchases 80% of shares of Dolina Nidy Gypsum Indystry Plants (Zakłady Przemysłu Gipsowego Dolina Nidy S.A.).