White Marble & Dolomite Blocks, Calcium Carbonate Aggregate, Limestone Aggregate and Dolomite Aggregate Supplier. Dereli fami ... ly started mining activities in Marmara island in 1940s and carries on business in mining industry for 3 generation. Today, Dereli family carries on its activities in Marmara Island with the name Dereli Mermer Granit Maden San. ve Tic. A.Ş and supplies marble & dolomite blocks, calcium carbonate aggregates, limestone aggregates and dolomite aggregates. Its aggregate operations are purely based on mining leftovers recycling. Having maintained a partnership and supplier relationship with IMERYS since 1996, Dereli Family is the main raw material (calcium carbonate) supplier of IMERYS’ factories in Europe. read more