Types of stone exploitation
The Plano field quarry is located on the road between Kaštela towards Drniš (Siverić). The estimated value of the quarry’s reserve is 34 million tons of calcium carbonate and 5 million tons of white marble. The quarry is spread over 25 ha of land.
Company White Rock in Siverić consists of four connected technological facilities – plants.
The 1st plant consists of a drier and mill for granulates. The mill produces granulates of 0 – 5 mm.
The production of fine calcite fillers takes place in the 2nd plant, with the most contemporary bead mill manufactured by Hosocava Alpine, its size being from d50 1µm – 5 µm.
The 3rd plant has a mill made by company Alpine, where fine fillers are made from d98 100 µm – 500 µm.
The process of coating products from 2nd and 3rd plants is made in the 4th plant.