Dolomite rock is a rock that is present in several formations of the geological register from the Palaeozoic to the Tertiary periods. It is a rock composed especially of dolomite, double carbonate of Ca and Mg. Dolomites are not usually found in pure state, as dolomite forms a series of continuous transition with calcite. The theoretical chemical composition of pure dolomite is, in weight, 30.4% of CaO, 21.9% of MgO and the rest CO2.
Among its applications we can find the production of aggregates for construction and the chemical industry. Also, the manufacture of dolomitic marbles and other ornamental materials.
Our dolomites dome from limestones formed by marine sedimentary processes that, in contact with magnesium-enriched water, undergo the dolomitization process. This is the first process, which nature carries out over millions of years.
From there, and near our main deposit in Sabiñán, we established our Crushing, Grinding and Classification Plant, where we carry out the dolomite process. Once the final product is obtained, it is classified in various grain sizes, adapting to the requirements of each sector targeted.