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Mineral resources of Poland> Rock raw materials and others> Mineral raw materials for engineering works
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Mineral raw materials for engineering works

Mineral raw materials for engineering works are usually clayey-sandy and clayey rocks, but also others - sandstones and limestones. These raw materials are utilized in road industry for road embankements building or in waste disposal packing and reclamation.

Usually (about 70 %) resources of mineral raw materials for engineering works are documented as accompanying raw material - these are the parts of deposits which do not meet the balancing criterias of the main raw material, i.e. parts of sand and gravel deposits with too high ash content or parts of dimension and crushed stones deposits with too low strenght.

Anticipated economic resources increased in 2011 by 2.24 million m3 (36.8 %) in comparison with the previous year.

There were 9 new deposits documented: „Gniewczyna Tryniecka-I”, „Gorzyce dz.308”, „Mały Ubieszyn”, „Męciszów I”, „Munina-Nadsan”, „Orzechowce”, „Pustków-1634/11”, „Sieniawa I” located in podkarpackie voivodeship and „Zawichost-Podgórze” located in świętokrzyskie voivodeship. Only in „Orzechowce” deposit mineral raw material for engineering works occur as the main raw material.

The table given below shows the current state of identification and management of mineral raw materials for engineering works resources in Poland.

Production of mineral raw materials for engineering works amounted to 706 thousand m3 in 2011 (436 % of the 2010 volume). The output increased especially in podkarpackie voivodeship due to the building of A4 highway.

Prepared by: Wojciech Szczygielski