Geologically, the Mt Gay Estate region contains volcanic scoria and ash. The scoria at our Mon Rush Quarry is andesitic in composition and has a reddish brown colour which is as a result of oxidation.
Scoria is a very hard and porous material and therefore makes for an effective base for construction of buildings and road surfaces.
At Gravel, Concrete & Emulsion Production Corporation’s Mon Rush operations, we produce a variety of screened and crushed gravel aggregates from the volcanic scoria.
This includes: