The Northstone Materials Carmean Limeworks quarries the Cretaceous Ulster White Limestone Formation close to Magherafelt. The Quarry produces a wide range of crushed and ground limestone products for the animal feed and construction industries in Northern Ireland.
As well as operating under our ISO 9001 and ISO 14001 management systems, Carmean is also independently accredited by PAI* Ltd. as complying with the requirements of the FEMAS†... » more
Carmean Limeworks produces a range of white limestone aggregates for the building and construction industries. Though chalk, the overlying Antrim Plateau Basalts have baked and... » more