A quarry is a place from which dimension stone, rock, construction aggregate, riprap, sand, ... municipalities consider quarries to be eyesores and require various abatement methods to address problems with noise, dust, and appearance.
Construction aggregate, or simply "aggregate", is a broad category of coarse to medium ... Large stone quarry and sand and gravel operations exist near virtually all population centers due to .... a quality assured system for the manufacturing process to ensure an aggregate that conforms to the relevant European standards.
Aggregates include crushed stone, gravel and sand. ... The production process centres around quarrying, preparing, and sorting the raw material and into specific quality products. ... Holcim Lebanon restored an abandoned quarry in Chekka.
Quarrying is the process of removing rock, sand, gravel or other minerals from ... extracted by quarrying is used for construction and known as "aggregates". ... an underground working and a 'quarry' as a site of mineral extraction without a roof.