quarry | National Geographic Society
A quarry is a place where rocks, sand, or minerals are extracted from the surface of the Earth. A quarry is a type of mine called an open-pit mine, because it is open to the Earth''s surface.Another type of mine, a sub-surface mine, consists of underground tunnels or shafts.. The most common purpose of quarries is to extract stone for building materials bra Stone Quarry Texas - Limestone, Sandstone, VeneerOur Liberty Hill stone quarry produces shell slabs, shell stone, fossil stone, cordova cream and shell limestone. Our San Saba sandstone quarry produces autumn blend, tan, verde, moss rock, moss rock, tumbleweed tan, millsap sandstone and so much more. At Cobra Stone, we are passionate about natural stone!