Search results
Results from the WOW.Com Content Network
A quarry is a type of open-pit mine in which dimension stone, rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some jurisdictions to manage their safety risks and reduce their environmental impact.
Quarry tile is a building material, usually 1 ⁄ 2 to 3 ⁄ 4 inch (13 to 19 mm) thick, made by either the extrusion process or more commonly by press forming and firing natural clay or shales. [ 1 ] [ 2 ] Quarry tile is manufactured from clay in a manner similar to bricks . [ 3 ]
Game or quarry is any wild animal hunted for animal products (primarily meat), for recreation ("sporting"), or for trophies. [1] The species of animals hunted as game varies in different parts of the world and by different local jurisdictions, though most are terrestrial mammals and birds .
Researchers have uncovered a "dinosaur highway" after hundreds of giant prehistoric footprints dating back 166 million years were found in an English quarry. Discovered at the Dewars Farm Quarry ...
The UK’s biggest ever dinosaur trackway that is over 166 million years old has been discovered in an Oxfordshire quarry.. A worker at Dewards Farm Quarry spotted the 200 footprints while he was ...
Ancient quarry sites in the Nile valley accounted for much of the limestone and sandstone used as building stone for temples, monuments, and pyramids. [1] Eighty percent of the ancient sites are located in the Nile valley ; some of them have disappeared under the waters of Lake Nasser and some others were lost due to modern mining activity.
The Guidonia quarry is located in this deposit of travertine. [41] The ancient name for this stone was lapis tiburtinus , meaning tibur stone , which was gradually corrupted to travertino (travertine).
Gravel (largest fragment in this photo is about 40 mm (1.6 in)) Gravel (/ ˈ ɡ r æ v əl /) is a loose aggregation of rock fragments.Gravel occurs naturally on Earth as a result of sedimentary and erosive geological processes; it is also produced in large quantities commercially as crushed stone.