Mining Dictionary

Dictionary of Mining, Mineral, and Related Terms


Acid Mine Water  - Mine water that has free sulfuric acid, mostly due to the weathering of iron pyrites.

Active workings  - Any place in a mine where miners are usually necessary to work or travel and which are ventilated and inspected frequently.

Adit  - An almost horizontal way from the surface by which a mine is entered and dewatered. An unsighted horizontal aperture into a mountain, with just one entrance.

Arching - Fracture processes around a mine aperture, resulting to stabilization by an arching effect.

Aluminium - Aluminium is a hoary white and flexible member of the boron collection of chemical elements. It has the chemical symbol of Al; with its atomic number of 13.

Asbestos - Asbestos is a gristly mineral that is in chemical nature inert with added heat defiant properties. It has been utilized in over a wide spec of products of more than 3,000 products, counting fire resisting materials, cement, brake pads, plastics, paper products and textile products.

Aquamarine - Aquamarine is one of the most admired and very famous gemstones, and differentiates itself by a lot of first-rate qualities. Aquamarine is the combination of beryllium, aluminum, and silicate. Aquamarine is termed for the Latin phrase "water of the sea".

Amethyst - Amethyst can occur as crystals that are six sided on either end. It is established within geodes and in alluvial put down all around the world and take place in both crystalline and immense forms.

Amber - Amber is a solidify pine tree juice. It is from the family of natural gemstones. It is the only gemstone that lends a hand in knowing our past.

Aggregates - Aggregate, is a wide category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates. Aggregates are a component of composite materials such as concrete and asphalt concrete; the aggregate serves as reinforcement to add strength to the overall composite material.

Alunite - Alunite occurs as veins and replacement masses in trachyte, rhyolite, and similar potassium rich volcanic rocks It is formed by the action of sulfuric acid bearing solutions on these rocks during the oxidation and leaching of metal sulfide deposits.