surface mining operations

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• Surface Mining Control and Reclamation Act of 1977 — The Surface Mining Control and Reclamation Act of 1977 (SMCRA) is the primary federal law that regulates the environmental effects of coal mining in the United States.SMCRA created two programs: one for regulating active coal mines and a second… …   Wikipedia

• Surface mining — is a type of mining in which soil and rock overlying the mineral deposit are removed. It is the opposite of underground mining, in which the overlying rock is left in place, and the mineral removed through shafts or tunnels. Surface mining is… …   Wikipedia

• Office of Surface Mining — Reclamation and Enforcement Seal Agency overview Headquarters 1951 Constitution Avenue …   Wikipedia

• Number of mining operations —   The number of mining operations includes preparation plants with greater than 5,000 total direct labor hours. Mining operations that consist of a mine and preparation plant, or a preparation plant only, will be counted as two operations if the… …   Energy terms

• Mining engineering — Surface coal mine with haul truck in foreground Mining engineering is an engineering discipline that involves the practice, the theory, the science, the technology, and application of extracting and processing minerals from a naturally occurring… …   Wikipedia

• Mining industry of Ghana — accounts for 5% of the country s GDP and minerals make up 37% of total exports, of which gold contributes over 90% of the total mineral exports. Thus, the main focus of Ghana s mining and minerals development industry remains focused on gold.… …   Wikipedia

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• Mining — This article is about the extraction of geological materials from the Earth. For the municipality in Austria, see Mining, Austria. For the siege tactic, see Mining (military). For name of the Chinese emperor, see Daoguang Emperor. Simplified… …   Wikipedia

• Mining in the Upper Harz — The headframe of the Emperor William Shaft in Clausthal is one of the oldest surviving winding towers in Germany …   Wikipedia

• Mining in Ghana — Ghana s economy depends largely on exports of cocoa and gold. Other mineral commodities produced in the country were aluminum, bauxite, diamond, manganese, natural gas, petroleum, salt, and silver.Economic impactThe contribution of Ghana’s mining …   Wikipedia

• strip mining — mining in an open pit after removal of the overburden. * * * Technique for the surface mining of coal by removing the soil and rock overburden above a seam and extracting the exposed mineral. The method is used to best advantage where the coal… …   Universalium