Subsurface Mining Definition

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  • A Brief Introduction to the Types of Surface Mining Methods

    Surface mining is one of the most common and oldest ways of removing minerals from the Earth. ScienceStruck tells you what the various surface mining methods are, with the definition and facts of each. Did You Know? Some of the largest vehicles in the world, such as bucket-wheel excavators, are used in surface mining.

  • Subsurface mining disturbs the land less than surface .

    Subsurface mining disturbs the land less than surface mining, but it is more expensive and hazardous for miners. • Processing Minerals: Often involves smelting, or the process in which ore is melted at a high temperature to separate impurities from the molten metal.

  • What are the main methods of mining? | American .

    What are the main methods of mining? PDF version. There are four main mining methods: underground, open surface (pit), placer, and in-situ mining. Underground mines are more expensive and are often used to reach deeper deposits. Surface mines are typically used for more shallow and less valuable deposits. .

  • What are the advantages and disadvantages of subsurface .

    Surface mining is safer and easier than subsurface mining. Surface mining does more damage to the environment than subsurface. Surface mining creates more of a mess then subsurface or open cut mining.

  • Chapter 11 Flashcards | Quizlet

    --Open Pit Mining 3. Sifting through sand and silt in riverbeds for minerals using a sluice with running water--Place Mining 4. Tunneling deep underground to extract minerals--Subsurface Mining 5. Surface layers are removed to expose and extract horizontal mineral deposits--Strip Mining 6. Restoration of mined areas to pre-mining conditions .

  • Definition of placer mining

    Definition of placer mining. i. The extraction of heavy mineral from a placer deposit by concentration in running water. It includes ground sluicing, panning, shoveling gravel into a sluice, scraping by power scraper and excavation by dragline, dredge or other mechanized equipment.

  • Surface mining | Britannica

    This process is called surface mining and was widely used as a method for extracting coal in the Ohio River valley and in England. This technique is also used for mining phosphate deposits, gypsum, gravel, limestone, copper, iron, and other minerals.

  • What does Surface mining mean? - definitions

    Definition of Surface mining in the Definitions.net dictionary. Meaning of Surface mining. What does Surface mining mean? Information and translations of Surface mining in the most comprehensive dictionary definitions resource on the web.

  • Mining Terms - kau

    Mining Terms . Types of Mining . Types of Mining . Surface Mining: Open Pit Mining: Massive stock-work deposits –gold, copper . Strip Mining: Bedded deposits –coal, phosphates . Quarry Mining: aggregates, marble, granite . Placer Mining: minerals in alluvium –Gold, Titanium . Solution Mining For any mineral that is in or may be .

  • 43 CFR § 3809.5 - How does BLM define certain terms used .

    How does BLM define certain terms used in this subpart? 43 CFR § 3809.5 - How does BLM define certain terms used in this subpart? . For a definition of "reclamation" applicable to operations conducted under the mining . These areas exhibit vegetation or physical characteristics reflective of permanent surface or subsurface water .

  • 3 major types of subsurface mining - BINQ Mining

    Mining – Wikipedia, the free encyclopedia [3] Mines of a similar age in Hungary are believed to be sites where ...Processing of ore from a lode mine, whether it is a surface or subsurface mine, requires .. Mining operations can be grouped into five major categories in terms of their . »More detailed

  • SURFACE MINING AND ITS SOCIO-ECONOMIC IMPACTS .

    The Southern African Institute of Mining and Metallurgy Surface Mining 2008 S Yirenkyi Page 181 SURFACE MINING AND ITS SOCIO-ECONOMIC IMPACTS AND CHALLENGES Stephen Yirenkyi Gold Fields Ghana Ltd., Tarkwa, Ghana Abstract The mining industry remains the backbone of many economies in the developing world. Its

  • The Environmental Science of Surface Mining - dummies

    The environmental damage caused by surface mining is related to the large amount of surface material that humans remove during mining operations. The environmental effects of surface mining include Habitat destruction Soil erosion Air pollution from dust particulates Pollution (especially from sediments) All surface mining techniques negatively affect the environment, though some methods are .

  • Mining | About Environment

    Apr 02, 2009 · The most dangerous form of mining, consists on deep excavation. Networks of tunnels are dug or blasted out to follow deposits of the mineral, removed by the miners. Subsurface mining can be mind-boggling, and the world's deepest mines extend nearly 4 .

  • Subsurface | Definition of Subsurface at Dictionary.com

    Subsurface definition, below the surface, especially of a body of water. See more.

  • What Is Mountaintop Removal Mining? | Earthjustice

    Mountaintop removal coal mining, often described as "strip mining on steroids," is an extremely destructive form of mining that is devastating Appalachia. In the past few decades, over 2,000 miles of streams and headwaters that provide drinking water for millions of Americans have been permanently buried and destroyed.

  • Environmental Problems of Surface and Underground Mining .

    surface mining and sub-surface (underground) mining, fig 1. Fig1.Diagrammatic representation of mining methods, Ke ntucky Geological Survey, 2000. Surface mining is re moving minerals that ar e .

  • Solution mining | Definition of Solution mining at .

    Solution mining definition, removal of a soluble mineral by dissolving it and leaching it out, as in the Frasch process. See more.

  • Subsurface Geology | WA - DNR

    Subsurface geology is the study of the physical properties and location of rock and soil found below the ground surface. One of the most valuable reasons for learning about the subsurface is understanding the materials below man-made structures.

  • The Actual Difference Between Surface and Underground Mining

    As mining progressed, the ore deposits began running out, making it necessary to seek them deeper inside the ground. This historical event highlights the difference between two techniques of mining which are used even today – surface and subsurface mining. Let us compare and contrast them further.

  • What are the pros and cons of subsurface mining? - Quora

    Feb 03, 2018 · Advantages of underground mining: *less surface disturbance *less environmental disturbance *less waste mined per tonne of ore *ability to mine resources that are not economic as a surface mine *cheaper to set up mine development for deep ore depo.

  • What Is Surface Mining? | Convergence Training

    These mining categories are: strip mining, open-pit mining, mountaintop removal, dredging and high wall mining. All methods of surface mining will remove the waste material, or overburden, above the desired resource. Surface mining is often preferred to sub-surface (underground mining) by mining companies for several reasons.

  • Coal mining - Wikipedia

    Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content and since the 1880s, has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.

  • Basic Information about Surface Coal Mining in Appalachia .

    Basic Information about Surface Coal Mining in Appalachia. On this page: What is Surface Coal Mining? . Subsurface flowpaths in the intact geologic strata vary, depending on the types of rock in them, but water tables can 'back up' against the valley fill, elevating the water level in the fill, as shown at (j), increasing baseflows and .

  • Mining - YouTube

    Oct 29, 2015 · 019 - Mining In this video Paul Andersen explains how mining is used to extract valuable minerals from the Earth's crust. Surface and subsurface mining are used to extract ore which is then processed.

  • Surface Mining and Reclamation | WA - DNR

    Surface mining reclamation restores vegetation, soil stability, and proper water conditions after mining. Each site will be completed differently depending on the future use and reclamation law. However, the work completed prevents future environmental degradation and prepares the site for its future use.

  • Surface Rights Law and Legal Definition | USLegal, Inc.

    Surface rights refer to those ownership rights in a parcel of real estate that are limited to the surface. It does not include air rights or subsurface rights. The following is an example of a case law on surface right: The term 'surface rights' has a definite and well-understood meaning.

  • What does Surface mining mean? - definitions

    Definition of Surface mining in the Definitions.net dictionary. Meaning of Surface mining. What does Surface mining mean? Information and translations of Surface mining in the most comprehensive dictionary definitions resource on the web.

  • Environmental Problems of Surface and Underground Mining .

    surface mining and sub-surface (underground) mining, fig 1. Fig1.Diagrammatic representation of mining methods, Ke ntucky Geological Survey, 2000. Surface mining is re moving minerals that ar e .

  • Ecological Impacts of Mountaintop Removal > Appalachian Voices

    For more than a decade, dumping of mountaintop removal waste into streams has occurred under a loophole created during the Bush Administration. In 2002, a new definition reclassified mining waste as permissible "fill material" under section 404 of the Clean Water Act.