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Overburden is the name given to the body of earth and rock which lies above a deposit of wanted ore or coal. In open cast mining, it must be removed before the target material can be recovered.
Overburden ,.,. if a guy said I'm overburdened.. then he means that his inventory ( bags, pockets, backpack are FULL and he is too heavy to run.
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∙ 10y ago
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What is the rock material above a coal seam called?
overburden
Will you find loess on a cliff?
I often visit a cliff that has an overburden of Loess. So, yes, you can find Loess on a cliff. Rather, on top of a cliff.
How does pillow basalt form?
Pillow basalt is formed when lava extrudes from the ocean floor - perhaps into a sediment overburden (?) - such that each bolus of lava is separate from the others.
Where can sedimentary rock be found in the UK?
Sedimentary rocks can be found anywhere rock particles, clay, and organic matter has deposited itself and lithified from overburden pressure or chemical precipitation from a saturated solution. Sedimentary rock covers 75% of the surface of the Earth's continents.
Where does metamorphic rock formed?
Deep Underground (I think)
What is the overburden soil?
In geology, overburden soil is the soil and other material which lies over a rock formation or mineral deposit.
What is the rock material above a coal seam called?
overburden
What allows diamonds to form in the mantle?
Overburden or lithostatic pressure.
How did lignite become bituminous coal?
Lignite transforms into bituminous coal through the process of coalification, which involves the progressive physical and chemical alteration of the organic material in the peat. With increasing depth and pressure, lignite undergoes a series of changes, including the loss of moisture, gases, and some hydrocarbons, resulting in the formation of bituminous coal.
What pressure allows diamonds to form in the mantle?
Overburden or lithostatic pressure.
How do you calculate the stripping ratio?
We divide the overburden thickness by ore thickness to get the stripping ratio For example if we have an overburden thickness of 80m and ore thickness of 50 m , then the stripping ratio will be: 80/50= 1.6
Where does all the force come from to squeeze sediments together to form sedimentary rocks?
The main force is weight of overlying rocks , called overburden, which puts overburden pressure on sediments and make them compress and compacts
How do you calculate stripping ratio for Open Pit Mines?
Overburden tons/ore tons
What has the author M Infanger written?
M Infanger has written: 'Positioning acid-producing overburden for minimal pollution'
What is preconsolidation stress in soil?
Preconsolidation stress is the maximum of vertical overburden stress that a particular soil sample has sustained in the past.
Can coal be found on the surface?
Coal can be found in certain locations where it is exposed at the surface via erosion of the overburden. Most often, it is not.
What surface mining is sometimes known as?
Sometimes called "strip" mining- soil and overburden is stripped away, exposing the coal.
