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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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What is the rock material above a coal seam called?
overburden
How do you calculate effective overburden pressure on pile toe?
To calculate the effective overburden pressure on a pile toe, you would typically need to consider the weight of the soil above the pile toe that contributes to the effective stress. This can be calculated using the unit weight of the soil and the depth at which the pile toe is located. The effective overburden pressure helps determine the bearing capacity and settlement behavior of the pile.
How is bornite mined?
Bornite is typically mined using large-scale open pit mining methods. This involves removing overburden to expose the bornite ore, which is then extracted using explosives and heavy machinery. The ore is then processed to separate the bornite mineral from the surrounding rock and other minerals.
What is the name of a place from which stones and slate are obtained?
A place from which stones and slate are obtained is called a quarry. Quarries are typically open-pit mines where various types of stone, including granite, limestone, and slate, are extracted for construction and other uses. The process involves removing the overburden and extracting the desired stone, which is then processed for various applications.
How does pillow basalt form?
Pillow basalt forms when basaltic lava erupts underwater and cools rapidly, creating pillow-shaped structures. Water cools the lava quickly, causing it to solidify into distinctive pillow-like shapes as it is extruded.
What is the difference between overburden and ore?
Overburden refers to the rock or soil covering a mineral deposit, while ore is the mineral deposit itself that contains valuable minerals or metals. Overburden needs to be removed to access the ore for mining.
What is the overburden soil?
Overburden soil refers to the layer of soil and rock that sits above a mineral deposit or bedrock. It needs to be removed during mining or excavation activities to access the desired materials underneath. The overburden soil is usually of lower economic value compared to the underlying mineral deposits.
How do you remove overburden-soil for coal mining?
Overburden soil in coal mining is typically removed using large machinery such as draglines, shovels, or excavators. These machines scoop up and remove the soil to expose the coal seams underneath. The overburden is usually transported to a designated area for storage or backfilling.
What is the difference between overburden layer and spoil in geology?
In geology, the overburden layer refers to the soil and rock that lie above a mineral deposit, which must be removed to access the resources below. Spoil, on the other hand, is the waste material that is displaced during mining or excavation activities, often consisting of the overburden that has been removed. Essentially, overburden is a category of material, while spoil specifically refers to the material that has been excavated and discarded.
What is the rock material above a coal seam called?
overburden
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 effective overburden pressure on pile toe?
To calculate the effective overburden pressure on a pile toe, you would typically need to consider the weight of the soil above the pile toe that contributes to the effective stress. This can be calculated using the unit weight of the soil and the depth at which the pile toe is located. The effective overburden pressure helps determine the bearing capacity and settlement behavior of the pile.
How do you calculate stripping ratio for Open Pit Mines?
Overburden tons/ore tons
Which thick layers of sediment press down on the layers beneath them is called?
Overburden pressure.
What has the author M Infanger written?
M Infanger has written: 'Positioning acid-producing overburden for minimal pollution'
What waste rock must be removed before a mineral can be used?
Overburden and gangue are the waste rocks that must be removed before a mineral can be used. Overburden refers to the unconsolidated material above an ore deposit, while gangue is the unwanted rock in an ore deposit that has to be separated during processing.
