What is overburden removal?
Overburden removal refers to the removal of top-soil to expose the coal seams making them ready for mining. Any delay in this process impacts the future-readiness of the company to sustain output levels.
What is OBR mining?
In mining, overburden (also called waste or spoil) is the material that lies above an area that lends itself to economical exploitation, such as the rock, soil, and ecosystem that lies above a coal seam or ore body.
What is capitalized stripping?
Stripping costs are those costs incurred when removing overburden or waste materials in order to obtain access to a commercially-producible ore body. If so, and the activity provides better access to the deposit, then under GAAP the cost should be capitalized along with other development costs.
Where does overburden go during a mining operation?
Overburdens in coal mining—mountaintop removal mining is considered a safer mining method for coal removal since it avoids underground coal mining. Overburden soil is removed above the coal seams before extracting the ore.
What overburden means?
to load with too great a burden; overload: He was overburdened with cares. noun. an excessive burden. Also called burden, capping. Mining.
What is overburden removal cost?
4.13 Overburden Removal cost: is the cost incurred to remove the overlying material from the mine site. 4.14 Ratio Variance: It is the variance between current ratio and standard /average stripping ratio in terms of quantity of mineral produced during the period.
What is overburden in construction?
1. The entire thickness of soil over rock or over a specific bearing stratum. 2. An undesirable top layer covering rock, gravel, or other useful material wanted for construction.
What is stripping activity asset?
A stripping activity asset is depreciated or amortised on a systematic basis, over the expected useful life of the identified component of the ore body that becomes more accessible as a result of the stripping activity. The units of production method is used unless another method is more appropriate.
How does overburden affect the environment?
Acid drainage is typically caused when pyrite (fool’s gold) or marcasite in the overburden is exposed to air and water during the mining process. Rainwater mixes with the pyrite to form sulfuric acid which is washed into streams and ponds below the mine. Acid is one of the most damaging pollutants.
What is overburden in geophysics?
Overburden is a soil or rock layer by the weight of the overlying layer.
How do you use overburden?
Examples of overburden in a Sentence Verb She overburdened me with work. Why overburden yourself when people are offering to help?
What’s another word for overburden?
What is another word for overburden?
| burden | encumber |
|---|---|
| overload | load |
| oppress | overtax |
| overwhelm | overfill |
| tax | overcharge |