What is the waste from mining called?
Tailings are Mine Waste. Tailings are the waste materials left after the target mineral is extracted from ore. They consist of: Crushed rock.
What is a spoil in mining?
Introduction. Mine spoils wastes are a waste byproduct from mining activities. Spoils are expensive to reclaim, so they often remain untreated (Brown et al., 2003). Sulfide ores and unrecoverable heavy metals (e.g., Al, Cu, Zn) in the spoils can cause numerous environmental issues.
What is the definition of colliery?
Definition of colliery : a coal mine and its connected buildings.
What is a coal mine spoil tip?
A spoil tip (also called a boney pile, culm bank, gob pile, waste tip or bing) is a pile built of accumulated spoil – waste material removed during mining. These waste materials are typically composed of shale, as well as smaller quantities of carboniferous sandstone and other residues.
What is residual waste?
Residual waste is nonhazardous industrial waste. It includes waste material (solid, liquid or gas) produced by industrial, mining and agricultural operations. It excludes certain coal mining wastes and wastes from normal farming activities.
What is colliery spoil?
Colliery spoil consists of material from the sedimentary strata adjacent to the coal seams, waste produced from the sinking of shafts and other works, dirt, and fragments of coal. If washery waste has been deposited, the residues of the chemicals used in the washing process may also be found.
What is overburden material?
Overburden is the rock or soil layer that needs to be removed in order to access the ore being mined. Overburden is also referred to as spoil or waste. Overburdens are removed from surface mining and do not contain toxic components, unlike tailings, which is another type of underground mining waste.
What was a colliery used for?
A colliery is a coal mine.
What are mining spoils and tailings?
Tailings are low grades of mining ore that are disposed of on the land surface and often in mining waste ponds(1). Because they are unlined, these ponds can be a source of acids or metals, which are carried in run-off or leachate. Spoil consists of mining debris and waste.