overburden


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Related to overburden: Overburden pressure

overburden

Geology the sedimentary rock material that covers coal seams, mineral veins, etc.

overburden

[′ō·vər‚bərd·ən]
(geology)
Rock material overlying a mineral deposit or coal seam. Also known as baring; top.
Material of any nature, consolidated or unconsolidated, that overlies a deposit of useful materials, ores, or coal, especially those deposits that are mined from the surface by open cuts.
Loose soil, sand, or gravel that lies above the bedrock.
(mining engineering)
To charge in a furnace too much ore and flux in proportion to the amount of fuel.

overburden

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.
References in periodicals archive ?
Overburden removal is one of those necessary evils associated with open pit mining.
The overburden is not particularly hard, but it is abrasive, and sticky when wet.
The company conducted drilling programs, coring through glacial overburden looking for traces or indications of mineralization.
The overburden consists of lateritic soil interspersed with quartzite rubble, highly compacted clay with slate and fine-grained sandstone layers.
Tenders are invited for Removal of overburden earth, mining of raw clay at kundara china
The way I run my bullpen, I don't like to overburden anybody.
Most of the artics are used in overburden haulage from the seven faces currently being worked on the 1,100 ha site.
The base metal was found during drilling into the overburden - loose soil and broken-up material - which is common in the bedrock in the area.
5 m; follow up work will include overburden sampling for indicator minerals.
As per the report, on overburden mining, heavy equipment leasing and 65.
Symmetrix is a new concentric method of soil and overburden drilling which offers major advantages over conventional methods and especially eccentric drills.
With more companies taking a modular approach to running business processes through a Services Oriented Architecture, there's a greater need for technology to deal with the commensurate increases in Web services traffic, which can overburden IT systems," said Robert LeBlanc, general manager, WebSphere, IBM Software Group.