overburden

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overburden

Geology the sedimentary rock material that covers coal seams, mineral veins, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Proponents contend that regulations causing a decrease in private property values are either inefficient or overburdensome, and must be changed, done away with, or paid for.(23) This contention is premised on the libertarian view of property rights: the rights of the landowner to do what she wishes with her property as an inherent right which should not be abridged by any government action (aside from common law nuisance).
Don't those who feel otherwise have the right to struggle on behalf of causes Samuelson feels are wasteful or overburdensome? Were he straightforward, which he is not, he would answer with a resounding no.
A practical ability to control the third party, however, is essential:(53) in many cases where it would be legally possible for a party to insist upon the power to police and monitor the acts of another, courts have been unwilling to impose liability when it would be unrealistic and overburdensome for the defendant to exercise such power.
When we turn to the limitations of tort liability as a safety incentive device in European practice the problems appear to lie, in the UK at least, more on the side of excessively lax than of overburdensome liability under the negligence rule prevailing until recently.(20) We win consider briefly the main limitations observable in the UK, and mention one or two problematic aspects of the EC Directive on the way (Burrows, 1992).
It does not confer any independent rights on the States (even by negative implication), and therefore, we do not believe the States' right to tax out-of-state residents (even if permitted by the Commerce Clause) can be placed on a par with an out-of-state resident's constitutional right to be free from discriminatory or otherwise overburdensome state taxation.
Finding the present method of sovereignty lands identification (judicial determination on a case-by-case basis) as being cost prohibitive, overburdensome on the court system, and having the likelihood of resulting in inconsistent decisions, the authors suggest two other possible methods of resolving the problem: an executive solution or legislative action.
Not the Tory free-for-all nor the overburdensome regulations demanded by the old Left.