overburden

(redirected from overburdened)
Also found in: Dictionary, Thesaurus, Wikipedia.

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 ?
"My daughter is overburdened by the extra classes before her regular classes in the morning and she paid a Dh380 extra fee for that," said a parent of a grade 12 pupil at Abu Dhabi Indian School (ADIS).
According to the Port Authority, the airport provides service to Florida, Atlanta, Detroit and Philadelphia, which doesn't exactly make it seem like much of an alternative to the trio of overburdened airports that ring the city.
The overburdened medical system may cease to meet any but the most immediate needs.
Private vendors are already overburdened, and some are unable to serve special education and bilingual students, Chicago officials say.
The secrets are closely guarded by their Haitian owners, but like most secrets, they are eventually revealed by the overburdened consciences of the torturers and the wounded psyches of the tortured.
Any journey which passes through the horrendously overburdened junction is already a lottery.
In working only with appropriated photographs and text, transferring these to new contexts and recycling the material both within and between works, Schaerf draws attention to the way society is overburdened with constantly replaceable images.
FIXING OVERBURDENED MENTAL HEALTH SYSTEMS One-third of 501 community leaders identified mental health treatment programs as one of the most overburdened community resources, according to a survey released in November by the Campaign for the Mind of America.
Media reports continue to present alarming reports of the impending crisis of an aging population that will be forced to rely on a declining and overburdened number of productive workers for income support in their retirement.
The average man in uniform, in other words, is more frustrated and overburdened today than he was two years ago--affecting not just the soldiers themselves, but their ability to protect the rest of us.
With a focus on artistic integrity, and an avoidance of the blatant excesses of an industry overburdened with sky-high fixed costs, Hidden Beach manages to present a model of what a sensible, meaningful soulful music company can be.
Jofre brings something undeniably attractive to overburdened corporations trying to restructure: He's done it.