overburden


overburden
    a) The upper part of a sedimentary deposit, compressing and consolidating the materials below.
    b) The loose soil or other unconsolidated material overlying bedrock, either transported or formed in place (synonym for regolith).
   GG

Glossary of landform and geologic terms. 2013.

Look at other dictionaries:

  • Overburden — is the material that lies above an area of economic or scientific interest in mining and archaeology; most commonly the rock, soil, and ecosystem that lies above a coal seam or ore body. It is also known as waste or spoil . Overburden is distinct …   Wikipedia

  • Overburden — O ver*bur den, v. t. To load with too great weight or too much care, etc. Sir P. Sidney. [1913 Webster] …   The Collaborative International Dictionary of English

  • Overburden — O ver*bur den, n. The waste which overlies good stone in a quarry. Raymond. [1913 Webster] …   The Collaborative International Dictionary of English

  • overburden — index disadvantage, exploit (take advantage of), harass, impact, mishandle (maltreat), mistreat …   Law dictionary

  • overburden — (v.) to put too much weight on, 1530s, from OVER (Cf. over) + BURDEN (Cf. burden) (v.). Earliest uses are figurative. Related: Overburdened; overburdening …   Etymology dictionary

  • overburden — ► VERB ▪ burden excessively …   English terms dictionary

  • overburden — [ō΄vər bʉrd′ n; ] for n. [ ō′vər bʉrd΄ n] vt. to burden oppressively; weigh down n. 1. something that overburdens 2. Geol. soil, rock, etc. that is covering or overlying a useful deposit, as of ore …   English World dictionary

  • overburden — UK [ˌəʊvə(r)ˈbɜː(r)d(ə)n] / US [ˌoʊvərˈbɜrd(ə)n] verb [transitive] Word forms overburden : present tense I/you/we/they overburden he/she/it overburdens present participle overburdening past tense overburdened past participle overburdened formal… …   English dictionary

  • overburden — I. transitive verb Date: 1532 to place an excessive burden on II. noun Date: 1855 material overlying a deposit of useful geological materials or bedrock …   New Collegiate Dictionary

  • overburden — v. /oh veuhr berr dn/; n. /oh veuhr berr dn/, v.t. 1. to load with too great a burden; overload: He was overburdened with cares. n. 2. an excessive burden. 3. Also called burden, capping. Mining. waste earth and rock covering a mineral deposit.… …   Universalium

  • overburden — 1. noun a) The rock and subsoil that lies above a mineral deposit such as a coal seam b) A sterile stratum that lies above the stratum being investigated 2 …   Wiktionary