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oldland |
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oldland [′ōld‚land] (geology) An extensive area (as the Canadian Shield) of ancient crystalline rocks reduced to low relief by long, continuous erosion from which the materials of later sedimentary rocks were derived. A region of older land, projected above sea level behind a coastal plain, that supplied the material of which the coastal-plain strata were formed. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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