salt anticline

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• Anticline — In structural geology, an anticline is a fold that is convex up and has its oldest beds at its core. The term is not to be confused with antiform , which is a purely descriptive term for any fold that is convex up. Therefore if age relationships… …   Wikipedia

• Salt dome — A salt dome is a type of structural dome formed when a thick bed of evaporite minerals (mainly salt, or halite) found at depth intrudes vertically into surrounding rock strata, forming a diapir.The salt that forms these domes was deposited within …   Wikipedia

• salt dome — noun : a domical anticline in sedimentary rocks having a mass of rock salt as its core and being forced up in plastic form by earth stresses from an underlying bed of salt * * * Geol. a domelike rock structure that is formed beneath the earth s… …   Useful english dictionary

• salt dome — /ˈsɒlt doʊm/ (say solt dohm) noun (in sedimentary rocks) a domelike anticline having a core of rock salt which was forced upwards from an underlying bed of salt when in the plastic state under pressure. Also, salt plug …  

• salt dome — noun Date: 1908 a domical anticline in sedimentary rock that has a mass of rock salt as its core …   New Collegiate Dictionary

• Salt dome —   A domical arch (anticline) of sedimentary rock beneath the earth s surface in which the layers bend downward in opposite directions from the crest and that has a mass of rock salt as its core.   U.S. Dept. of Energy, Energy Information… …   Energy terms

• GEOGRAPHICAL SURVEY — Names The name Ereẓ Israel (the Land of Israel) designates the land which, according to the Bible was promised as an inheritance to the Israelite tribes. In the course of time it came to be regarded first by the Jews and then also by the… …   Encyclopedia of Judaism

• North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …   Universalium

• Silver Pit — The Silver Pit is a long valley in the bed of the North Sea, 45 km (27 miles) east of Spurn Head in England. In origin, it is probably a tunnel valley (Benn Evans fig.9.27) which was kept free of periglacial deposits by the Wash River when the… …   Wikipedia

• natural gas — a combustible mixture of gaseous hydrocarbons that accumulates in porous sedimentary rocks, esp. those yielding petroleum, consisting usually of over 80 percent methane together with minor amounts of ethane, propane, butane, nitrogen, and,… …   Universalium

• Fold (geology) — For other uses, see Fold (disambiguation). Very tight folds. Formation near Moruya, New South Wales, Australia …   Wikipedia