transitive verb (-thrust; -thrusting) Date: 1893 to insert (a faulted rock mass) into position under a passive rock mass

New Collegiate Dictionary. 2001.

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  • underthrust — I. | ̷ ̷ ̷ ̷| ̷ ̷ transitive verb Etymology: under (I) + thrust 1. : to thrust underneath or out from underneath sulky underthrust lower lip 2. : to insert or move (a rock mass) into position by underthrust faulting II …   Useful english dictionary

  • underthrust — verb (past and past participle underthrust) Geology force (a body of rock) beneath another formation …   English new terms dictionary

  • underthrust — /un deuhr thrust /, n. Geol. a thrust fault in which the footwall moved and the hanging wall did not (opposed to overthrust). [1890 95; UNDER + THRUST] * * * …   Universalium

  • underthrust — verb To thrust under another …   Wiktionary

  • mountain — mountainless, adj. /mown tn/, n. 1. a natural elevation of the earth s surface rising more or less abruptly to a summit, and attaining an altitude greater than that of a hill, usually greater than 2000 ft. (610 m). 2. a large mass of something… …   Universalium

  • Geology of Taiwan — Taiwan is active geologically, showing plate boundary tectonics. The island formed at the junction of the Luzon Volcanic Arc (吕宋岛火山弧) and the Ryukyu Volcanic Arc (琉球火山弧). Subduction changes direction at Taiwan. South of the island, the Philippine …   Wikipedia

  • un|der|thrust — «UHN duhr THRUHST», noun, adjective. –n. Geology. 1. the forcing by compression of one rock mass under another, so as to produce a fault or fold. 2. the condition caused by such a forcing. –adj. of or having to do with an underthrust: »an… …   Useful english dictionary

  • Tarim Basin — The Tarim Basin (zh cp|c=塔里木|p=Talimu ) is a large endorheic basin occupying an area of more than 400,000 km². It is located in the Xinjiang Uyghur Autonomous Region in China s far west. Its northern boundary is the Tian Shan mountain range and… …   Wikipedia

  • Nappe — For other uses, see Nappe (disambiguation). Schematic overview of an eroded thrust system. The shaded material is the nappe. The erosional hole is called a window or fenster. The klippe is the isolated block of the nappe overlying autochthonous… …   Wikipedia

  • Robert R. Coats — Robert Roy Coats (1910 1995) was born in Toronto, Canada, and grew up in Marshalltown, Iowa and Seattle, Washington. He graduated valedictorian of his high school class in Seattle at the age of 16, and attended the University of Washington, where …   Wikipedia

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