thermoremanent magnetism

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• Earth's magnetic field — Computer simulation of the Earth s field in a normal period between reversals.[1] The tubes represent magnetic field lines, blue when the field points towards the center and yellow when away. The rotation axis of the Earth is centered and… …   Wikipedia

• rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …   Universalium

• Rock — /rok/, n. a male given name. * * * I In geology, a naturally occurring and coherent aggregate of minerals. The three major classes of rock igneous, sedimentary, and metamorphic are based on the processes that formed them. These three classes are… …   Universalium

• Outline of geophysics — Seismic velocities and boundaries in the interior of the Earth sampled by seismic waves. The following outline is provided as an overview of and topical guide to geophysics: Geophysics – the physics of the Earth and its environment in space; also …   Wikipedia

• Louis Néel — Louis Eugène Félix Néel Born 22 November 1904(1904 11 22) Lyon, France Died 17 November 2000(2000 11 17 …   Wikipedia

• Natural remanent magnetization — (NRM) is the permanent magnetism of a rock or sediment. In some forms, it can preserve a record of the Earth s field and the tectonic movement of the rock over millions of years. Natural remanent magnetization forms the basis of paleomagnetism… …   Wikipedia

• Paleomagnetism — is the study of the record of the Earth s magnetic field preserved in various magnetic minerals through time. The study of paleomagnetism has demonstrated that the Earth s magnetic field varies substantially in both orientation and intensity… …   Wikipedia