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International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1995
Rock magnetism is the study of induced and remanent magnetization of ferrimagnetic mineral grains in rocks, sediments, soils, and organisms. Its applications include environmental magnetism, magnetic anisotropy, sources of continental and oceanic magnetic anomalies, records of geomagnetic field variations and polarity reversals, and the paleomagnetic ...
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Rock magnetism is the study of induced and remanent magnetization of ferrimagnetic mineral grains in rocks, sediments, soils, and organisms. Its applications include environmental magnetism, magnetic anisotropy, sources of continental and oceanic magnetic anomalies, records of geomagnetic field variations and polarity reversals, and the paleomagnetic ...
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Rock magnetism and magnetic minerals
1983Rock magnetism is the term commonly applied to the study of the magnetic properties of rocks and minerals, how these properties depend on factors such as grain size and shape, temperature and pressure, and the origin and characteristics of the different types of remanent magnetizations which rocks and magnetic minerals can acquire.
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Palaeomagnetism and rock magnetism
Earth-Science Reviews, 1966Summary The magnetic study of rocks leads to three broad fields of knowledge. The first is the history of continental movement as deduced from magnetic rocks, and the comparison of palaeomagnetically determined ancient latitudes with palaeoclimatological evidence. These areas are reviewed quite briefly. The second field is the history of the earth's
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Developments in rock magnetism
Reports on Progress in Physics, 1990Rock magnetism is concerned with the remanent magnetisation of ferrimagnetic fine particles in weak fields ( approximately=0.1 mT), at temperatures ranging from ambient to the Curie point, and over times of geological length. Since most magnetisations in rocks or their synthetic analogues are thermally activated, the blocking temperature below which ...
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1956
The main topic of this chapter is the discussion of the natural remanent magnetization of rocks with the object of inferring the direction of the geomagnetic field in the geological past. The reader who is interested in other aspects of rock magnetism is referred to the additional references at the end.
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The main topic of this chapter is the discussion of the natural remanent magnetization of rocks with the object of inferring the direction of the geomagnetic field in the geological past. The reader who is interested in other aspects of rock magnetism is referred to the additional references at the end.
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Physics Today, 2012
Charting the movement of tectonic plates or the evolution of a dynamo ultimately relies on the behavior of often imperfect mineral grains in Earth’s magnetic field.
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Charting the movement of tectonic plates or the evolution of a dynamo ultimately relies on the behavior of often imperfect mineral grains in Earth’s magnetic field.
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Earth-Science Reviews, 1971
Abstract In any rock six kinds of magnetic anisotropy can be distinguished, viz.: (1) shape alignment of grains; (2) alignment of crystals with magneto-crystalline anisotropy; (3) alignment of magnetic domains; (4) the stringing-together of magnetic grains, which is a special case of (1); (5) stress-induced anisotropy; and (6) exchange anisotropy ...
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Abstract In any rock six kinds of magnetic anisotropy can be distinguished, viz.: (1) shape alignment of grains; (2) alignment of crystals with magneto-crystalline anisotropy; (3) alignment of magnetic domains; (4) the stringing-together of magnetic grains, which is a special case of (1); (5) stress-induced anisotropy; and (6) exchange anisotropy ...
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1942
ContentsPageTable 201. Magnetic susceptibility of magnetite2952. Susceptibility of magnetic minerals2963. Range of magnetic susceptibility in major rock types2964. Susceptibility and remanent magnetization of rocks297 Magnetic susceptibility of magnetite and of ferromagnetic minerals.—Magnetite, by reason of its relatively high magnetic ...
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ContentsPageTable 201. Magnetic susceptibility of magnetite2952. Susceptibility of magnetic minerals2963. Range of magnetic susceptibility in major rock types2964. Susceptibility and remanent magnetization of rocks297 Magnetic susceptibility of magnetite and of ferromagnetic minerals.—Magnetite, by reason of its relatively high magnetic ...
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