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metasomatism
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metasomatism
metasomatism Geol. (mɛtəˈsəʊmətɪz(ə)m) [f. meta- + Gr. σωµατ-, σῶµα body + -ism.] = metasomatosis.1886 T. S. Hunt Min. Physiol. & Physiogr. 83 Constituting what has been appropriately designated metasomatism. 1896 Van Hise in 16th Rep. U.S. Geol. Surv. i. 689 Metasomatism may be defined as the proce...
Oxford English Dictionary
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Metasomatism
Synonyms of the word metasomatism are metasomatosis and metasomatic process. In modal metasomatism, new minerals are formed.
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metasomatize
metasomatize, v. Geol. (mɛtəˈsəʊmətaɪz) [f. metasomatism + -ize.] trans. To change as a result of metasomatism. So metaˈsomatized ppl. a.1942 Mineral. Abstr. VIII. 242 Xenoliths of siltstone or sandstone country-rock are metasomatized to granophyre. 1955 Mineral. Mag. XXX. 681 The carbonatite contai...
Oxford English Dictionary
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Paragenesis
studies of igneous and metamorphic rock genesis and importantly in studies of the hydrothermal deposition of ore minerals and the rock alteration (vein metasomatism
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metasomatic
metasomatic, a. (ˌmɛtəsəʊˈmætɪk) [f. prec. or next: see -ic.] 1. Zool. Pertaining to the metasoma.1890 in Century Dict. 1893 Shipley Zool. Invert. 398 Extends into the narrow metasomatic segments. 2. Geol. Pertaining to or of the nature of metasomatism.1886 T. S. Hunt Min. Physiol. & Physiogr. 84 A ...
Oxford English Dictionary
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Pneumatolysis
See also
Metasomatism
References
Further reading
Philip Lake and R. H. Rastall. A textbook of geology (1920). 3rd ed. Edward Arnold: London.
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Serendibite
The mineral is found in skarns associated with boron metasomatism of carbonate rocks where intruded by granite.
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Recrystallization (geology)
This is in contrast to metasomatism, which is the chemical alteration of a rock by hydrothermal and other fluids.
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Propylitic alteration
See also
Metasomatism
References
Geological processes
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تكون ترتيبي
يستخدم هذا المبدأ في دراسة نشوء وتكوّن الصخور النارية والصخور المتحولة؛ وكذلك التوضع الحرمائي لمعادن الخامات، وكذلك تغيّر الصخور بسبب تحوال Metasomatism
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Megacryst
hence an earlier crystallization than the matrix in which they are embedded
Porphyroblasts, which develop in solid rock as the result of metamorphism or metasomatism
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PDF 华北中、新生代岩石圈地幔的交代作用: 含金云母地幔岩提供的证据
碱性玄武岩中含丰富的下地壳麻粒岩、辉石岩和上地幔橄榄 岩捕虏体(SongandFrey,1989;Tatsumotoetal.,1992;刘丛
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Tugarinovite
It occurs as a primary mineral phase associated with metasomatism in a sulfur deficient reducing environment.
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Skarn
Skarns or tactites are coarse-grained metamorphic rocks that form by replacement of carbonate-bearing rocks during regional or contact metamorphism and metasomatism Skarns may form by metamorphic recrystallization of impure carbonate protoliths, bimetasomatic reaction of different lithologies, and infiltration metasomatism
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Myrmekite
Myrmekite formed during Ca-metasomatism
During Ca- metasomatism myrmekite can be formed under different circumstances:
Ca-metasomatism of deformed K-feldspar in magmatic rocks
Ca-metasomatism of deformed K-feldspar in charnockites
Ca-metasomatism of deformed plagioclase in anorthosites
Ca-metasomatism of
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