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pelitic

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pelitic
pelitic, a. Geol. (pɪˈlɪtɪk) [f. prec. + -ic.] Of the nature of pelite; composed of fine sediment.1879 Rutley Study Rocks xiv. 299 The clastic rocks..he divides into the psephitic, the psammitic, and the pelitic. Oxford English Dictionary
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Pelite
It represents a common type of regional pelitic orogenic metamorphism. He observed that as a pelitic rock undergoes higher pressures and temperatures, its mineral assemblage changes from predominantly chlorite to biotite to wikipedia.org
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psammite
psammite Min. (ˈpsæmaɪt, ˈsæmaɪt) [a. F. psammite, f. Gr. ψάµµος sand + -ite: cf. Gr. ψαµµίτης sandy.] Orig., a fine or smooth-grained sandstone: see quot. 1859. In later use, a sediment or sedimentary rock composed of medium-sized particles (now commonly defined to be between 1/16 mm and either 2 o... Oxford English Dictionary
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Cordierite
Occurrence Cordierite typically occurs in contact or regional metamorphism of pelitic rocks. It is especially common in hornfels produced by contact metamorphism of pelitic rocks. wikipedia.org
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Protolith
Similarly, sedimentary protoliths can be classified as quartzo-feldspathic, pelitic, carbonate rocks, or some mixture of the three. wikipedia.org
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lutite
lutite Geol. (ˈlʌtaɪt) Formerly also -yte. [f. L. lut-um mud + -ite1 2 b.] = pelite. So luˈtaceous a. [-aceous] = pelitic a.1904 A. W. Grabau in Amer. Geologist XXXIII. 242 The third texture [sc. that of ‘rock flour or impalpable powder’], finally, may be designated by the term lutaceous, (from lutu... Oxford English Dictionary
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Metamorphic zone
The main lithologies are ultramafic, mafic, felsic (or quartzo-feldspathic), pelitic and calcareous. Barrovian zones are especially easy to recognize in pelitic rocks. wikipedia.org
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Muva
1.8 billion year old shallow marine to coastal sequence which includes dunal deposits (aeolian), beach sands, offshore sand deposits and deeper water pelitic wikipedia.org
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Argillite
The term pelitic or pelite is often applied to these sediments and rocks. Metamorphism of argillites produces slate, phyllite, and pelitic schist. wikipedia.org
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泥质结构
泥质结构（pelitic texture）又称粘土结构（clay texture），是粘土岩的特有结构。其特点是岩石中粘土物质占50%以上，由于混有不同含量的砂及粉砂，故存在一系列过渡型结构。 由极细小（小于0.005mm）的粘土矿物组成，比较致密均一和质地比较软的结构。 wikipedia.org
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Cardigan Pluton
The pluton ranges in composition from granite to tonalite (S-type) and is likely derived from crustal melting of pelitic rocks. wikipedia.org
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Leucogranite
The leucogranite magmas are interpreted to have been derived by melting of pelitic rocks in the upper portions of thickened crust. wikipedia.org
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Sevilleta Metarhyolite
Geology The unit is a thick sequence of interbedded metarhyolites, pelitic schists, and amphibolites. wikipedia.org
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Ashe Metamorphic Suite
Pelitic schists The pelitic rocks of the Ashe Metamorohic Suite to the north of the Grandfather Mountain Window are primarily muscovite schists. Depending on the metamorphic grade, the pelitic rocks can be consist of quartz, plagioclase, biotite, garnet, chlorite, staurolite, and kyanite. wikipedia.org
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Barron Lake (Labrador)
syenite and alkali feldspar granite, and compositionally equivalent well-banded gneiss; and pre-Labradorian supracrustal rocks (dated 1800-1770 ma): pelitic wikipedia.org
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