poikilitic
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Poikilitic — Poi ki*lit ic, a. (Geol.) See {P[oe]cilitic}. [1913 Webster] … The Collaborative International Dictionary of English
Poikilitic — Ophitic redirects here. For the language, see Pontic Greek#Romeyka. Poikilitic texture refers to crystals, typically phenocrysts, in an igneous rock which contain small grains of other minerals. The texture is most easily observed in petrographic … Wikipedia
poikilitic — Poecilitic P[oe] ci*lit ic, a. [Gr. poiki los many colored, variegated.] (Geol.) (a) Mottled with various colors; variegated; spotted; said of certain rocks. (b) Specifically: Of or pertaining to, or characterizing, Triassic and Permian… … The Collaborative International Dictionary of English
poikilitic — /poy keuh lit ik/, adj. Petrog. (of igneous rocks) having small crystals of one mineral scattered irregularly in larger crystals of another mineral. [1830 40; < Gk poikíl(os) various + ITE1 + IC] * * * … Universalium
poikilitic — poi·ki·lit·ic … English syllables
poikilitic — … Useful english dictionary
Poecilitic — P[oe] ci*lit ic, a. [Gr. poiki los many colored, variegated.] (Geol.) (a) Mottled with various colors; variegated; spotted; said of certain rocks. (b) Specifically: Of or pertaining to, or characterizing, Triassic and Permian sandstones of red… … The Collaborative International Dictionary of English
Staurolite — is a red brown to black, mostly opaque, nesosilicate mineral with a white streak. It crystallizes in the monoclinic crystal system, has a Mohs hardness of 7 to 7.5 and a rather complex chemical formula: (Fe,Mg,Zn)2Al9(Si,Al)4O20(OH)4. Iron,… … Wikipedia
Lamproite — Lamproites are ultrapotassic mantle derived volcanic rocks. They have low CaO, Al2O3, Na2O, high K2O/Al2O3, a relatively high MgO content and extreme enrichment in incompatible elements.Lamproites are geographically widespread yet are… … Wikipedia
Chuska Mountains — The Chuska Mountains are an elongate range on the Colorado Plateau and within the Navajo Nation. The range is about 80 by 15 km (50 by 10 miles), and it trends north northwest and is crossed by the state line between Arizona and New Mexico.… … Wikipedia
