Poikilitic
Poikilitic Poi`ki*lit"ic, a. (Geol.) See {P[oe]cilitic}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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 — adjective Describing the texture of an igneous rock that has small crystals of one mineral scattered among larger crystals of another …   Wiktionary

  • 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

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”