Gneissoid granite

Gneissoid granite
Granite Gran"ite (gr[a^]n"[i^]t), n. [It. granito granite, adj., grainy, p. p. of granire to make grainy, fr. L. granum grain; cf. F. granit. See {Grain}.] (Geol.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and usually of a whitish, grayish, or flesh-red color. It differs from gneiss in not having the mica in planes, and therefore in being destitute of a schistose structure. [1913 Webster]

Note: Varieties containing hornblende are common. See also the {Note} under {Mica}. [1913 Webster]

{Gneissoid granite}, granite in which the mica has traces of a regular arrangement.

{Graphic granite}, granite consisting of quartz and feldspar without mica, and having the quartz crystals so arranged in the transverse section like oriental characters.

{Porphyritic granite}, granite containing feldspar in distinct crystals.

{Hornblende granite}, or

{Syenitic granite}, granite containing hornblende as well as mica, or, according to some authorities hornblende replacing the mica.

{Granite ware}. (a) A kind of stoneware. (b) A Kind of ironware, coated with an enamel resembling granite. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Granite — Gran ite (gr[a^]n [i^]t), n. [It. granito granite, adj., grainy, p. p. of granire to make grainy, fr. L. granum grain; cf. F. granit. See {Grain}.] (Geol.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and usually of a… …   The Collaborative International Dictionary of English

  • Granite ware — Granite Gran ite (gr[a^]n [i^]t), n. [It. granito granite, adj., grainy, p. p. of granire to make grainy, fr. L. granum grain; cf. F. granit. See {Grain}.] (Geol.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and… …   The Collaborative International Dictionary of English

  • Gneissoid — Gneis soid ( soid), a. [Gneiss + oid.] Resembling gneiss; having some of the characteristics of gneiss; applied to rocks of an intermediate character between granite and gneiss, or mica slate and gneiss. [1913 Webster] …   The Collaborative International Dictionary of English

  • Graphic granite — Granite Gran ite (gr[a^]n [i^]t), n. [It. granito granite, adj., grainy, p. p. of granire to make grainy, fr. L. granum grain; cf. F. granit. See {Grain}.] (Geol.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and… …   The Collaborative International Dictionary of English

  • Hornblende granite — Granite Gran ite (gr[a^]n [i^]t), n. [It. granito granite, adj., grainy, p. p. of granire to make grainy, fr. L. granum grain; cf. F. granit. See {Grain}.] (Geol.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and… …   The Collaborative International Dictionary of English

  • Porphyritic granite — Granite Gran ite (gr[a^]n [i^]t), n. [It. granito granite, adj., grainy, p. p. of granire to make grainy, fr. L. granum grain; cf. F. granit. See {Grain}.] (Geol.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and… …   The Collaborative International Dictionary of English

  • Syenitic granite — Granite Gran ite (gr[a^]n [i^]t), n. [It. granito granite, adj., grainy, p. p. of granire to make grainy, fr. L. granum grain; cf. F. granit. See {Grain}.] (Geol.) A crystalline, granular rock, consisting of quartz, feldspar, and mica, and… …   The Collaborative International Dictionary of English

  • Гранито-гнейс — Эйхвальд, 1849, Безбородько, 1918, гранит с первичной гнейсовой (гнейсовидной) текстурой. Термин сначала обозначал г. п., промежуточную между гранитом и гнейсом Г. г. это неясно сланцеватый или слоистый гнейс с преимущественно гранитовидно… …   Геологическая энциклопедия

  • ґранітоґнейс — гранитогнейс gneissoid granite Granitgneis, Gneisgranit сланцювата метаморфічна гірська порода, за мінералогічним складом тотожна з ґранітом. Текстура ґнейсоподібна. Структура проміжна між ґранітом і ґнейсом. Ряд дослідників вважають, що Ґ. це… …   Гірничий енциклопедичний словник

  • gneiss — noun Etymology: German Gneis, alteration of Middle High German gneiste spark, from Old High German gneisto; akin to Old English fȳrgnāst spark Date: 1757 a foliated metamorphic rock corresponding in composition to a feldspathic plutonic rock (as …   New Collegiate Dictionary

Share the article and excerpts

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