Gneiss Definition

nīs
noun
A coarsegrained metamorphic rock resembling granite, consisting of alternating layers of different minerals, such as feldspar, quartz, mica, and hornblende, and having a banded appearance.
Webster's New World

Other Word Forms of Gneiss

Noun

Singular:
gneiss
Plural:
gneisses

Origin of Gneiss

  • German Gneis probably alteration of Middle High German ganeist spark (from its appearance) from Old High German gneista

    From American Heritage Dictionary of the English Language, 5th Edition

  • From German Gneis, from Middle High German gneist (“spark”), from Old High German gneisto (“spark”). More at gnast.

    From Wiktionary

Gneiss Sentence Examples

  • Rift valley, overlying a formation of granite, gneiss and quartz.

  • The rocks of its lower half are mainly granite and gneiss; its upper half is composed of porphyritic greenstone, and a variety of minerals occur.

  • The Cordillera, which bounds them on the west, is formed of folded beds, while the Sierras which rise in their midst, consist mainly of gneiss, granite and schist.

  • Bismuth occurs in metalliferous veins traversing gneiss or clay-slate, and is usually associated with ores of silver and cobalt.

  • Archean rocks - gneiss, schist and granite - cover large areas through which the Nile cuts its way in alternate narrow gorges and open reaches.

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Words Starting With

GGNGNE

Words Ending With

SSSISS

Unscrambles

gneiss

Words Starting With G and Ending With S

Starts With G & Ends With SStarts With GN & Ends With SStarts With G & Ends With SS

Word Length

6 Letter Words6 Letter Words Starting With G6 Letter Words Ending With S