gneiss


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gneiss

 (nīs)
n.
A banded or foliated metamorphic rock, usually of the same composition as granite.

[German Gneis, probably alteration of Middle High German ganeist, spark (from its appearance), from Old High German gneista.]

gneiss′ic (nī′sĭk), gneiss′oid′ (nī′soid′), gneiss′ose′ (nī′sōs′) adj.

gneiss

(naɪs)
n
(Geological Science) any coarse-grained metamorphic rock that is banded and foliated: represents the last stage in the metamorphism of rocks before melting
[C18: from German Gneis, probably from Middle High German ganeist spark; related to Old Norse gneista to give off sparks]
ˈgneissic, ˈgneissoid, ˈgneissose, gneiˈssitic adj

gneiss

(naɪs)

n.
a metamorphic rock, generally made up of bands that differ in color and composition, some bands being rich in feldspar and quartz, others rich in hornblende or mica.
[1750–60; < German Gneis, ultimately derivative of Old High German gneisto spark]
gneiss′ic, gneiss′oid, adj.

gneiss

(nīs)
A type of metamorphic rock consisting of light-colored layers, usually of quartz and feldspar, alternating with dark-colored layers of other minerals. The layers are often folded into curves. See Table at rock.

gneiss

A coarse-grained metamorphic rock with minerals in wavy layers.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.gneiss - a laminated metamorphic rock similar to granite
metamorphic rock - rock altered by pressure and heat
Translations
rula
gnejs
gneiss
gneissi
gnajs
gnejs
gnejs

gneiss

[naɪs] Ngneis m

gneiss

nGneis m
References in periodicals archive ?
Larkfire is sourced on the Isle of Lewis where the water is held on the surface by 3-billion-yearold Lewisian gneiss rock, among the world's oldest.
year-old gneiss, was found in Hichiso, Gifu Prefecture, in 1970, the
The study by the Curtin University suggests that the rocks, part of the Acasta Gneiss Complex in northwest Canada, are the result of asteroids smashing into the Earth and melting its crust, allowing evolved, or granitic, rocks to form, reports Xinhua news agency.
Christie's auction offered an Egyptian fossil limestone jar, from the first and second dynasties, dating back to 3000-2650 BC, as well as an Egyptian anorthosite gneiss bowel, from the first and second dynasties, dating back to 3000 -- 2650BC.
Shao said that the construction site uses gneiss and marble as flexible yet highly permeable boundaries.
The metamorphic rocks that are found in the Meeiganga area and its surroundings include pyroxene amphibole gneiss, amphibole-biotite gneiss and banded amphibolite.
The Tet fault juxtaposes different lithological units including Neoproterozoic to Paleozoic metasediments, gneiss formed during the Hercynian orogen, post-Hercynian granite, and Neogene syntectonic sediments.
Another abundant metamorphic beach stone is gneiss. Many gneisses show bands of color that are dark or black against a light gray, pinkish or orange background.
A thorough index guides readers to meteorites, gneiss, winkles, pearls, sapphires, and the Painted Desert of Arizona.
Something about all those fives resonated with our ideas of the Founding Fathers and the gleaming white obelisk, whose tripartite nature -- marble, granite and bluestone gneiss -- seemed to speak of harmony, symmetry, and perhaps a bit of mystery.
Fissures in the riverbed gneiss allow the dam's discharge to break away large masses of rock.