1) Banded metamorphic rock 2) Banded rock 3) Coarse-grained rock 4) Foliated rock 5) German geological term 6) Granitelike rock 7) Granitic rock 8) Industrial mineral 9) Laminated rock 10) Layered rock 11) Metamorphic rock 12) Metamorphic rock with bands 13) Pleasant-sounding rock 14) Quartz source
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a metamorphic rock composed, like granite, of quartz, feldspar or orthoclase, and mica but distinguished from it by its foliated or laminated structure
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• (n.) A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and it is then called hornblendic / syenitic gneiss. Similar varieties of related ...
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metamorphic rock that has a distinct banding, which is apparent in hand specimen or on a microscopic scale. Gneiss usually is distinguished from ... [9 related articles]
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http://www.britannica.com/eb/a-z/g/40
Gneiss. Credit: Mineral Information Institute A course-grained banded or foliated metamorphic rock, in which the minerals are arranged in darker and lighter layers. The chief components are irregular, granular bands of quartz and feldspar alternating with thin undulating bands of micas and amph...
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Generally a coarse grained banded crystalline metamorphic rock which has been subject to high temperatures and pressures.
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Metamorphic rock, showing distinct banding of light and dark minerals. Usually made of feldspars, micas and hornblende.
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<geology> A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. ... Hornblende sometimes takes the place of the mica, and it is then called hornblendic or syenitic gneiss. Similar varieties of...
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A metamorphic rock with a banded or coarsely foliated structure; often called Trade Granite
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A coarse-grained, foliated metamorphic rock marked by bands of light-colored minerals such as quartz and feldspar that alternate with bands of dark-colored minerals. This alternation develops through metamorphic differentiation.
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A coarse-grained, foliated rock produced by regional metamorphism. The mineral grains within gneiss
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http://www.encyclo.co.uk/local/22392
Gneiss (nīs)
noun [ G.]
(Geol.) A crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and i...
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http://www.encyclo.co.uk/webster/G/39
A coarse-grained metamorphic rock with a characteristic type of foliation (gneissic layering), resulting from alternating layers of light-colored and darkcolored minerals. Its composition is generally similar to that of granite.
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A metamorphosed coarse grained igneous rock. In this rock you get the recrystallization of quartz, feldspars, micas and amphiboles into bands.
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Gneiss refers to a crystalline rock, consisting, like granite, of quartz, feldspar, and mica, but having these materials, especially the mica, arranged in planes, so that it breaks rather easily into coarse slabs or flags. Hornblende sometimes takes the place of the mica, and it is then called hornblendic or syenitic gneiss. Similar varieties of re...
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A coarse-grained regional metamorphic rock that shows compositional banding and parallel alignment of minerals.
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A metamorphic rock with a banded or coarsely foliated structure, often called Trade Granite. Composed essentially of silicate minerals with interlocking and visibly granular texture in which the foliation is due primarily to alternating layers, regular or irregular, of contrasting mineralogic composition.
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Translations for „Gneiss“ Become a Premium Member today! See under soil type. Floor type Next to climate and grape variety, one of the most important factors influencing the quality of wine. The different soil types have developed over millions of years through physical and chemical weathering of rocks and through humification of...
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https://glossary.wein.plus/gneiss
a roughly foliated or banded metamorphic rock consisting largely of granular minerals with its platy and rodlike minerals defining the foliation; many gneisses are of granitic composition.
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Coarse-grained metamorphic rock, formed under conditions of high temperature and pressure, and often occurring in association with schists and granites. It has a foliated, or layered, structure consisting of thin bands of micas and/or amphiboles dark in colour alternating with bands of granular quartz and feldspar that are light in colour. ...
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igneous or sedimentary rocks that were subjected to metamorphic conditions such as high heat and pressure
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A coarse, foliated metamorphic rock in which bands of granular minerals (commonly quartz and feldspars) alternate with bands of flaky or elongate minerals (e.g., micas, pyroxenes). Generally less than 50% of the minerals are aligned in a parallel orientation.
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A layered or banded crystalline metamorphic rock the grains of which are aligned or elongated into a roughly parallel arrangement.
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(pronounced 'nice'). A metamorphic rock that has been subjected to such great pressures that new crystals have replaced the original ones. The original rock approached melting point, and, as a result, changed to this granite-like rock with banding of different crystals.
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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.
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https://www.infoplease.com/dictionary/gneiss
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