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The minerals bands in this specimen are just beginning to develop, but are distinctly separate from each other putting it in the gneissic category. This specimen is not far removed from a schist seen closeup (for example), but the megascopic banding here puts it in the gneiss category.
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csmres.jmu.edu/geollab/Fichter/MetaRx/Rocks/gneiss1.htm...
csmres.jmu.edu/geollab/Fichter/MetaRx/Rocks/gneiss1.html
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({{Information |Description= Amphibolitic gneiss, coarse grained. Dark minerals are amphibole, red is garnet, white is plagioclase. Island of Otrøy, Møre og Romsdal province, Norway. Rock is tectonically part of an allochthon (i.e. paleocontinent Laurent)
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commons.wikimedia.org/wiki/File:Amphibolitic_gneiss.JPG
commons.wikimedia.org/wiki/File:Amphibolitic_gneiss.JPG
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A large boulder of Lewissian Gneiss perched next to the road leading to the jetty at Culkein, Drumbeg. ... Usage of Lewissian Gneiss Boulder.jpg on enwiki ... Categories: Gneiss | Assynt | North West Highlands Geopark...
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commons.wikimedia.org/wiki/File:Lewissian_Gneiss_Boulde...
commons.wikimedia.org/wiki/File:Lewissian_Gneiss_Boulder.jpg
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Study of Gneiss Rock, Glenfinlass. Pen, brown ink, ink wash (lamp-back) and bodycolour, 47.7 x 32.7 cm. Ashmolean Museum, Oxford, England ... This is a file from the Wikimedia Commons. The description on its description page there is shown below. Commons is a freely licensed media file repository. You can help.
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en.wikipedia.org/wiki/File:Study_of_Gneiss_Rock.jpg
en.wikipedia.org/wiki/File:Study_of_Gneiss_Rock.jpg
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Similar questions: What is the description of gneiss? What are the bands of gneiss made of? What do the bands of gneiss contain? What are the light bands of gneiss made of? What is in the dark bands of gneiss? What does gneiss look like?
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qanda.encyclopedia.com/question/characteristics-gneiss-...
qanda.encyclopedia.com/question/characteristics-gneiss-87798.html
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Gneiss granofels and Migmatite - Gneiss and granofels range in composition from felsic to intermediate to mafic; intermediate compositions predominate. Contains a wide variety of rock types including graphitic schist and marble.
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tin.er.usgs.gov/geology/state/sgmc-unit.php?unit=NJYg%3...
tin.er.usgs.gov/geology/state/sgmc-unit.php?unit=NJYg%3B3
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A brief description of gneiss ... A brief description of the nature of gneiss ... Gneiss is a tough, hard, coarse-grained metamorphic rock. It looks like it has ribbons or stripes of different coloured minerals running through it. It is usually light in colour, but it can be quite dark.
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www.open2.net/sciencetechnologynature/worldaroundus/too...
www.open2.net/sciencetechnologynature/worldaroundus/toolkit/gneiss.html
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DESCRIPTION: Gneiss (pronounced nīce) has been defined differently by different geologists. In this document, the following definition pertains: Gneiss is a roughly foliated or banded metamorphic rock that consists largely of granular minerals such as quartz.
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www.cst.cmich.edu/users/dietr1rv/gneiss.htm
www.cst.cmich.edu/users/dietr1rv/gneiss.htm
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The sample is a polished slab of Lewisian gneiss, from the ancient Scourian rock formations. It has been cut to be used as a decorative cladding on a building. The specimen is of Precambrian, Lewisian age. British Geological Survey Petrology ... Description: Specimen of gneiss from North-west Highlands, Scotland.
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www.scran.ac.uk/000-000-524-144-C?
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