GNEISS

nīs, coarse-grained, imperfectly foliated, or layered, metamorphic rock. Gneiss is characterized by alternating light and dark bands differing in mineral composition and having coarser grains than those of schist. The light bands of gneiss are generally composed of quartz and feldspar. Hornblende, biotite mica, garnet, or graphite commonly form the dark bands. Gneisses result from the metamorphism of many igneous or sedimentary rocks, and are the most common types of rocks found in Precambrian regions. Gneiss is found in New England, the Piedmont, the Adirondacks, and the Rocky Mts. Some gneisses are used as facing stone on buildings.

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The Columbia Encyclopedia, Sixth Edition Copyright© 2004, Columbia University Press. Licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

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Questia Books and Articles on: Gneiss
We found: 762 results
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294  

 

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books on: Gneiss  - 422 results

       More book Results: 1-10 11-20 21-30 31-40 41-50 >>  
 
1.
Aerogeology
Book by Horst F. Von Bandat; Gulf Pub. Co., 1962
Subjects: Aerial Photography In Geology, Photographic Interpretation
...characterization fits the para gneisses. Ortho gneiss topography is very close...varied origin of para gneisses will develop a wide range...material in itself. Gneiss has a prevalently light...mainly for the ortho gneisses. Para gneisses may darker...
2.
Earth Science Demystified
Book by Linda Williams; McGraw-Hill, 2004
Subjects: Earth Sciences--Popular Works
...that come from different original minerals. Gneiss rocks are also metamorphic in origin. Some gneiss rocks started out as granite, an igneous rock, but are changed by heat and pressure. Many gneiss rock samples have flattened mineral grains...
3.
A Textbook of Geology
Book by Amadeus W. Grabau; D.C. Heath, 1920
Subjects: Geology
...the rocks from which gneisses are derived, the following...Original Rock Corresponding Gneisses Produced by Metamorphism Granite Granite-gneiss Syenite Syenite-gneiss...been basal Palaeozoic. Gneiss forms the dominant rock...area of such ancient gneisses forms the so-called...
4.
Hellenistic Fortifications from the Aegean to the Euphrates
Book by A. W. McNicoll; Oxford University, 1997
Subjects: Excavations (Archaeology)--Greece, Excavations (Archaeology)--Middle East, Fortification, Greek--Middle East, Fortification--Greece, Greece--Antiquities, Hellenism, Middle East--Antiquities
...b 1.90-2.00 Myndus Limestone Granite -- 2.75 Schist ? -- 2.75 Alinda Gneiss 2.20-2.25 Alabanda Gneiss 2.40-2.70 Labraunda Hisar Kale Gneiss NR NR up to 2.50 Burgas Kale Gneiss? NR ? NR Hisar Tepe Kale NR NR ? 1.20 At...
5.
Italy: A Popular Account of the Country, Its People, and Its Institutions (Including Malta and Sardinia)
Book by W. Deecke, H. A. Nesbitt; Swan Sonnenschein, 1904
Subjects: Italy, Malta
...Corsica consists almost exclusively of gneiss and mica-schist with immense layers...well as a covering of porphyry, but the gneiss takes up two-thirds of the whole western...on the boundary between these and the gneiss, which points to a displacement of the...
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journal articles on: Gneiss  - 294 results

       More journal Results: 1-10 11-20 21-30 31-40 41-50 >>  
 
1.
Geochemistry and U-pb and 40ar-39ar Geochronology of the Man of War Gneiss, Lizard Complex, SW England: Pre-hercynian Arc-type Crust with a Sudeten-iberian Connection
Journal article by H. A. Sandeman, A. H. Clark, M. T. Styles, D. J. Scott; Journal of the Geological Society, Vol. 154, 1997
Subjects: Chemistry, England, Geology, Minerals, Plate tectonics
...present discussion. The Man of War Gneiss exhibits overall a gradation from...through well-foliated and corrugated gneisses (L93-14), to highly sheared...the northern marginal zone of the gneiss, adjacent to the Old Lizard Head...
2.
Neoproterozopic Extensional Basic Magmatism Assoicated with the West Highland Granite Gneiss in the Moine Supergroup of Nw Scotland
Journal article by Ian L. Millar; Journal of the Geological Society, Vol. 156, 1999
Subjects: Geological time, Plate tectonics, Scotland
...for the age of the granite gneiss was contradictory. A Rb...discussion). Emplacement of the gneiss at 1028 46 Ma was also difficult...Ma from an eclogite within gneisses underlying the basal Moine...of the West Highland granite gneiss, using a combination of high...
3.
Rb-sr and U-pb Geochronology of Migmatitic Gneisses from the Gory Sowie (West Sudetes, Poland): the Importance of Mid-late Devonian Metamorphism
Journal article by Michael Brocker, Andrzej Zelazniewicz, Michael Enders; Journal of the Geological Society, Vol. 155, 1998
Subjects: Geology, Poland, Stone
...is composed of amphibolite-facies gneiss sequences. Most gneisses are interpreted as derivatives of greywacke...gneiss, scaly gneiss, scaly laminated gneiss and augen gneiss. The variably migmatized gneisses are mainly characterized by the mineral...
4.
U-pb Geochronology of the Fort Augustus Granite Gneiss: Constraints on the Timing of Neoproterozoic and Palaeozoic Tectonothermal Events in the Nw Highlands of Scotland
Journal article by G. Rogers, P. D. Kinny, R. A. Strachan, C. R. L Friend, B. A. Paterson; Journal of the Geological Society, Vol. 158, 2001
Subjects: Geological time, Geology, Plate tectonics, Scotland
...Fort Augustus granite gneiss constitutes the easternmost...West Highland granite gneiss (Johnstone 1975...Fig. 1), the granite gneisses follow closely the boundary...Fig. 1), the granite gneisses transgress into the Loch...Fort Augustus granite gneiss forms an elongate mass...
5.
The Devonian Nesna Shear Zone and Adjacent Gneiss-cored Culminations, North-central Norwegian Caledonides
Journal article by P. T. Osmundsen, A. Braathen, O. Nordgulen, D. Roberts; Journal of the Geological Society, Vol. 160, 2003
Subjects: Geological time, Geology, Mountains, Norway
...cored by a series of gneiss domes including...Eclogite-bearing gneisses crop out on Tra...from the granitic gneiss windows to the lowermost...2). In banded gneisses along the SE coast...affects granitic gneisses of the Lower Allochthon...Allochthon granite gneiss is deformed into...
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magazine articles on: Gneiss  - 21 results

       More magazine Results: 1-10 11-20 21-21 >>  
 
1.
As Time Goes by
Magazine article by Robert L. Jaffe; Natural History, Vol. 115, October 2006
Subjects: Astronomy, Gravity, Quarks, Stars & galaxies, Time, Universe
...at M.I.T. gave me a small chunk of gneiss from Canadas Northwest Territories. It...oldest known rock on Hartli. The Acasta gneiss has persisted, largely undisturbed...thirds its present age. The ripples in the gneiss on my windowsill have changed little in...
2.
Is Life as Old as Earth Itself?
Magazine article by Phil Beradelli; Insight on the News, Vol. 12, December 30, 1996
Subjects: Evolution--Research, Life--Origin
...analyze sedimentary rocks from the Itsaq Gneiss Complex, a formation on Akilia Island...least, the carbon residue in the Itsaq Gneiss rocks "derives from biochemical processes...the chronological proximity of the Itsaq Gneiss residue with solar debris may be more...
3.
A Birthstone for Earth
Magazine article by Edmond A. Mathez; Natural History, Vol. 113, May 2004
Subjects: Greenland, Rocks, Zirconium
...The oldest rock discovered so far is from the socalled Acasta gneiss, a body made up of a variety of granitic rocks oi various ages...Canadas Northwest Territories. The oldest rock in the Acasta gneiss, based on the age of its zircon crystals, solidified slightly...
4.
Primal Therapy
Magazine article by Raymund Ryan; The Architectural Review, Vol. 202, August 1997
Subjects: Architects--Works, Baths--Design and construction, Zumthor, Peter--Works
...are in fact a composite of in situ concrete and load-bearing gneiss from a local quarry. None of the stacked stone is, in Zumthors...allow swimmers direct connection into the big outdoor pool. The gneiss is meticulously laid in bands of varying depths with visually...
5.
Civic Subtlety: A Run-Down Corner of a Little Italian City Has Apparently Effortlessly Been Brought into Urban Conversation
Magazine article; The Architectural Review, Vol. 216, December 2004
Subjects: Architects--Works, Castelletti, Marco--Works, Historic buildings--Design and construction
...its presence from the details themselves. For instance, the bottom of the flowing pool is in dark beola (a kind of blackish gneiss). It is striped with strips of pale granite that are projected over the lawn and help to turn the corner between park and...
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newspaper articles on: Gneiss  - 19 results

       More newspaper Results: 1-10 11-19 >>  
 
1.
Viva: The Woman Trading to the World from a Two-Bed House in Rhyl
Newspaper article; Daily Post (Liverpool, England), August 24, 2004
...She has sold almost 500 items so far in here Bay shop -- Gneiss And Easy -- and last month made a healthy pounds 1, 700...No-one understands what it means, she laughs. ``Gneiss comes from an old German word meaning `to sparkle. And rummaging...
2.
Recent Home and Property Sales Antioch Fox Lake Grayslake Gurnee Island Lake Kildeer Lake Villa Lake Zurich Lakemoor Libertyville Mundelein Round Lake Round Lake Beach Round Lake Heights Round Lake Park Vernon Hills Volo Wauconda
Newspaper article; Daily Herald (Arlington Heights, IL), February 1, 2010
Subjects: Real estate industry
...500; 316 Richard Court, Island Lake, 60042; Sold on Nov. 19, 2009, by North Star Trust Co. Trustee to Timothy P. Gneiss and Robyn R. Leska. $436,000; 21265 E. Cuba Road, Kildeer, 60047; Sold on Nov. 23, 2009, by Countrywide Bank to...
3.
Affluenza
Newspaper article; The Washington Times (Washington, DC), October 8, 2010
Subjects: Political parties--Reports
...the American Revolution. The obelisk is built of white marble from Maryland and Massachusetts, underlain by Maryland blue gneiss and Maine granite. It weighs 81,120 tons, stands 555 feet and 5 1/8 inches tall, has 896 steps, and walls up to 15 feet...
4.
Island of Wonderful Ironies
Newspaper article; Manila Bulletin, September 25, 2010
...Taiwu Mountain, the highest in the island, this breathtaking scenery is so much more evident. The 252 meters high granite-gneiss mountain provides the second best view of the island (next to Wu Hu Mountain, which is an ecological haven) besides being...
5.
WINE STYLE: On the Grapevine; Wines of Muscadet
Newspaper article; The Birmingham Post (England), August 11, 2004
...region. Dominique currently produces an average of 180,000 bottles a year. His old Muscadet vines were planted in 1945 on gneiss and granite soils and achieve lowerthan-average yields, around 50 hectolitres per hectare. He green harvests to reduce yields...
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encyclopedia articles on: Gneiss  - 6 results

       More encyclopedia Results: 1-6 >>  
 
1.
Gneiss
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...schist. The light bands of gneiss are generally composed...form the dark bands. Gneisses result from the metamorphism...Precambrian regions. Gneiss is found in New England...and the Rocky Mts. Some gneisses are used as facing stone...
2.
Precambrian
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...series is chiefly of sedimentary gneisses and schists. The Grenville limestone, marble, gneiss, and quartzite are predominantly...deposited, and a second series of gneisses and granites, the Algoman, was...
3.
Metamorphism
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...High grade metamorphism can segregate minerals, thereby forming bands. This foliation is called gneissic layering and forms gneiss from such rock as granite. Foliation does not always occur during metamorphism. Changes in Chemical Constituents Chemical...
4.
Joint , in Geology
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...result from shrinkage during cooling are commonly found in igneous rocks. Similar joints occur in thick beds of sandstone and gneiss, with the sheets resembling the structure of a sliced onion. The prismatic joints of the Palisades of New Jersey and Devils...
5.
Feldspar
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...calcium, or barium or combinations of these elements. Feldspar is found in association with all rock types, including granite, gneiss, basalt, and other crystalline rocks, and are essential constituents of most igneous rocks. Feldspars weather to yield a...
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