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Common high-grade metamorphic rock
Gneiss (/naɪs/ NYSE) is a common and widely distributed type of metamorphic rock. It is formed by high-temperature and high-pressure metamorphic processes
Gneiss
Topics referred to by the same term
Gneiss is a common and widely distributed type of metamorphic rock Gneiss may also refer to: Gneiss Hills and Gneiss Lake, in Antarctica Gneiss Point
Gneiss_(disambiguation)
Hills in Antarctica
The Gneiss Hills (60°44′S 45°39′W / 60.733°S 45.650°W / -60.733; -45.650) are two prominent hills, 270 and 260 metres (890 and 850 ft) high, at the
Gneiss_Hills
Metamorphic rock unit in Canada
The Acasta Gneiss Complex, also called the Acasta Gneiss, is a body of felsic to ultramafic Archean basement rocks, gneisses, that form the northwestern
Acasta_Gneiss
Gneiss Point (77°24′S 163°45′E / 77.400°S 163.750°E / -77.400; 163.750) is a rocky point 2 nautical miles (4 km) north of Marble Point, on the coast
Gneiss_Point
Borough and county in New York, US
bedrock in the Bronx is Fordham gneiss, while that of Manhattan is schist has led to the expression: "The Bronx is gneiss (nice) but Manhattan is schist
The_Bronx
Ancient rock
Morton gneiss, also known as rainbow gneiss, is an Archean-age gneiss found in the Minnesota River Valley of southwestern Minnesota, United States. It
Morton_Gneiss
Gneiss-2 was the first Soviet produced airborne radar system. It was introduced in 1942, and was installed on Petlyakov Pe-2, Petlyakov Pe-3 and Douglas
Gneiss-2
Large geological unit in Norway, part of the Baltic shield
The Western Gneiss region (Norwegian: Gneisregionen) is a large geological unit in Norway chiefly made of gneiss rock that formed through metamorphism
Western_Gneiss_region
Geological formations in India
Peninsular Gneiss or Peninsular Gniessic Complex are the gneissic complex of the metamorphics found all over the Indian Peninsula, on top of which the
Peninsular_Gneiss
State park in North Carolina, United States
waterfall, Hickory Nut Falls. Its most notable feature is a 315-foot (96 m) gneiss monolith named Chimney Rock, which is accessible by elevator and provides
Chimney_Rock_State_Park
Suite of Precambrian metamorphic rocks that outcrop in the northwestern part of Scotland
The Lewisian complex or Lewisian gneiss is a suite of Precambrian metamorphic rocks that outcrop in the northwestern part of Scotland, forming part of
Lewisian_complex
Geological complex of ancient rocks in Western Australia
The Narryer Gneiss terrane is a geological complex in Western Australia that is composed of a tectonically interleaved and polydeformed mixture of granite
Narryer_Gneiss_terrane
The Port Deposit Gneiss is a Paleozoic gneiss formation in Cecil County, Maryland. It is described as a "Moderately to strongly deformed intrusive complex
Port_Deposit_Gneiss
Includes rocks over 4 billion years old from the Hadean Eon
Earth was dated to 4.031 ±0.003 billion years, and is part of the Acasta Gneiss of the Slave Craton in northwestern Canada. Researchers at McGill University
Oldest_dated_rocks
2nd-highest mountain on Earth
consist of metamorphic rocks, known as the K2 Gneiss and part of the Karakoram Metamorphic Complex. The K2 Gneiss consists of a mixture of orthogneiss and
K2
Body of rock in New Mexico, U.S.
The Cibola gneiss is a pluton in central New Mexico, United States. It has a radiometric age of 1653±16 Ma, corresponding to the Statherian period. The
Cibola_gneiss
Town in North Carolina, United States
population was 140 at the 2020 census. The village took its name from a large gneiss outcrop located on a summit above the village itself in Chimney Rock State
Chimney_Rock,_North_Carolina
The Gneiss and Granite Plateau (German: Granit- und Gneisplateau, also called the Granite and Gneiss Highland (Granit- und Gneishochland), is one of the
Granite_and_Gneiss_Plateau
Granitic rock
the gneiss showed the development of garnet replacing the dark biotite. The study indicated localized melting or migmatization within the gneiss. This
Leucogranite
formed by faulting Eclogite – Metamorphic rock formed under high pressure Gneiss – Common high-grade metamorphic rock Granulite – Class of high-grade medium
List_of_rock_types
Geological formation in the United States
layered gneiss member, the augen gneiss member, the streaked-augen gneiss member, and the hornblende gneiss member. Additionally, the Baltimore Gneiss outcrops
Baltimore_Gneiss
2010 novel by Piers Anthony
Knot Gneiss is a fantasy novel by British-American writer Piers Anthony, the 34th book of the Xanth series. "New On The Shelves". The Vicksburg Post. 24
Knot_Gneiss
Repetitive layering in metamorphic rocks
schist and gneiss. The slatey cleavage typical of slate is due to the preferred orientation of microscopic phyllosilicate crystals. In gneiss, the foliation
Foliation_(geology)
Part of the valley of the North Toe River in North Carolina, US
textures in these rocks can either be schistose or gneissic. They transition into the mica gneiss and schist units. Major minerals in both include mica
Spruce_Pine_Mining_District
Archean greenstone belt in southwestern Greenland
capital region. It forms the largest supracrustal enclave in the Itsaq Gneiss Complex, which predominantly comprises 3850 - 3600 million year old (Ma)
Isua_Greenstone_Belt
Geologic province
Canada. It is 1,400 km (870 mi) long, and separates the older Archean gneissic terrane to the south from younger Late Archean greenstone-granite terrane
Great_Lakes_tectonic_zone
Mountain range in western India
These two supergroups rest over the Archean Bhilwara Gneissic Complex basement, which is a gneissic (high-grade metamorphism of sedimentary or igneous rocks)
Aravalli_Range
Foliated metamorphic rock
foliated metamorphic rock. In India, it is also called Bezwada Gneiss and Kailasa Gneiss. It was named after the Khond tribe of Odisha and Andhra Pradesh
Khondalite
Study of the oldest crustal fragments on Earth
localities, the Isua Greenstone Belt in Southwest Greenland, the Acasta Gneiss in the Slave Craton in Canada, and the Nuvvuagittuq Greenstone Belt on the
Eoarchean_geology
Naturally occurring mineral aggregate
minerals such as micas. A gneiss has visible bands of differing lightness, with a common example being the granite gneiss. Other varieties of foliated
Rock_(geology)
Ancient segment of Earth's crust
northern Baltic Sea. It is composed mostly of Archean and Proterozoic gneisses and greenstone which have undergone numerous deformations through tectonic
Baltic_Shield
Mountain in Greenland
Wall is a sea cliff found in the Northeast Greenland National Park. The gneiss cliff is around 450 meters (1,500 feet) high from base to summit. The top
Pool_Wall_(mountain)
Overview article
constitute the stratigraphy of the mountain range, with the Archean Bhilwara Gneissic Complex basement being the lowest strata, followed by the overlying lower
Tectonic evolution of the Aravalli Mountains
Tectonic_evolution_of_the_Aravalli_Mountains
southern part if the island is largely composed of Icart Gneiss. The Icart Gneiss is an augen gneiss of granitic composition containing potassium feldspar
Geology_of_Guernsey
Fragment of Earth's crust
rocks into gneiss and metamorphosed sedimentary rocks. Nonetheless, the gneisses in both areas have slightly different geological records. Gneisses in Luxi
Eastern Block of the North China Craton
Eastern_Block_of_the_North_China_Craton
Mountain range in France
large Carboniferous mountain eroded just before the Permian period with gneiss, granites, porphyritic masses or other volcanic intrusions. The north, south
Vosges
Igneous rock
variety of nepheline syenite, sometimes called nepheline syenite gneiss or gneissic nepeheline syenite. Litchfieldite is composed of two varieties of
Litchfieldite
Mountain range in Wyoming, United States
pressure metamorphosed the sediment into gneiss. Subsequently, magma was forced up through the cracks in the gneiss to form granite, anywhere from inches
Teton_Range
Isolated, steep rock hill on relatively flat terrain
surrounding plain. If the inselberg is dome-shaped and formed from granite or gneiss, it can also be called a bornhardt, though not all bornhardts are inselbergs
Inselberg
Plutonic rock found in New Mexico, US
The San Miguel gneiss is a Paleoproterozoic pluton in the Nacimiento Mountains of New Mexico. It has a radiometric age of 1.695 billion years, corresponding
San_Miguel_gneiss
Zone of variably metamorphosed rocks occurring in Archaean and Proterozoic cratons
that occur within Archaean and Proterozoic cratons between granite and gneiss bodies. The name comes from the green hue imparted by the colour of the
Greenstone_belt
Large craton in Western Australia
2.8 billion year old (~2.8 Ga) granite-gneiss metamorphic terrain (the Southwestern Province and Western Gneiss Belt), and three granite-greenstone terrains
Yilgarn_Craton
Mountain range in Oklahoma, United States
the Appalachian and Rocky Mountains. They contain a core of granite and gneiss that date back at least 1.4 billion years. The core is overlain by a 1,500
Arbuckle_Mountains
Geologic formation in Connecticut, United States
felsic gneiss; 5) felsic gneiss with scattered biotite +/-magnetite, garnet, and hornblende; 6) interbedded amphibolite and white felsic gneiss; and 7)
Collinsville_Formation
Tehsil in Palakkad district
charnockite, hornblende gneiss, migmatitic amphibolite, quartz biotite gneiss, quartz-feldspathic gneiss, biotite granite gneiss, and pegmatite. Among the
Attappadi_taluk
Scottish geologist and explorer
crystalline form and into calcareous gneiss. In the vicinity of the high mountains the rock was biotite gneiss. The high peaks north west of Everest
Alexander_Heron
Dolmen from the Neolithic period
burials to be spaced out over time. All slabs are made of locally quarried gneiss. View from south-west View from southeast (entrance) View from the northeast
Siureda_dolmen
U.S. national memorial in Washington, D.C.
Reflecting Pool and the Lincoln Memorial, the monument is made of bluestone gneiss for the foundation and of granite for the construction. The outside facing
Washington_Monument
Range of hills in Western Australia
a granulite gneiss, which has undergone multiple deformations and multiple metamorphic episodes. The protolith age of the Narryer Gneiss terrane is variable
Jack_Hills
Electronic and ambient trio from the U.S.
maintains multiple labels including McGuire & Elliott's Wagon, Hauschildt's Gneiss Things and Elliott's curated imprint Spectrum Spools. Emeralds were invited
Emeralds_(band)
Mixture of metamorphic rock and igneous rock
can still be discerned. Deeper still, the schists are reconstituted as gneiss 'C2' in which folia of residual minerals alternate with quartzo-feldspathic
Migmatite
National Park on the west coast of Newfoundland
Long Range Inlier, Long Range Complex or Basement Gneiss Complex, consisting of quartz–feldspar gneisses and granites that are up to 1550 Ma in age. Mt.
Gros_Morne_National_Park
Fault in Highland, Scotland, UK
although it is significantly wider on Skye. The presence of metamorphic gneisses and schists lying apparently stratigraphically above sedimentary rocks
Moine_Thrust_Belt
City in Georgia, United States
while the Lithonia gneiss is a form of metamorphic rock. The Stone Mountain granite is younger than, and has intruded the Lithonia gneiss. The area has a
Lithonia,_Georgia
melanocratic Amitsoq gneiss, which is intruded by and complexly folded into the younger leucocratic Nuuk gneiss. This western gneiss complex is approximately
Geology_of_Greenland
Neighbourhood in Bengaluru Urban, Karnataka, India
state of Karnataka. It is an abrupt rise above the ground of peninsular gneiss as the main rock formation and with an assessed age of about 3,000 million
Bugle_Rock
great quantities at multiple quarries. For example, at the anorthosite gneiss quarry at Gebel el-Asr, which was used almost exclusively to produce hard
Stone vessels in ancient Egypt
Stone_vessels_in_ancient_Egypt
Mountain in New York, United States
composed of gneiss. A restored, 1933 fire tower is near the summit and open to the public (as of 2023) via hiking trails. Stissing is primarily gneiss but shale
Stissing_Mountain
Geologic eon, 4567–4031 million years ago
a metamorphosed sandstone conglomerate in the Jack Hills of the Narryer Gneiss terrane of Western Australia, date to 4.404 ± 0.008 Ga. This zircon is a
Hadean
Precambrian geological formation in northeast South America
of Archean Imataca Complex, composed of a quartz-feldspar gneiss and subordinate mafic gneiss. The Guri Fault marks the southern boundary of the complex
Guiana_Shield
Part of the Caledonian orogenic belt in northwest Scotland
Moine Thrust Belt. The basement is formed by Archaean and Paleoproterozoic gneisses of the Lewisian complex, unconformably overlain by the Neoproterozoic Torridonian
Hebridean_terrane
Uninhabited island in Nunavut, Canada
442.33 sq mi) (slightly smaller than Croatia). The bedrock is Precambrian gneiss and Paleozoic siltstones and shales. The highest point is the Devon Ice
Devon_Island
Belt of Archean to Paleoproterozoic rock in the Canadian Shield
belt of Archean to Paleoproterozoic granitic basement gneiss, amphibolite supracrustal gneissic rock and Paleoproterozoic magmatic rocks in the Canadian
Taltson_magmatic_zone
Country in South America
Venezuelan part of the Guyanas Altiplano consists of a large granite block of gneiss and other crystalline Archean rocks, with underlying layers of sandstone
Venezuela
Mountain in Italy
of two different rock formations, one made up of granitoid gneiss, the other of mixed gneiss and different kinds of migmatite. The four peaks are (from
Monte_Matto
Portion of the Eastern Alps mountain range
valley and via the Splügen Pass. The Central Alps consist mainly of the gneiss and slate rocks of the various Austroalpine nappes (Lower and Upper Austroalpine)
Central_Eastern_Alps
Mountain range in Montana, United States
County, Montana. The Spanish Peaks are made up of 1.6 billion year-old gneiss, making them the oldest peaks in the Madison Range, predating the rest of
Spanish_Peaks_(Montana)
U.S. state
the 12th-largest state. Minnesota has some of the earth's oldest rocks, gneisses that are about 3.6 billion years old (80% as old as the planet). About
Minnesota
Capital of Karnataka, India
the terrain is uneven, with small hills and rocks made of granite and gneiss. The soil in the city consist of red laterite and red, fine loamy to clayey
Bengaluru
First era of the Archean Eon
south-west coast of Greenland, which dates from 3.8 billion years. The Acasta Gneiss within the Canadian Shield have been dated to be 4,031 Ma and are therefore
Eoarchean
Mountain range in Poland
(2,000 ft) to 980 m (3,220 ft) metres above sea level. The Precambrian gneiss rocks of the Owl Mountains constitute the oldest part of the Sudetes and
Owl_Mountains
System that relates geologic strata to time
(4030–3490 Ma) Acastan Period/System (4030–3810 Ma) – named after the Acasta Gneiss, one of the oldest preserved pieces of continental crust. Isuan Period/System
Geologic_time_scale
Rock that was subjected to heat and pressure
depths within the Earth's crust. Some examples of metamorphic rocks are gneiss, slate, marble, schist, and quartzite. Slate and quartzite tiles are used
Metamorphic_rock
Earth's outer shell of rock
28 billion years and have been found in the Narryer Gneiss terrane in Western Australia, in the Acasta Gneiss in the Northwest Territories on the Canadian Shield
Earth's_crust
life" for exceptional preservation of fossils. Narryer gneiss terrane stabilizes: these gneisses become the "bedrock" for the formation of the Yilgarn
Timeline_of_Earth
Funerary statue
It is now located in the Egyptian Museum in Cairo. Made of anorthosite gneiss, a valuable, extremely hard, and dark stone, it was brought 1,000 km (620 mi)
Khafre_Enthroned
Place in Northern Cape, South Africa
Khoisan or Nama) of the area extracted raw or "native copper" from the gneiss and granite hills that make up the surrounding Namaqualand Copper belt.
Concordia,_South_Africa
Part of the Indian Shield in south India
the Dharwar Craton are mainly TTG (Tonalite-trondhjemite-granodiorite) gneisses, volcanic-sedimentary greenstone sequences and calc-alkaline granitoids
Dharwar_Craton
Island in Outer Hebrides, Scotland
from the oldest rocks in Britain, the Lewisian gneiss, which dates from the Archaean eon. Some of the gneiss in the east of the island is noted as being
Barra
Botanical Garden in Karnataka, India
Nursery Men's Cooperative society. A geological monument for the peninsular gneiss formation is also a tourist attraction at the gardens. This monument has
Lal_Bagh
Island and neighborhood in New York City
York City where Fordham gneiss, a type of bedrock commonly found beneath the South Bronx, can be seen above ground. The gneiss outcropping was surrounded
Roosevelt_Island
rock which is clotted with augen is often called an augen gneiss. A long wall of this augen gneiss can be felt at the Mineral and Lapidary Museum of Western
Augen
Light-colored intrusive igneous rock
quartz-eye trondhjemite in the Brazos Mountains, New Mexico, the Twilight Gneiss of the Needle Mountains, Colorado, trondhjemites of the Wind River Range
Trondhjemite
Geological formation in the northeast United States
underlying much of Manhattan consists of three rock formations: Fordham gneiss, Manhattan schist, and Tuckahoe marble (Inwood marble), which are well suited
Geology_of_Manhattan_Prong
Mountain in the Swiss and Italian Alps
the deadliest peaks in the world. The Matterhorn is mainly composed of gneisses (originally fragments of the African plate before the Alpine orogeny) from
Matterhorn
Napier Complex contains primarily pyroxene‐quartz‐feldspar gneiss and garnet‐quartz‐feldspar gneiss, with minor amounts of both pyroxene and mafic granulite
Geology_of_Enderby_Land
Small hill
phenomena formed when glaciers polish down hard, crystalline bedrock of gneiss or granites, leaving a rounded rocky hillock with sparse vegetation. One
Hillock
Mountain in Brazil
mountain in Tijuca Forest, Rio de Janeiro, Brazil. Composed of granite and gneiss, its elevation is 844 metres (2,769 ft), making it one of the highest mountains
Pedra_da_Gávea
Borough in New York City and county in New York State
of Manhattan consists of three rock formations: Inwood marble, Fordham gneiss, and Manhattan schist, and is well suited for the foundations of Manhattan's
Manhattan
Group of sedimentary rocks in Scotland
these rocks by James Nicol. Stratigraphically, they lie unconformably on gneisses of the Lewisian complex and sandstones of the lithologically similar Mesoproterozoic
Torridon_Group
Rare form of titanium dioxide
polymorph of TiO2 with the baddeleyite-type structure, in shocked garnet gneiss from the Ries Crater, Germany. American Mineralogist 95(5–6), 892–895 Mindat
Akaogiite
formation found in Uruguay. It is composed of itabirite (or valentines) and gneiss. Containing a combination of minerals such as quartz, magnetite and pyroxene
Valentines_iron_formation
Tiny intergrowths of quartz and feldspar in rocks
myrmekite will form. An example can be found in the Lyon Mountain granite gneiss north of Ausable Forks in New York. During progressive deformation in mylonitic
Myrmekite
State park in Texas, United States
mainly of hills and includes both forest and cleared land made up of mainly gneiss rock. Vegetations such as cedar, live oak, prickly pear cacti, and yuccas
Inks_Lake_State_Park
Historic mountain in Kashihara, Japan
"Yamato Sanzan", in which it is the highest. At the foot of the mountain are gneiss new rocks, and part of the middle slope and higher are biotite and andesite
Mount_Unebi
Natural monument in Rio de Janeiro, Brazil
peaks are typical outcrops of augen gneiss, the same gneiss that forms the steep rock walls of the city. Kinzigite gneiss, less resistant to weathering, is
Sugarloaf Mountain and Urca Hill Natural Monument
Sugarloaf_Mountain_and_Urca_Hill_Natural_Monument
Geological formation in the northeastern U.S.
The formation is metamorphic and consists of a complex suite of schist, gneiss, and quartzite. It is the lowest unit of the Glenarm Group (or Supergroup)
Setters_Formation
Museum in Hendersonville, North Carolina, United States
specimens from North Carolina, and a long wall of local Henderson Augen Gneiss. A six-foot-tall purple amethyst geode from Brazil is the largest geode
Mineral_and_Lapidary_Museum
actually completed until 1700. It has 4-5 metre thick walls made of granite, gneiss and diabase. Skansen Kronan was never attacked, and the cannons were never
Skansen_Kronan
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