How To Use Gneiss In A Sentence
-
Along the Leathad Riabhach gully, the Ben More Thrust steepens into a subvertical fault with gneiss to the NE and quartzite to the SW.
-
Admitting then that gneiss, mica-schist, granite, diorite, &c, were once necessarily covered up, how can we account for the naked and extensive areas of such rocks in many parts of the world, except on the belief that they have subsequently been completely denuded of all overlying strata?
X. On the Imperfection of the Geological Record. On the Poorness of Palaontological Collections
-
Rossing-type high tonnage low-grade uranium as well as classic vein-type models may be considered in association with numerous anatexis granites occurring within paragneisses of the LaGuiche Basin.
Marketwire - Breaking News Releases
-
_ -- The whole formation is Archean and Primary (with a few modern plutonic outbursts), and chiefly consists of granite, felspar, quartz, gneiss, schists, amphibolite and other Archean rocks, with Primary sandstones and limestones in the basin of Lake Nyasa (a great rift depression), the river Shiré, and the regions within the northern watershed of the Zambezi river.
Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
-
And these prodigious slabs of gneiss now lay amidst schistous marl and calcareous rock.
Wanderings by southern waters, eastern Aquitaine
-
The gneiss of the littoral chain* contains traces of the precious metals (* In the southern branch of this chain which passes by Yusma, Villa de Cura and Ocumare, particularly near Buria, Los Teques and Los Marietas.); and some grains of gold have been found in the mountains of Parima, near the mission of Encaramada.
Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
-
Professor David and R. Priestley, the geologists of Shackleton's expedition, refer to Ferrar's and Prior's description of the foundation rocks, and state that according to their own investigations the foundation rocks consist of banded gneis, gneissic granite, grano-diorite, and diorite rich in sphene, besides coarse crystalline limestone as enclosures in the gneiss.
The South Pole~ Fram Expedition Geology
-
They recognized kyanite-staurolite assemblages in pelites to the north of the Annagh Gneiss Complex exposures, but only garnet and oligoclase to the south.
-
During a ride to a natural tank amongst these rocky elevations, I passed from the alluvium to the sandstone, and at once met with all the prevailing plants of the granite, gneiss, limestone and hornstone rocks previously examined, and which I have enumerated too often to require recapitulation; a convincing proof that the mechanical properties and not the chemical constitution of the rocks regulate the distribution of these plants.
Himalayan Journals — Complete
-
In general, the strain intensity is commonly considerably higher in the granodiorite dykes than in the tonalitic wall-rock gneisses, which probably reflects strain localization into the dykes.
-
The Orlica-Snieznik Dome and the Góry Sowie Block preserve primarily amphibolite-facies gneisses, migmatites, and mica schists, which locally enclose boudins of granulite and eclogite.
-
The Borve Series is dominated by varieties of quartzo-feldspathic schist and gneiss, composed mainly of plagioclase, quartz, and biotite.
-
These, however, were sufficient to show me that the gneiss of Depilto was overlain conformably by the contorted schists; that the latter were followed by soft trappean beds, and these by thick beds of quartz-conglomerate, apparently derived from the degradation of the schistose rocks, with their numerous quartz veins.
The Naturalist in Nicaragua
-
Of far less importance are occurrences in gneisses and amphibolites, in small plutons derived from syenitic and gabbroic magmas, and in certain contact-metamorphic rocks.
-
The Park consists of a lateritic peneplain, with rock outcrops of quartz, schists and gneisses.
'W' National Park, Niger
-
It is unclear when the biotite gneisses were imbricated with the cover units or what controlled the imbrication.
-
They consist of willemite and zincite, together with large amounts of franklinite (an iron-manganese oxide) and silicates, in a pre-Cambrian white crystalline limestone near its contact with a coarse-grained granite-gneiss.
The Economic Aspect of Geology
-
The underlying rock is trap, and dikes of talcose gneiss.
Missionary Travels and Researches in South Africa
-
The sequence is grey granite below, the band of chalcedony, and above it a curious schistose gneiss-formation.
The Land of Midian
-
It includes a variety of rocks, such as basalt, granite, gneiss, quartzite, slate, and schist.
-
The lowest range above Djidda is calcareous; but its rocks soon change into gneiss, and a species of granite, with schorl in the place of feldspath, accompanied by predominant masses of quartz, and some mica.
Travels in Arabia
-
The primary rocks of the Bradshaw Mountains are granites and greenstones (gneiss and schist).
-
We've known for decades that homes on or near the Reading Prong made up of granitic gneiss, granodiorite, and quartzite had elevated levels of radon.
You can stop envying your neighbor's granite countertops now.
-
This is a coarsegrained biotite gneiss with an average granodioritic composition, that is generally fairly homogeneous but locally shows gneissic banding, and is intruded by veins of microgranite and pegmatite.
-
Now, in the peninsula of Araya, and in the island of Marguerita, saliferous clay impregnated with bitumen is met with in connexion with this early formation, nearly as gem-salt appears in Calabria in flakes, in basins inclosed in strata of granite and gneiss.
Travels to the Equinoctial Regions of America
-
There are also thin bands of mylonitic augen gneiss.
-
Many of the gneisses in such areas were largely of mixed aspect, with bands of metamorphic rock interleaved with others of more granitic nature.
-
The soil is covered with secondary and tertiary formations, formed by some rocks of gneiss-granite, syenite and euphotide.
Travels to the Equinoctial Regions of America
-
Higher, steeper slopes of the Vosges have thin topsoil, with subsoils of weathered gneiss, granite, sandstone, schist, and volcanic sediments.
-
Wachusett is mainly composed has rather obscure stratification, and hence may be called granitic gneiss.
The Bay State Monthly — Volume 2, No. 1, October, 1884
-
The term granite, as used commercially, includes true granite and such allied rocks as syenite and gneiss.
The Economic Aspect of Geology
-
It contains a variety of lithologies including augen gneiss, quartzite, amphibolite, calc-silicate, pelite and marble.
-
They lingered around the rocks in their path, black with fringes of dry sea-weed, and talked of gneiss and sienite, granite and trap; they stopped at the curve in the shore, and sat down to watch the white flitting of sails on the far horizon-line, and somehow, the sight of them led to a long talk about
Culm Rock The Story of a Year: What it Brought and What it Taught
-
The geological constitution consists mainly of quartzite schists, gneisses, limestones, and isolated granitic and diabasic intrusions.
Venezuelan Andes montane forests
-
In the latter locality arsenopyrite is found associated with pyrite in a gangue of quartz, forming a series of parallel stringers in gneiss close to a basic dike.
The Economic Aspect of Geology
-
Later, other tectonic events created a series of fractures that cut across the grain of the gneiss.
-
Although the features described above are present everywhere in the partially melted gneiss, grain boundary films of fine granophyre also occur in about a third of the partially melted samples from Priomh-lochs.
-
The intellectual and creative processes by which we improve infrastructural code are no less natural than the geological forces that turn granite into gneiss, limestone into marble and peridotite into serpentine.
-
It seems that the contact between augen gneiss and metasediments represents a strong mechanical anisotropy along which the basal thrust of the Zermatt-Saas zone developed.
-
The Snieznik and Gierahow gneisses have granitic compositions.
-
The higher temperatures of the Fiachanis block and the general absence of fine granophyre suggest that this was subjected to longer and more intense heating than the gneiss at Priomh-lochs.
-
The intellectual and creative processes by which we improve infrastructural code are no less natural than the geological forces that turn granite into gneiss, limestone into marble and peridotite into serpentine.
-
a kind of micaceous schist, and in the western is granitic gneiss.
The Bay State Monthly — Volume 2, No. 1, October, 1884
-
Their southward imbrication within the Kudi gneisses, the similar lithology and occurrence close to the Buziwan ultrabasic rocks near Kudi village may indicate they could have been part of Buziwan ophiolite.
-
All these minerals have once been imbedded in the granitic gneiss, which is the principal rock of the region.
The Voyage of the Vega round Asia and Europe, Volume I and Volume II
-
The Serra do Mar Mountain Chain is made up of ore-Cambrian granite porphyries and gneiss magma.
Southeast Atlantic Forest Reserves, Brazil
-
Quarzitic gneiss, low-grade metamorphic basic rocks, phyllites and dark chert can be abundant in some layers.
-
Manhattan Island is a low outcrop of gneiss and mica-schist, sloping from an irregular, but practically continuous crest, to the Hudson and
The Atlantic Monthly, Volume 15, No. 87, January, 1865
-
Some of the coarse gneisses contain garnets.
THE EARTH: An Intimate History
-
Geologically, the island consists of gneiss and argillaceous schists, with no trace of fossils, showing that the island is, like the Falkland Islands, a surviving fragment of some greater land-mass now vanished, most probably indicating a former extension of the Andean system.
South Georgia
-
The alternating bands of mafic and felsic minerals are a striking and distinctive feature of all gneisses.
-
Some important information about ancient plate tectonics and crustal evolution may be obtained from grey gneisses.
-
The prominent basement rocks of the Brumado area are Precambrian in age and consist dominantly of gneisses, schists, and amphibolite.
-
Corundum occurs as an accessory mineral in some metamorphic rocks, such as mica schist, gneiss, and crystalline limestone.
-
It includes a variety of rocks, such as basalt, granite, gneiss, quartzite, slate, and schist.
-
The term contemporary formation is here taken in the sense attached to it by geologists, in speaking of beds of quartz in clay-slate, granular limestone in mica-slate or feldspar in gneiss.
Travels to the Equinoctial Regions of America
-
On re-ascending from Punkabaree, the rocks gradually appear more and more dislocated, the clay-slate less so than the quartz and mica-schist, and that again far less than the gneiss, which is so shattered and bent, that it is impossible to say what is _in situ, _ and what not.
Himalayan Journals — Complete
-
The southern slopes of the Carpathians consist of various older strata -- secondary, primary, and metamorphic -- and the rocks of which they are composed are limestone, marble, schist (mica-schist and slate), and gneiss.
Roumania Past and Present
-
The stratified gneiss, which is the underlying rock of much of this part of the country, dips toward the centre of the continent, but the strata are often so much elevated as to appear nearly on their edges.
Missionary Travels and Researches in South Africa
-
The mounds were outwardly of turf, but under a thin skin of this was a thick continuous wall of molten stone, granite, gneiss, and sandstone, bubbling together in a hotchpot!
My Life as an Author
-
A Rossing-type (8\% of the world production) large volume uranium model is considered in association with numerous anatexis-granites occurring within the LaGuiche paragneisses.
Marketwire - Breaking News Releases
-
We hugged the right side to avoid the rapid swirl; there was no backwater at the points, and hard work was required to prevent our being swept against the boulders of gneiss, schiste, and pudding-stone edging the shores and stretching into the stream.
Two Trips to Gorilla Land and the Cataracts of the Congo
-
The dykes and sheets sharply truncate structures in the wall rock gneisses and greenstones, and large (several tens of metres) wall-rock xenoliths may be completely engulfed by the intrusive sheets.
-
The granite is porphyritic with biotite and hornblende as important minerals and lies to the south of the contact; the gneiss lies to the north of the contact.
-
They consist of willemite and zincite, together with large amounts of franklinite (an iron-manganese oxide) and silicates, in a pre-Cambrian white crystalline limestone near its contact with a coarse-grained granite-gneiss.
The Economic Aspect of Geology
-
The surroundings are low heavily glaciated PreCambrian gneiss and amphibolite rocks extending some 50 km inland to the ice cap with flanking lateral moraines and ice-dammed lakes; also lakelets, glacial striations, roches moutonées, and perched erratics typical of glaciated landscapes.
Ilulissat Icefjord, Denmark-Greenland
-
The lowest range above Djidda is calcareous; but its rocks soon change into gneiss, and a species of granite, with schorl in the place of feldspath, accompanied by predominant masses of quartz, and some mica.
Travels in Arabia
-
The tonalite is gneissic, banded on a decimetre scale, and loaded with discrete mafic enclaves, metasedimentary xenoliths and garnet, feldspar and rutile xenocrysts, such that the body has a migmatitic appearance.
-
The rugged, steeply sloping mountains are composed of Precambrian amphibolite and gneiss.
Ecoregions of North Carolina and South Carolina (EPA)
-
The rocks chiefly relied on as evidence of this distribution consist of three varieties of granite, besides gneiss, chlorite-slate, euphotide, serpentine, and a peculiar kind of conglomerate, all of them foreign alike to the great Strath between the Alps and Jura and to the structure of the Jura itself.
The Antiquity of Man
-
These domes are composed of pelitic schists and gneisses folded around a core of K-feldspar granite and granitic gneiss.
-
This is strikingly similar to the Company's "Mockingbird" Gold Property geology, where the gold is also hosted in lower plate Precambrian gneiss, and is frequently associated spatially with lamprophyre dikes.
Marketwire - Breaking News Releases
-
Taihua complex from the Xiaoqinling area western Henan , consists of supracrustal sequence and granitic gneisses.
-
Cross-cutting dykes are folded, partly transposed or boudinaged in the gneissose foliation.
-
To the schists succeeded gneiss, partially stratified, remarkable for the parallelism and regularity of its lamina, then mica schists, laid in large plates or flakes, revealing their lamellated structure by the sparkle of the white shining mica.
Journey to the Interior of the Earth
-
Many of these rocks are much crumpled, others quite flat, and they are overlaid by soft, variegated gneiss, which is continued alternately with the slates to the top of the hills on the opposite side.
Himalayan Journals — Complete
-
The Conquhar was a swift, clear-running river coursing over its bed of gneiss, well tucked-in on either side by green hayfields, where the grasshopper for ever "burred," and the haymakers stopped with elbows on their rakes to watch the passer-by.
Bog-Myrtle and Peat Tales Chiefly of Galloway Gathered from the Years 1889 to 1895
-
Sapphires are found in alluvial soil near rocks and embedded in gneiss.
Commentary Critical and Explanatory on the Whole Bible
-
In the black gneiss, which is at the bottom, the wall may stand above the river for a few hundred yards or a mile or two; then, to follow the foot of the wall, you must pass into a lateral canyon for a long distance, perhaps miles, and then back again on the other side of the lateral canyon; then along by the river until another lateral canyon is reached, which must be headed in the black gneiss.
Canyons of the Colorado
-
The three mountainous areas consist of large cores of igneous rocks (granites and basalts) surrounded by larger areas of metamorphic rocks, mostly schists and gneiss.
-
Upper Orinoco in the hands of the Indians, seems to indicate the existence of a soil of euphotide, superposed on gneiss-granite, or amphibolic slate, in the eastern part of the Sierra Parime.
Travels to the Equinoctial Regions of America
-
What I saw of this country between the second and eighth degrees of latitude, and the sixty-sixth and seventy-first degrees of longitude, is entirely composed of granite, and of a gneiss passing into micaceous and talcous slate.
Travels to the Equinoctial Regions of America
-
Was the first gneiss facade or the marble spoil wall revetted with stucco?
-
It is composed of gneiss and migmatite that contain minor lenses of schist, marble, phyllite and quartzite.
-
It includes a variety of rocks, such as basalt, granite, gneiss, quartzite, slate, and schist.
-
It is a truly eruptive rock, occurring in intrusive bosses, or in beds interstratified with gneiss and mica-schist, and owes its various shades of green to the presence of copper.
Roman Mosaics Or, Studies in Rome and Its Neighbourhood
-
At the B-Q claims, beryl occurs with dark red garnet, smoky quartz, and black tourmaline in miarolitic cavities in a granite pegmatite dykes that cuts across the foliation of a high-grade metamorphic gneiss.
-
The rock was of garnet gneiss, traversed by black dykes of pyroxene granulite.
The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914
-
The prevalent north-east strike of the gneiss is the same in both, differing from the Himalaya, where the stratified rocks generally strike north-west.
Himalayan Journals — Complete
-
The lower unit, the Gneiss Group, is unaffected by Alpine deformation and is regarded as the autochthonous basement of the northern Apennines.
-
Examples of this correspondence include mollusks on carbonate residuum, purple spurge on gneiss regolith, and cardamine, yellowood, and bunchflower on boulder fields of metasandstone.
-
The Zimbabwe craton consists of 23 greenstone belts surrounded by felsic gneisses and granites, with ages from 3.6 Ga to 2.6 Ga.
-
The Archaean Baidrag complex, composed of tonalitic gneiss, granulite and amphibolite, with minor marble and quartzite, has been interpreted as a microcontinental block.
-
Most significant is the presence of the Sinharaja Basic Zone, consisting of hornblende, pyriclasts, basic charnokites, pyroxene amphibolites and scapolite-bearing calc-granulites and blended with small amounts of quartzites, garnet-biotite gneisses and intermediate charnokites.
Sinharaja Forest Reserve, Sri Lanka
-
Most of the intrusion comprises a coarse-grained, pink gneissic granite containing numerous augen of recrystallized perthitic orthoclase up to 1.25 cm across.
-
The thrust sheet overlying the Delaney Dome Formation is composed of the basic Ballyconneely Amphibolite and interbanded quartz diorite and hornblende gneiss that intrude the Dalradian sediments.
-
The geology of the region ranges from the recent river alluvia and Karoo sandstones to the ancient gneiss and paragneiss overlain by the lithosols of the basement complex of the escarpment.
Mana Pools National Park, Sapi and Chewore Safari Areas, Zimbabwe
-
The Northern Inner Piedmont (45e) is characteristically underlain by highly deformed and deeply weathered Cambrian and Proterozoic feldspathic gneiss, schist, and melange.
Ecoregions of Delaware, Maryland, Pennsylvania, Virginia, and West Virginia (EPA)
-
Gneiss and schists containing relatively uniform micas, with important amphibolite inclusions, are the dominant metamorphic rocks.
Jungfrau-Aletsch-Bietschhorn, Switzerland
-
Quarzitic gneiss, low-grade metamorphic basic rocks, phyllites and dark chert can be abundant in some layers.
-
Shackleton's expedition, refer to Ferrar's and Prior's description of the foundation rocks, and state that according to their own investigations the foundation rocks consist of banded gneiss, gneissic granite, grano-diorite, and diorite rich in sphene, besides coarse crystalline limestone as enclosures in the gneiss.
The South Pole; an account of the Norwegian Antarctic expedition in the "Fram," 1910-12 — Volume 1 and Volume 2
-
A large pebble with a gneissose appearance is a retrograded orthogneiss, consisting of quartz, plagioclase, feldspar and muscovite, with relics of biotite, mostly chloritized, and a weakly folded tectonic foliation.
-
As regards Kaiser Wilhelm Land, the Gaussberg is a volcanic cone mainly composed of leucite-basalt, but its slopes are strewn with erratics presumably transported from the south and these include gneiss, mica-schist and quartzite, apparently Archaean.
Perspective of Antarctica in 1911
-
It was no slight task, before pasting on the labels, to know the names of the rocks; the variety of colours and of grain made them confuse argil and marl, granite and gneiss, quartz and limestone.
Bouvard and Pécuchet A Tragi-comic Novel of Bourgeois Life
-
In the Czech part of the central Erzgebirge, mafic eclogites are interpreted as boudins emplaced in the middle crust at the base of an orthogneiss body of the Lower Crystalline nappe.
-
It's gneiss to get a break from the isostacy. dbadass Says:
Think Progress
-
The thick Thunderhead Sandstone (Upper Precambrian Great Smoky Group) in the Great Smoky Mountains along the Tennessee/North Carolina border was deformed and regionally metamorphosed during formation of the Appalachian Highlands, beginning in the so-called Devonian (that is, early in the Flood year).12-14 With increasing temperatures and pressures from northwest to southeast, the regional metamorphism produced in these sandstone layers a series of chemically and mineralogically distinct zones of schists and gneisses.15 These zones are named according to the first appearance of the distinctive metamorphic minerals which characterize them as the intensity of the metamorphism increased laterally—the biotite, garnet, staurolite, and kyanite zones.
Ken Miller in Cleveland: WEBCAST ARCHIVE URLS - The Panda's Thumb
-
Corundum occurs as an accessory mineral in some metamorphic rocks, such as mica schist, gneiss, and crystalline limestone.
-
In one place the latter rock is seen bursting through the gneiss, which is slaty and very crystalline at the junction.
Himalayan Journals — Complete
-
It said the qualified person for the project has notified Brookemont that crews have uncovered a 4.5 km trend of gold related arsenic geochemistry anomaly, with visible arsenopyrite in amphibolitic gneiss with quartz veining cutting across the property.
The Globe and Mail - Home RSS feed
-
Tertiary soils in the peneplain are derived from gneiss and granitic rocks, while Quaternary sediments overlaying the bottom of broad U-shaped valleys such as Tucavaca Valley, which supports the taller forest.
Chiquitano dry forests
-
Unfortunately, no such thing as earth or gravel existed in which to sink these posts, and the rock being of the variety known as gneiss, was more than ordinarily tough.
The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914
-
The granitic rocks included granite, gneisses, syenites and norite.
New York at the Louisiana Purchase Exposition, St. Louis 1904 Report of the New York State Commission
-
Higher, steeper slopes of the Vosges have thin topsoil, with subsoils of weathered gneiss, granite, sandstone, schist, and volcanic sediments.
-
In the southwest the underlying bedrock is granite and gneiss, in the north and east there are magmatic rocks including reddish rapakivi granite, gabbro and anorthosite.
Kvarken Archipelago High Coast, Finland and Sweden
-
The granite contains several inliers of tonalitic gneiss, including the Chikwakwa gneisses.
-
The envelope consists of garnet gneiss, migmatite, sillimanite gneiss, fibrolite schist, andalusite schist and quartzite, phyllite and unmetamorphosed Palaeozoic to Cretaceous sedimentary rocks.
-
The hills are hornstone and quartz, stratified and dipping southerly with a very high angle; they are very barren, and evidently identical with those on the south bank of the Soane; skirting, in both cases, the granite and gneiss range of Paras-nath.
Himalayan Journals — Complete
-
The rock exposures are rather poor, except for some scattered inselbergs and massifs of biotite-hornblende gneisses.
-
The rolling to hilly well-dissected upland contains mostly gneiss and schist bedrock that is covered with clayey and micaceous saprolite.
Ecoregions of North Carolina and South Carolina (EPA)
-
Cruachan more to the quick, had he known all about geology, gneiss, and graywacke, and the Silurian system?
Spare Hours
-
Scattered outcrops of very basic serpentinite also occur. formations predominate and Precambrian gneisses are common in the east.
Ecoregions of Delaware, Maryland, Pennsylvania, Virginia, and West Virginia (EPA)
-
_ The bungalow stands on soft, contorted, decomposing gneiss, which is still the prevalent rock, striking north-east.
Himalayan Journals — Complete
-
Blanco, on gneiss; and in the peninsula of Araya, on saliferous clay.
Travels to the Equinoctial Regions of America
-
The country rocks are talcose, micaceous and quartzitic schists and gneisses.
North Carolina and its Resources.
-
In Wyoming, corundum has been found in gneiss, pelitic schist, and vermiculite schist.
-
The Bonneval gneiss is separated from the augen gneiss by a fault zone in which dolomite, cargneule, anhydrite and Bündnerschiefer occur.
-
The provenance signature instead suggests that the Sta Series has a closer affinity to the Northern Gneisses and may in a general sense represent a deformed cover sequence.
-
Two types of terrain are especially characteristic of Archaean geology: greenstone - granite terrains and granulite - gneiss terrains.
-
The alternating bands of mafic and felsic minerals are a striking and distinctive feature of all gneisses.
-
M. Boussingault, in a memoir which he has recently addressed to me, calls the rock of the M.rros a problematic calcariferous gneiss.
Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3
-
It consists of graphitic schist and slate, psammite, pelitic schist/gneiss and augen gneiss at structurally higher levels.
-
Later, shallower and hotter metamorphism produced widespread sillimanite grade gneisses, migmatites and in situ partial melting.
-
The sample is weakly banded amphibolite-facies gneiss consisting of quartz, plagioclase, biotite and hornblende.
-
Red yellow podzolic soils cover driftless uplands underlain by gneiss, and red yellow podzols are found on Pre-Wisconsinan drift; soils are markedly different from those of Ecoregion 58i.
Ecoregions of New Jersey (EPA)
-
Eventually, along the side of the road, we came across pallets stacked with light brown gneiss tiles.
-
All of these can all be found in the granite-gneiss basement of the central Black Forest.
-
Soils are weathered from a variety of crystalline and metamorphic materials, such as gneiss, schist, and granite, as well as some areas of igneous intrusive rocks.
Ecoregions of New Mexico (EPA)
-
Between the Dharwas leucogranite and Kilar there is a simple planar structure of interspersed pelitic gneiss and leucogranite bands with a regional foliation dipping to the south or southeast.
-
As regards Kaiser Wilhelm Land, the Gaussberg is a volcanic cone mainly composed of leucite-basalt, but its slopes are strewn with erratics presumably transported from the south and these include gneiss, mica-schist and quartzite, apparently Archaean.
Perspective of Antarctica in 1911
-
Underlying the region is Archaean granite, gneiss and mica-schist formations typical of the Congo basin.
Okapi Faunal Reserve, Democratic Republic of Congo
-
Of these, the vast majority comprise late Archaean tonalitic gneiss with various mafic, ultramafic and metasedimentary enclaves, collectively known as ‘grey gneiss’.
-
Small lithic fragments comprise quartzite, gneiss and ubiquitous andesite.
-
On the other hand, the Kudi gneisses are imbricated with an ophiolitic slice south to Kudi, and overthrust by the Buziwan ultrabasic rocks.
-
The Musgrave Block consists of granulite-facies felsic gneisses, granites, felsic and mafic granulites, and voluminous mafic-ultramafic intrusive rocks.
-
Kata Tjuta, covering about 3,500 ha, comprises 36 steep-sided rock domes of gently dipping Mount Currie conglomerate consisting of phenocrysts of fine grained acid and basic rocks, granite and gneiss in an epidote rich matrix.
Uluru-Kata Tjuta National Park, Australia
-
Geologically, this area is an alluvial fan of a giant rock slide of granitic gneisses.
-
The marble also contains thin bands and lenses of gneiss, often in boudinage structure.
-
Partly granitized formations also occur in Terego County, which include porphyroblastic gneisses and quartz diorite.
-
Cape Codera, the great mass of the Silla of Galipano, and the land between Guayra and Caracas, the table-land of Buenavista, the islands of the lake of Valencia, the mountains between Guigne, Maria Magdalena and the Cerro do Chacao are composed of gneiss; * yet amidst this soil of gneiss, inclosed mica-slate re-appears, often talcous in the Valle de
Travels to the Equinoctial Regions of America
-
Collected from the eastern half of the Orlica-Snieznik Dome near the border with the Keprm'k dome, sample SZ-IOa is a well-foliated garnet-zone gneiss that contains minor poikilitic garnet with fractures containing pinite.