Share to: share facebook share twitter share wa share telegram print page

Quartzito

O Quartzito pode apresentar foliação em alguns casos.
Vale do rio Pônsul atravessando maciço quartzítico.
Quartzito.
Quartzito Azul do Macaúbas.

O quartzito é uma rocha metamórfica cujo componente principal é o quartzo (mais de 75% como ordem de grandeza). Outros constituintes são moscovita, biotita, sericita, turmalina, dumortierita.

Um quartzito pode ter como, protólito arenitos quartzosos porém (origem mais comum), tufos e riolitos silicosos e chert silicoso. Bolsões (pods) ou veios de quartzo, normalmente os produtos de segregação metamórfica, são muitas vezes retrabalhados por cataclase e metamorfismo dando origem a quartzitos semelhantes aos de origem sedimentar.

Composição química

Siliciosa. magnésio (90%) SIMA.

Estrutura

Maciça e não foliada, podendo haver foliação devido a presença de mica (Biotite e moscovite).

Texturas

Granoblástica a granolepidoblástica.

Aplicações e utilizações

Rocha fonte de materiais para tijolos e refratários de sílica, usada na siderurgia e para o preparo do leito de fusão dos altos-fornos, rocha ornamental utilizada de diferentes maneiras (rústica, talhada, polida, etc).

Ligações externas

Read other articles:

Кот Петро Олексійович Народження 3 лютого 1933(1933-02-03)Кулажинці, Броварський район, Київська область, Українська СРР, СРСРСмерть 7 жовтня 2003(2003-10-07) (70 років)  Маріуполь, Донецька область, УкраїнаКраїна  СРСР УкраїнаНавчання Дніпропетровське художнє училище (1961) і К

 

Heroldishausen Landgemeinde Unstrut-Hainich Koordinaten: 51° 8′ N, 10° 31′ O51.13666666666710.513055555556198Koordinaten: 51° 8′ 12″ N, 10° 30′ 47″ O Höhe: 198 m ü. NHN Fläche: 3,21 km² Einwohner: 192 (31. Dez. 2017) Bevölkerungsdichte: 60 Einwohner/km² Eingemeindung: 1. Januar 2019 Postleitzahl: 99991 Vorwahl: 036022 DorfstraßeDorfstraße Kirche und Kirchanger in Heroldishausen Denkmal f

 

Orthodox berdoa di Katedral Kebangkitan, Almaty. Kekristenan di Kazakhstan adalah agama kedua yang paling dipraktikkan setelah Islam. Lebih dari seperempat dari penduduk Kazakhstan teridentifikasi sebagai Kristen. Mayoritas warga Kristen adalah Rusia, termasuk Ukraina dan Belarusia, yang menjadi jemaat milik Gereja Ortodoks Rusia. Sekitar 1,5 persen dari populasi adalah etnis Jerman, yang sebagian besar mengikuti Katolik Roma atau Lutheranisme. Ada juga banyak Presbiterian, Saksi-Saksi Yehuwa...

British infantry division 82nd (West African) DivisionFormation sign of the 82nd (West African) Division.[1]Active1941–1945CountryBritish West AfricaAllegianceUnited KingdomBranchRoyal West African Frontier ForceTypeInfantrySize15,000 personnelEngagementsBurma CampaignCommandersNotablecommandersGeorge McI. S. BruceHugh StockwellMilitary unit The 82nd (West African) Division[2] was formed under British control during the Second World War. It took part in the later stages of t...

 

Community development block in West Bengal, IndiaBerhamporeCommunity development blockCoordinates: 24°06′N 88°15′E / 24.10°N 88.25°E / 24.10; 88.25Country IndiaStateWest BengalDistrictMurshidabadGovernment • TypeFederal democracyArea • Total194.67 km2 (75.16 sq mi)Elevation22 m (72 ft)Population (2011) • Total446,887 • Density2,300/km2 (5,900/sq mi)Languages • Of...

 

Lambang negara PrancisDetailPemangkuRepublik PrancisDigunakan sejak1912 (1953)PerisaiRF, singkatan dari Prancis: République FrançaiseElemen lainKapak, karangan bunga, dan daun oak Lambang Prancis adalah simbol Prancis sejak tahun 1953, meskipun tak memiliki status legal sebagai lambang resmi. Muncul pada sampul paspor Prancis, dan digunakan oleh Kementerian Luar Negeri Prancis sebagai simbol bagi misi diplomatik dan konsulat dari tahun 1912 menggunakan desain yang dibuat oleh pemahat Ju...

BMXStruktur yang tersediaPDBPencarian Ortolog: PDBe RCSB Daftar kode id PDB2EKX, 2YS2, 3SXR, 3SXSPengidentifikasiAliasBMX, ETK, PSCTK2, PSCTK3, BMX non-receptor tyrosine kinaseID eksternalOMIM: 300101 MGI: 1101778 HomoloGene: 20411 GeneCards: BMX Lokasi gen (Tikus)Kr.X chromosome (tikus)[1]PitaX|X F5Awal162,975,838 bp[1]Akhir163,041,189 bp[1]Pola ekspresi RNAReferensi data ekspresi selengkapnyaOntologi genFungsi molekuler• transferase activity• nucleotide...

 

Stasiun Unumajuku鵜沼宿駅Stasiun Unumajuku, Desember 2007LokasiUnuma Nishimachi 4-chome, Kakamigahara-shi, Gifu-ken 509-0132JepangKoordinat35°23′59″N 136°55′57″E / 35.3998°N 136.9325°E / 35.3998; 136.9325Koordinat: 35°23′59″N 136°55′57″E / 35.3998°N 136.9325°E / 35.3998; 136.9325Pengelola MeitetsuJalur■Jalur Meitetsu KakamigaharaLetak dari pangkal16.5 km dari Meitetsu-GifuJumlah peron1 peron pulauInformasi lainStatu...

 

FitzGerald (cráter)Cráter lunar Fotografía de la misión LROCoordenadas 26°40′N 172°08′O / 26.67, -172.14Diámetro 104 kmProfundidad DesconocidaColongitud 173° al amanecerEpónimo George F. FitzGerald   Localización sobre el mapa lunar    (Clementine Lunar Map 2.0) [editar datos en Wikidata] Fitzgerald es un gran cráter de impacto situado en la cara oculta de la Luna, al oeste-suroeste del cráter Cockcroft, y aproximadamente a do...

2004 Connecticut Democratic presidential primary ← 2000 March 2, 2004 (2004-03-02) 2008 → ← CAGA →62 Democratic National Convention delegates (49 pledged, 13 unpledged)The number of pledged delegates received is determined by the popular vote   Candidate John Kerry John Edwards Joe Lieberman(withdrawn) Home state Massachusetts North Carolina Connecticut Delegate count 35 14 0 Popular vote 75,860 30,844 6,705 Percen...

 

British biochemist (1900–1981) For other people with the same name, see Hans Krebs (disambiguation). SirHans KrebsFRSBorn(1900-08-25)25 August 1900Hildesheim, Kingdom of Prussia, German EmpireDied22 November 1981(1981-11-22) (aged 81)Oxford, EnglandNationalityGermanCitizenshipNaturalised British (from 1939)Alma materUniversity of GöttingenUniversity of FreiburgUniversity of BerlinUniversity of HamburgKnown forCitric acid cycleUrea cycleGlyoxylate cycleKrebs–Henseleit solut...

 

Pakistani actor Khushhal KhanBornMarch-02-2000Nowshera, Khyber Pakhtunkwa, PakistanNationalityPakistaniOccupation(s)Model, actorYears active2021–presentTelevisionQissa Meherbano KaMuhabbat Gumshuda MeriHeight5 ft 10 in (178 cm)ParentAfrasiab Khattak (father) Khushhal Khan is a Pakistani television actor and model. Khan is the recipient of the Hum Style Award. He made his acting debut with a web series called Midsummer Chaos[1][2] and later, he appeared in...

HaryatiLahir24 Agustus 1940 (umur 83)Ponorogo, Jawa Timur, Hindia BelandaKebangsaanIndonesiaSuami/istriSoekarno ​ ​(m. 1963; c. 1966)​AnakAyu GembirowatiOrang tuaKanjeng Pangeran Koesoemajoedho Haryati (lahir 24 Agustus 1940) adalah istri keenam Soekarno, presiden pertama Republik Indonesia. Sebelum menikah dengan Soekarno, Haryati adalah mantan penari istana sekaligus Staf Sekretaris Negara Bidang Kesenian. Soekarno dan Haryati akhirnya me...

 

1988 animated television series For the 1950s series, see Adventures of Superman (TV series). For the 1990s series, see Superman: The Animated Series. SupermanThe logo for SupermanGenre Action Adventure Superhero Based onSupermanby Jerry SiegelJoe ShusterWritten by Cherie Wilkerson Marv Wolfman Michael Reaves Larry DiTillio Buzz Dixon Martin Pasko Directed by Cosmo Anzilotti Bill Hutton Tony Love Charles A. Nichols (supervising) Voices of Beau Weaver Ginny McSwain Mark L. Taylor Stanley Ralph...

 

Ganga Gomti ExpressOverviewService typeExpressLocaleUttar PradeshCurrent operator(s)Northern RailwaysRouteTerminiPrayagraj sangam TerminalLucknow NRStops8Distance travelled201 km (125 mi)Average journey time4 hours 25 minutesService frequencyDailyTrain number(s)14215 / 14216On-board servicesClass(es)AC Chair Car, 2nd Class seating, General UnreservedSeating arrangementsYesSleeping arrangementsNoCatering facilitiesNo pantry car attachedTechnicalRolling stockICF coachTrack gauge1,676&...

For other ships with the same name, see USS Detroit. USS Detroit (C-10) circa 1890s History United States NameDetroit NamesakeCity of Detroit, Michigan BuilderColumbian Iron Works, Baltimore, Maryland Launched28 October 1891 Sponsored byMiss F. Malster Commissioned20 July 1893 Decommissioned1 August 1905 Stricken12 July 1910 IdentificationHull symbol: C-10 FateSold for scrap, 22 December 1910 General characteristics (as built)[1] Class and typeMontgomery-class unprotected cruiser Disp...

 

Tako Domain多胡藩under Tokugawa shogunate Japan1590–1871CapitalTako jin'yaHistory • TypeDaimyō Historical eraEdo period• Established 1590• Disestablished 1871 Today part ofpart of Chiba Prefecture Tako Domain (多胡藩, Tako-han) was a minor feudal domain under the Tokugawa shogunate of Edo-period Japan, located in Shimōsa Province (the northern portion of Chiba Prefecture Japan. It was centered on what is now part of the town of Tako in Katori District. It w...

 

Not to be confused with Abdallah ibn Khazim al-Tamimi. Umayyad Provincial governor (died 692) Abd Allah ibn Khazim al-SulamiSasanian-style silver dirham minted in 683/84 in the name of Abd Allah ibn KhazimUmayyad governor of KhurasanIn office662–665MonarchMu'awiya IPreceded byQays ibn al-Haytham al-SulamiUmayyad and Zubayrid governor of KhurasanIn office683/84–692MonarchsMu'awiya II (r. 683–684) Abd Allah ibn al-Zubayr (r. 684–692)Preceded bySalm ibn ZiyadSucceeded byBukayr ibn Wisha ...

University in Alberta, Canada University nuhelot’įne thaiyots’į nistameyimâkanak Blue QuillsUniversity nuhelot’įne thaiyots’į nistameyimâkanak Blue QuillsBlue Quills First Nations College logoFormer namesBlue Quills Education Centre, Blue Quills First Nations CollegeTypeFirst Nations-controlled universityEstablished1971PresidentSherri ChisanLocationSt. Paul, Alberta, Canada54°00′03″N 111°22′12″W / 54.0007°N 111.3699°W / 54.0007; -111.3699þ...

 

This article is about the Rolling Stones live album. For the D-Block compilation album, see No Security (D-Block album). This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: No Security – news · newspapers · books · scholar · JSTOR (March 2012) (Learn how and when to remove this template message) 1998 live album&...

 
Kembali kehalaman sebelumnya