| Vrtiška, Luboš, Sejkora, Jiří, Dolníček, Zdeněk, Malíková, Radana (2022) Collinsit ze železnorudného dolu v Nučicích, nový minerál pro Českou republiku - popis a Ramanova spektroskopie [Collinsite from the Nučice iron mine, a new mineral for the Czech Republic - description and Raman spectroscopy]. Bulletin Mineralogie Petrologie, 30 (1) 1-10 | Journal (article/letter/editorial) | the Nučice iron mine, a new mineral for the Czech Republic - description and Raman spectroscopy Luboš...samples of chamosite from the abandoned iron mine Nučice near Prague, Central Bohemia (Czech Republic) located...found in association with siderite in fissures of chamosite iron ore. Key words: collinsite, messelite, phosphates...parameters, Raman spectra, iron deposit, Nučice, Czech Republic Obdrženo 21. 4. 2022; přijato 3. 6. 2022 Úvod...kde končí na pražském zlomu, přes Nučice, Chrustenice, Beroun, Zahořany, Trubín, Černín a Zdice k Chluštině | | | Journal (article/letter/editorial) | stratigraphy and palaeontology of the Ordovician rocks of Central Portugal W. I. M I T C H E L L (Plate 1) Summary...well with faunas from the more precisely dated Chrustenice Substage in Bohemia. Two new brachiopod genera...studying this rather remote area near Bussaco in Central Portugal. The first short description of the strata...in. Figure 1. Geographical map of the Bussaco district, with an inset showing its position in Portugal...IP address: 138.251.14.35 Ordovician rocks of Central Portugal 387 2. Stratigraphy No attempt is here | | | Journal (article/letter/editorial) | ooids. One Swedish oolite contains a mixture of chamosite, goethite and hematite ooids, and it is suggested...suggested that the two latter types were derived from chamosite ooids by early diagenetic alteration. The REE...Major-and minor-element contents in limonite and chamosite ooids are similar, whereas their REE patterns...ooids have a LREE/HREE ratio from 1 to 2.4, and chamosite ooids from 3 to 5. The amounts of REE in the ooids...Germany, the U.K. (England, Wales), Poland, the Czech Republic (Bohemia) and other places (H.L. James, 1966) | | | Journal (article/letter/editorial) | com/locate/oregeorev Chamosite, siderite and the environmental conditions of their formation in chamosite-type Phanerozoic...characteristic ironstone minerals occurring in chamosite-type ironstone deposits were investigated. These...samples are from 31 localities and 8 countries (Czech Republic, France, Germany, United Kingdom, Egypt, Nigeria...pass successively from post-oxic (formation of chamosite and authigenic rice-grain shaped siderite) via...of abundant xenomorphic siderite that replaces chamosite). D 2005 Elsevier B.V. All rights reserved. Keywords: | | | Journal (article/letter/editorial) | average of 1.6 ppm Fe z+ throughout the suboxic region. Cherty iron formations are attributed to low-temperature...amphiboles ankerite arsenopyrite biotite berthierine chamosite (where X-ray data is lacking, this may be berthierine...berthierine ) iron-rich chlorite (this may include chamosite) chalcopyrite crocidolite cummingtonite epidote...local increase in organic productivity, as in a region of persistent Biota: Why are Fe3SiaOs(OH)°: ...shelf (Muessig, 1984). Compression dominates the region east of the Cariaco Basin and it is here that exhalation | | | Book | SEVER, Editors SILICEOUS DEPOSITS IN THE PACIFIC REGION 37 A. SlNGERand E. GALAN, Editors PALYGORSKITE-SEPIOLITE:...in the overburden of Bekhat6w Brown Coal Mine (Central Poland), by A.J. Van Loon and K. Brodzikowski ...OVERBURDEN OF THE BELCHATOW BROWN-COAL M I N E (CENTRAL POLAND): A PREDICTIVE TOOL REGARDING ENGINEERING-GEOLOGICAL...in the overburden of Bekhatbw Brown Coal Mine (Central Poland), by A.J. R n Loon and K.Brodzikowski According...into deeper parts of the sediments, dissolving chamosite, an alkaline environment is created, resulting | | | Book | and chlorites; oolitic aggregates, typical of chamosite; concretions are egg-shaped, sometimes with a...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland...(217), marcasite (437) • Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit...volcano Avachinskaya in Kamchatka (USSR), Wiesbaden region (FRG) • Application: chemical, glass and food industries...Linares (Spain), Poniky (Czechoslovakia), Tintic district - Utah (USA). 1. Sideronatrite - long prismatic | | | Book | and chlorites; oolitic aggregates, typical of chamosite; concretions are egg-shaped, sometimes with a...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland...(217), marcasite (437) e Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit...volcano Avachinskaya in Kamchatka (USSR), Wiesbaden region (FRG) e Application: chemical, glass and food industries...Linares (Spain), Poniky (Czechoslovakia), Tintic district — Utah (USA). 1. Sideronatrite — long prismatic | | | Book | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...multiphase, nested, and include a subsidence of the central block and the downward passage of tabular plutons...Peru, map and distribution of ore deposits in the central sector. Based on the Mapa Metalogenico del Peru...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...-striking fissure veins and branching vein sets from a central copper zone (with a small segment rich in quartz-molybdenite | | | Book | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...multiphase, nested, and include a subsidence of the central block and the downward passage of tabular plutons...Peru, map and distribution of ore deposits in the central sector. Based on the Mapa Metalogenico del Peru...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...-striking fissure veins and branching vein sets from a central copper zone (with a small segment rich in quartz-molybdenite | | | Journal (volume) | with beds of the same age in Ireland, the Pennine region in England, north-west Europe (notably Germany...for the Upper Bowland Shales of the Slaidburn district of Yorkshire, where at least 400 feet of shales...advice on photography. Thanks are also due to the Central Research Fund of the University of London for several...appreciation of the generous grant received from the Central Research Fund to defray the cost of the collotype...> 0> # c/5 c o as a o t/) o o as are; central the showing Map 3. text-fig. PALAEONTOLOGY |
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