 | | Journal (article/letter/editorial) | | nts. Carbon-richformationswere depositedin the region of the BohemianMassifthroughoutmostof its geologichistory...JESENiK Ntis.)ANDOF U [STRUHADLO LOCALITY NEAR KLATOVY) o 0.4 m 0.3 • '" -0.2 (•) HYDROTHERMAL-PLUTONIC...Thesebitumenshavebeenstudiedparticularly in the P•ram ore district. The area extends alongthe northwestboundaryof-the...' 3.•6 ' 3.•7 ' 3.•8 ' 3.•9 ' 3.•0 ' 3.41 ore district,crystallizationtemperaturesof 200ø to APPARENT...sedimentary area cannotbe disregarded.The uraniumdepositat Hamr is typicalof thistype. In thisdeposit,tabular, lens-shaped |  | | Journal (issue) | | hell 16 IGeology in the Czech Republic A few words from UGA, Czech Republic 17 Quido Zaruba, founder...geology 18 The Czech Geological Survey 20 Feldspar raw materials in the Czech Republic 21 The re-use...during uranium mining in Straz Pod Ralskem, Czech Republic EDITORIAL BOARD Christer Akerman Carlo Bravi...deformation ISSN: 1028 - 267X 30 Geophysics in the Czech Republic 33 Stability of the Krusne hory mountain...the Union of Geological Associations (UGA), Czech Republic by Jan Schrofefl e would like to use the opportunity |  | | Book | | (Russia), P. Bruneton (Europe), J. Cisovsky (Slovak Republic), G. Érdi-Krausz (Hungary), H. J. Förster (Germany)...Hruby (Czech Republic), E. Kirchner (Austria), B. Kirchner (Austria), J. Komínek (Czech Republic), I. Bojkov...J. Royall (Spain), and A. Kuestermeyer (Slovak Republic). M. Cuney deserves my particular gratitude for... . . . . . . . . . . . . . . . 2.1 West Balkan Region . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . 2.1.1 Bukhovo District .. . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | AFRICAN REPUBLIC CHAD CHILE CHINA COLOMBIA CONGO COSTA RICA CÔTE D’IVOIRE CROATIA CUBA CYPRUS CZECH REPUBLIC...REPUBLIC DEMOCRATIC REPUBLIC OF THE CONGO DENMARK DJIBOUTI DOMINICA DOMINICAN REPUBLIC ECUADOR EGYPT EL SALVADOR...ISLAMIC REPUBLIC OF IRAQ IRELAND ISRAEL ITALY JAMAICA JAPAN JORDAN KAZAKHSTAN KENYA KOREA, REPUBLIC OF KUWAIT...KUWAIT KYRGYZSTAN LAO PEOPLE’S DEMOCRATIC REPUBLIC LATVIA LEBANON LESOTHO LIBERIA LIBYA LIECHTENSTEIN...PARAGUAY PERU PHILIPPINES POLAND PORTUGAL QATAR REPUBLIC OF MOLDOVA ROMANIA RUSSIAN FEDERATION RWANDA SAINT |  | | Report (issue) | | Baback, D.S. Gursky Uranium mineral base of the Republic of Uzbekistan...................................uranium, Straz pod Ralskem, Northern Bohemia, Czech Republic....... 171 D.W. McCarn List of Participants...Transural district, and pilot testing has been initiated at the Khiagda deposit in the Vitimsky district. Russia...Priargunsky mine/mill complex in the Streltsovsk district in south eastern Siberia accounted for about...Kirovograd district, with ore processing at the Zheltiye Vody mill. The ore in the Kirovograd district is hosted |  | | Journal (article/letter/editorial) | | Pouba,1982). Variscanore deposits(e.g.,Lahn-Dill hematite deposits,Rammelsberg-Meggen-type deposits) occur...lacustrine facies Kladno-Rakovnik basin and Plzn basin, Czech Re- andthe type of organicmatterassociated with...helm Homr (C), K6nigssteinPirno(D) Salzgitter District (D) Fe o Maim m • • U / • Liossic + :•...(D)Upper-Silesia Zn '•::_ (Pb-Zn) (Sr)Mining District (PL) Sr •• • • Muschelkolk • sandsrein ',,:•••...Salzgitter(D) Peine-B/ilten-Lengede (D) Damme(D) Hamr (C) KSnigstein(D) TepliceSpa(C) M/insterland(D) |  | | Report (issue) | | .......................................... 30 Hematite Breccia Complex deposits......................... 37 2.4.2. Geologic setting of Witwatersrand district, South Africa..................... 38 2.4.3. Ore...Ore geometry and metallogenesis of Witwatersrand district, South Africa...................................Geologic setting of Margnac, France and Jáchymov, Czech Republic deposits.....................................metallogenesis of Margnac, France and Jáchymov, Czech Republic deposits.................................. |  | | Journal (article/letter/editorial) | | Westmoreland, Australia; Akouta, Niger; Hamr-Straz, Czech Republic 3 Hematite breccia complexes Igneous Acid...post-orogenic basins Schwartzwalder, U.S.; Dhaba district, Congo Igneous Associated with hydrothermal...Associated with hydrothermal fluids Příbram, Czech Republic 5 Vein deposits 6 Intrusive deposits Igneous...U) or where the fluids were dominated by iron (hematite) and the feldspar minerals in the rocks were altered...focused on unconformity-type, sandstone-type, and hematite breccia complex deposits. Most of this exploration |  | | Journal (article/letter/editorial) | | confused with other iron-bearing minerals such as hematite and magnetite because of its high magnetic susceptibility...iron minerals and has lower magnetism compared to hematite and magnetite. The crystal presents an octahedral...Hydrogen-Assisted Magnesium Reduction (HAMR) Process The HAMR process is developed to produce a Ti powder...sponge O: 0.2–0.3 wt.% Ca(OH)2 850–1000 [56,57] HAMR UGS Mg + Ca Dense, globular powder O: <0.15...laboratory fluidized bed reactor to cut down the hematite kinetic reaction to produce Fe by hydrogen around |  | | Journal (article/letter/editorial) | | as well as Husab and many others in the Litsk district (Kola Peninsula), Wollaston and Mudjatik domains...Turonian sedimentary rocks. Mineralization occurs at Hamr and Osečná, as well as at Stráž, in the NE part...2000). For the sandstone-hosted U mineralization of Hamr, čná, and S áž, however, U may be derived from... 2008, 2016). The U deposits of the Ronneburg district, Schlema-Alberoda, Schneeberg, Tellerhäuser, Johanngeorgenstadt...assemblages, (i) quartzpolymetallic-sulfides, quartz-hematite, quartz-carbonate-uraninite, (ii) polymetalli |  | | Journal (article/letter/editorial) | | Phoenician state (~1000 B.C.), the Athens T Republic (Conofagos, 1980) and the Roman Empire (~300 B...in the world ocean interpreted as a single VMS district. What both groupings of natural metal occurrences...quantitative comparisons. The Upper Mississippi Valley “district” (Heyl et al., 1959) is an area of IP 7,800...(between about 20 and 60 km), as districts. The term “district” is also used as an administrative division with...30-50 km; meso-belts (also termed “trends”) on district to small IP regional scale measure between about |  | | Book (edition) | | andreprodu<..1ion by StudioVVG, Prague Printedin Czech Republicby Finidr.u.o .. Ce,ky Te~in 14/02/03/0...Publishing House in Prague and which recei\ ed the Czech Literary Award for best book in the natural sciencesfor...and other Larin Ianguages. and in the- Polish. Czech, Greek, Hungarian, Finnish. and Swahili Ianguages...administrative units are expressed in abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | | Journal (article/letter/editorial) | | Hawleyite Heazlewoodite Hectorite Hedenbergite Hematite Hemihedrite Hemimorphite Hercynite Herzenbergite...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...places. Aggregates, sand and gravel are followed by quarry and dimension stones (Prentice, 1990; Lorenz, 1991)...consist mainly of the minerals kaolinite, goethite, hematite and gibbsite. Latite is an extrusive rock, with...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro | | | Journal (article/letter/editorial) | | Hawleyite Heazlewoodite Hectorite Hedenbergite Hematite Hemihedrite Hemimorphite Hercynite Herzenbergite...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...places. Aggregates, sand and gravel are followed by quarry and dimension stones (Prentice, 1990; Lorenz, 1991)...consist mainly of the minerals kaolinite, goethite, hematite and gibbsite. Latite is an extrusive rock, with...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro |  | | Book | | limited intrusion adjacent to alkaline granites, Abu Hamr area, north Eastern Desert, Egypt//Arab J Geosci...episyenite-hosted uranium deposit, Bohemian Massif, Czech Republic: fluid inclusion and stable isotope constraints...The Rožná uranium deposit (Bohemian Massif, Czech Republic): shear zone-hosted, late Variscan and post-Variscan...and Fanay uranium deposits of the La Crouzille district (western Massif Central, France), geologic and...mineralogical features of intrusive rocks El Sela region (Eastern Desert of Egypt) Specialization 05.06 |  | | Report (issue) | | geologic concepts, Morrison Formation, Grants uranium region, New Mexico, USA ................................the western margin of the Air Mountains in the Republic of Niger .......................................scope of the Handbook is to report on at least one district in each country having sandstone-type uranium...deposits, British Columbia, Canada; and (5) Potwar district, Pakistan. Members of the Project appreciated...tabular and roll-front deposits occur in the same district. Most sandstone-type deposits commonly have well-defined |  | | Report (issue) | | ... 171 D.R. Boyle The Green Mountain uranium district, Central Wyoming: type locality of solution front... Scofield, S. Faircloth, B. Blake, J. C. Laul Hematite-enriched sandstones and chromium-rich clays —...basement in comparison with the Athabasca Basin region .................................................publish these contributions. North America, the region dealt with in this meeting, is of eminent significance...exploration expenditures were expended in this region, while this percentage dropped to 33% in 1986. |  | | Journal (article/letter/editorial) | | economic geology, history of mining, magnetite, hematite, Přísečnice, Černý Potok, Mezilesí (Orpus), Měděnec...Měděnec, Kovářská, Erzgebirge Mountains, Bohemia, Czech Republic Obdrženo 13. 5. 2019; přijato 14. 6. 2019 ...jemuž král roku 1564 privilegium potvrdil s tím, že hamr má stát mezi Pleilem (Černým Potokem) a Kovářskou |  | | Report (issue) | | AFRICAN REPUBLIC CHAD CHILE CHINA COLOMBIA CONGO COSTA RICA CÔTE D’IVOIRE CROATIA CUBA CYPRUS CZECH REPUBLIC...REPUBLIC DEMOCRATIC REPUBLIC OF THE CONGO DENMARK DJIBOUTI DOMINICA DOMINICAN REPUBLIC ECUADOR EGYPT EL SALVADOR...ISLAMIC REPUBLIC OF IRAQ IRELAND ISRAEL ITALY JAMAICA JAPAN JORDAN KAZAKHSTAN KENYA KOREA, REPUBLIC OF KUWAIT...KUWAIT KYRGYZSTAN LAO PEOPLE’S DEMOCRATIC REPUBLIC LATVIA LEBANON LESOTHO LIBERIA LIBYA LIECHTENSTEIN...PARAGUAY PERU PHILIPPINES POLAND PORTUGAL QATAR REPUBLIC OF MOLDOVA ROMANIA RUSSIAN FEDERATION RWANDA SAINT |  | De Vivo, B., Ippolito, F., Capaldi, G., Simpson, P. R. - Eds. (1984) Uranium geochemistry, mineralogy, geology, exploration and resources. Springer Netherlands. doi:10.1007/978-94-009-6060-2 | Book | | Vollmer and Norrlo have shown that the source region of the nephelinites was enriched very strongly...that virtually all U and Th in the mantle source region would enter the melt. Fractional crystallization...half-life of 230Th (75200 yr) and (2) the source region of U and Th in a magma was in secular equilibrium...and 'in the source region', respectively. 36 The 232Th/238U ratio in the source region of a magma, as determined...and Etna)-similar, in this respect, to the source region of oceanic basalts. 38.39 Th in the early crystallizing |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous...interpreted as marking the cores of stratovolcanoes. The region is densely mineralized and contains the principal...Balkhash (Kazakhstan) late Paleozoic mineralized region. a) Simplified geological map, showing the distribution |  | | Book | | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous...interpreted as marking the cores of stratovolcanoes. The region is densely mineralized and contains the principal...Balkhash (Kazakhstan) late Paleozoic mineralized region. a) Simplified geological map, showing the distribution |  | | Book | | individual deposits or districts. (in brackets country, district, deposit reviewed): Adamek P. (Scandinavia), Adams...Canada), Ruzicka V. (CSFR), Saucier A.E. (Grants Region, N.M., USA), Smith RB. (South Texas, USA), Tan...Uranium Deposits (Type 1, Chap. 4): Athabasca Basin Region, Canada..........................................Deposits in Albitized Metasediments: Uranium City Region, Canada..........................................Intragranitic Vein Uranium Deposits: Limousin/La Crouzille District, France. . . . . . . . . . . . . . . . . . . |  | | Report (Issue volume) | | 53 63 69 87 Germany Democratic Republic .. Germany, Federal Republic of .. 119 127 РРО ЧР es e cre...Federal U.S.S.R. appear to dominate the world Republic of Germany (FRG), Italy, Greece, economy. Viewed...Economies of Eastern Europe (the German Democratic Republic (GDR), Poland, Yugoslavia, Albania, Hungary, Czechoslovakia...Belgium Denmark/Greenland France Germany, Federal Republic of Greece 2,793 12 800 14,415 30,098 160 Ireland...25 131 910 — — 50 — — German Democratic Republic — — Hungary — 60 Poland — — — Romania |  | | Book | | dispersion mechanisms that have operated in each region and environment and indicate suitable exploration...transition Mean annual rainfall (mm) Climatic region TABLE 1.1-2 Climatic regions of pedogenetic significance...1989b), with some of the iron ores of the Hamersley region being products of deep supergene weathering about...dispersion models being developed in each climatic region. The differences between equivalent models are...approach would have particular value in a restricted region, for which landforms or facets are well defined |
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