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    Wyświetlanie 1-3 z 3
    Tytuł:
    Badania i poszukiwania złóż cynku i ołowiu, Mo-W-Cu, uranu, ziem rzadkich, złota oraz kopalin morskich prowadzone przez Państwowy Instytut Geologiczny
    Research and exploration of zinc and lead, Mo-W-Cu, uranium, REE and gold deposits as well as marine mineral resources at the Polish Geological Institute
    Autorzy:
    Wołkowicz, Stanisław
    Dymowski, Witold
    Markowiak, Marek
    Mikulski, Stanisław
    Szamałek, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/2074295.pdf
    Data publikacji:
    2019
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Państwowy Instytut Geologiczny
    badania złóż mineralnych w Polsce
    złoża Zn-Pb
    złoża Mo-W-Cu
    złoża uranu
    depozyty REE
    złoża złota
    złoża morskie
    Polish Geological Institute
    mineral deposits research in Poland
    Zn-Pb deposits
    Mo-W-Cu deposits
    uranium deposits
    REE deposits
    gold deposits
    marine deposits
    Opis:
    In the shadow of discoveries of large deposits of mineral resources in Poland after World War II, intensive exploration works were carried out, but the results of this research did not bring such spectacular effects. Exploration of Zn-Pb deposits conducted in the vicinity of historic deposits of Tarnowskie Góry and Bytom led to documentation of the Zawiercie, Goluchowice and Marciszów deposits. With some successes, exploration works of metal ore deposits in Paleozoic igneous and metamorphic rocks of the NE margin of the Upper Silesian Coal Basin were carried out. In this area, the Myszków Mo-W-Cu mineral deposit was confirmed, representing the porphyry copper genetic type. Moreover, in the area of Mrzyglód, the promising mineralization zone was found, requiring further geological research. The exploration of uranium and rare earth element ores did not lead to documentation of the deposits, nevertheless they made it possible to recognize all geological structures in Poland in terms of the possibility of occurrence of ore deposit occurrence of these metals. The prospecting works for these goals was carried out with a relatively small scale and were limited of the Sudetes, where exploitation took place on a fairly large scale in the past (Zloty Stok, Radzimowice, Klecza-Radomice, Wądroże Wielkie). The gold concentration occurring in the Zechstein Kupferschiefer formation and the porphyry copper mineralisation in NE margin of the Upper Silesian Coal Basin were also studied. The PGI participated in the exploration of mineral resources in marine areas, where besides the hydrocarbon exploration in the Polish economic zone, research on the Baltic polymetallic nodules was carried out, and within the INTEROCEANMETAL consortium the raw material potential of the Clarion-Clipperton Zone in the Pacific was studied.
    Źródło:
    Przegląd Geologiczny; 2019, 67, 7; 599--609
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mineralizacja Cu-Ag w utworach cechsztynu : zarys historii poszukiwań i badań prowadzonych przez PIG
    Cu-Ag Zechstein-hosted mineralization : an outline of the history and research by the Polish Geological Institute
    Autorzy:
    Oszczepalski, Sławomir
    Chmielewski, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/2074278.pdf
    Data publikacji:
    2019
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    stulecie Państwowego Instytutu Geologicznego
    złoża Cu-Ag
    60-lecie
    odkrycie
    łupek miedzionośny
    Rote Fäule
    pochodzenie
    przyszłość
    centenary of the Polish Geological Institute
    Cu-Ag deposits
    60th anniversary of discovery
    Kupferschiefer
    origin
    future
    Opis:
    Discovered by J. Wyżykowski in 1957, the Lubin-Sieroszowice deposit is a classic representative of the giant Kupferschiefer-type Cu-Ag stratabound deposit. Its disclosure and documentation was provided by the research work of many geologists of the Polish Geological Institute and many other institutions. During the period of 60 years, the mining and metallurgical industry has been developed to such extent that Poland is now among the world’s major producers of copper and silver. This discovery marked the beginning of the recognition of the S Oszczepalski A Chmielewski deposit and gave rise to further exploration for prospective areas elsewhere in SW Poland. Detailed studies of Rote Fäule alteration have shown that redox boundary is the principal guide to exploration. Later studies of numerous boreholes allowed the researchers to distinguish 38 prospective areas on the reductive side of the redox border and Au-Pt-Pd enrichments in oxidized rocks. The Kupferschiefer-type deposits were long considered classic examples of syngenetic mineralization. However, the close relationship between the occurrence of Cu-Ag orebodies and oxidized altered areas, and ore zones progressively transgressive to bedding relative to the Rote Fäule front indicates that these deposits were formed as a result of fluid-rock interaction caused by ascending migration of moderately low-temperature basinal chloride brinesfrom the underlying red beds within reasonable periods of diagenesis of the reduced hosts. The hematitization was the result of an influx of oxidizing solutions across the centers of oxidized areas that acted as the innermost parts of the telescoped Rote Fäule/ore systems. The early-to-late diagenetic timing of mineralization is constrained by paleomagnetic age of hematite, K-Ar dating of authigenic illite and Re-Os dating of Cu sulfides. The fluid circulation was due to paleogeothermal activity, compactive expulsion, recirculation and (or) seismic movements, corresponding to intracontinental Permian-Triassic rifting. Due to the depletion of shallow resources, extensive deep exploration drilling is required to verify the resource potential in concession prospects existing around the documented deposits. The long-term challenges related to the substantial copper and silver scarcity problems in the future demand for overcoming geological barriers (considerable depths, high overburden pressure, elevated temperature, gas hazard) require the use of innovative technology, creation of favorable investment conditions and preparation of a long-term raw materials strategy.
    Źródło:
    Przegląd Geologiczny; 2019, 67, 7; 587--593
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mineralizacja Cu-Ag w utworach cechsztynu : zarys historii poszukiwań i badań prowadzonych przez PIG
    Cu-Ag Zechstein-hosted mineralization : an outline of the history and research by the Polish Geological Institute
    Autorzy:
    Oszczepalski, Sławomir
    Chmielewski, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/2074287.pdf
    Data publikacji:
    2019
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    stulecie Państwowego Instytutu Geologicznego
    złoża Cu-Ag
    60-lecie
    odkrycie
    łupek miedzionośny
    Rote Fäule
    pochodzenie
    przyszłość
    centenary of the Polish Geological Institute
    Cu-Ag deposits
    60th anniversary of the discovery
    Kupferschiefer
    origin
    future
    Opis:
    Discovered by J. Wyżykowski in 1957, the Lubin-Sieroszowice deposit is a classic representative of the giant Kupferschiefer-type Cu-Ag stratabound deposit. Its disclosure and documentation was provided by the research work of many geologists of the Polish Geological Institute and many other institutions. During the period of 60 years, the mining and metallurgical industry has been developed to such extent that Poland is now among the world’s major producers of copper and silver. This discovery marked the beginning of the recognition of the S Oszczepalski A Chmielewski deposit and gave rise to further exploration for prospective areas elsewhere in SW Poland. Detailed studies of Rote Fäule alteration have shown that redox boundary is the principal guide to exploration. Later studies of numerous boreholes allowed the researchers to distinguish 38 prospective areas on the reductive side of the redox border and Au-Pt-Pd enrichments in oxidized rocks. The Kupferschiefer-type deposits were long considered classic examples of syngenetic mineralization. However, the close relationship between the occurrence of Cu-Ag orebodies and oxidized altered areas, and ore zones progressively transgressive to bedding relative to the Rote Fäule front indicates that these deposits were formed as a result of fluid-rock interaction caused by ascending migration of moderately low-temperature basinal chloride brinesfrom the underlying red beds within reasonable periods of diagenesis of the reduced hosts. The hematitization was the result of an influx of oxidizing solutions across the centers of oxidized areas that acted as the innermost parts of the telescoped Rote Fäule/ore systems. The early-to-late diagenetic timing of mineralization is constrained by paleomagnetic age of hematite, K-Ar dating of authigenic illite and Re-Os dating of Cu sulfides. The fluid circulation was due to paleogeothermal activity, compactive expulsion, recirculation and (or) seismic movements, corresponding to intracontinental Permian-Triassic rifting. Due to the depletion of shallow resources, extensive deep exploration drilling is required to verify the resource potential in concession prospects existing around the documented deposits. The long-term challenges related to the substantial copper and silver scarcity problems in the future demand for overcoming geological barriers (considerable depths, high overburden pressure, elevated temperature, gas hazard) require the use of innovative technology, creation of favorable investment conditions and preparation of a long-term raw materials strategy.
    Źródło:
    Przegląd Geologiczny; 2019, 67, 7; 587--593
    0033-2151
    Pojawia się w:
    Przegląd Geologiczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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