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2012•Biuletyn Państwowego Instytutu GeologicznegoOpen access

STRUKTURALNE I TEKSTURALNE CECHY WTÓRNEJ MINERALZIACJI DOLNOCECHSZTYŃSKIEJ W POŁUDNIOWO-ZACHODNIM REJONIE PERYKLINY ŻAR

Andrzej Chmielewski

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Abstract

STRUCTURAL AND TEXTURAL CHARACTERISTICS OF LOWER ZECHSTEIN SECONDARY MINERALIZATION IN THE SOUTHWESTERN AREA OF THE ŻARY PERICLINE Abstract. The paper presents the characteristics of mineral structures and ore textures observed in lowermost Zechstein sediments from the Debinka P-10 borehole based on microscopic observations in reflected light. Detailed studies of ore textures and structures in individual lithologic intervals and geochemical zones were performed. Microscopic observation revealed many interesting features of mineralization and allowed identification of mineral assemblages in host sediments. Petrographic analysis of polished sections contributed to precise description of a complex relationship between various ore textures and structures in relation to gauge minerals and host sediments. Microscopic studies of polished sections enabled to identify the following ore minerals: bornite, chalcocite, digenite, sphalerite, galena, chalcopyrite, pyrite, covellite and arsenopyrite, and oxides: hematite and magnetite. The range of geochemical facies, which determine the forms of occurrence of ore minerals and oxides, is a very important phenomenon affecting the occurrence of minerals in the form of individual structures and the formation of some ore textures.

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STRUCTURAL AND TEXTURAL CHARACTERISTICS OF LOWER ZECHSTEIN SECONDARY MINERALIZATION IN THE SOUTHWESTERN AREA OF THE ŻARY PERICLINE Abstract. The paper presents the characteristics of mineral structures and ore textures observed in lowermost Zechstein sediments from the Debinka P-10 borehole based on microscopic observations in reflected light. Detailed studies of ore textures and structures in individual lithologic intervals and geochemical zones were performed. Microscopic observation revealed many interesting features of mineralization and allowed identification of mineral assemblages in host sediments. Petrographic analysis of polished sections contributed to precise description of a complex relationship between various ore textures and structures in relation to gauge minerals and host sediments. Microscopic studies of polished sections enabled to identify the following ore minerals: bornite, chalcocite, digenite, sphalerite, galena, chalcopyrite, pyrite, covellite and arsenopyrite, and oxides: hematite and magnetite. The range of geochemical facies, which determine the forms of occurrence of ore minerals and oxides, is a very important phenomenon affecting the occurrence of minerals in the form of individual structures and the formation of some ore textures.

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Available abstract

STRUCTURAL AND TEXTURAL CHARACTERISTICS OF LOWER ZECHSTEIN SECONDARY MINERALIZATION IN THE SOUTHWESTERN AREA OF THE ŻARY PERICLINE Abstract. The paper presents the characteristics of mineral structures and ore textures observed in lowermost Zechstein sediments from the Debinka P-10 borehole based on microscopic observations in reflected light. Detailed studies of ore textures and structures in individual lithologic intervals and geochemical zones were performed. Microscopic observation revealed many interesting features of mineralization and allowed identification of mineral assemblages in host sediments. Petrographic analysis of polished sections contributed to precise description of a complex relationship between various ore textures and structures in relation to gauge minerals and host sediments. Microscopic studies of polished sections enabled to identify the following ore minerals: bornite, chalcocite, digenite, sphalerite, galena, chalcopyrite, pyrite, covellite and arsenopyrite, and oxides: hematite and magnetite. The range of geochemical facies, which determine the forms of occurrence of ore minerals and oxides, is a very important phenomenon affecting the occurrence of minerals in the form of individual structures and the formation of some ore textures.

Key concepts: Bornite, Geology, Covellite, Chalcocite, Chalcopyrite, Pyrite, Sphalerite, Geochemistry

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STRUKTURALNE I TEKSTURALNE CECHY WTÓRNEJ MINERALZIACJI DOLNOCECHSZTYŃSKIEJ W POŁUDNIOWO-ZACHODNIM REJONIE PERYKLINY ŻAR — Research Paper | ScholarLens