UID:
edoccha_9960073791802883
Format:
1 online resource (442 pages) :
,
illustrations
ISBN:
0-12-803165-4
,
0-12-803186-7
Note:
Front Cover -- Isotope Geochemistry: The Origin and Formation of Manganese Rocks and Ores -- Copyright -- Contents -- Foreword -- Editor's Preface -- Manganese and Its Role in Geochemistry -- Acknowledgments -- Chapter 1: Manganese Rocks and Ores -- Chapter 2: Manganese Carbonates in Modern Sediments -- 2.1 Manganese Carbonates in Open Oceanic Sediments -- 2.1.1 Isotopic Composition and Genesis of Calcium Rhodochrosite in the Sediments of the Guatemala Depression (Panama Basi ... -- 2.1.1.1 Materials and methods of research -- 2.1.1.2 Composition of sediments -- 2.1.1.3 Composition of manganese carbonate -- 2.1.1.4 Isotopic data -- 2.1.2 Manganese Carbonates in the Sediments of the Central American Trough (El Gordo Uplift, Pacific Ocean) -- 2.2 Manganese Carbonates in Modern Marine Sediments -- 2.2.1 Manganese Carbonates in the Sediments of the Baltic Sea -- 2.2.1.1 Factual material -- 2.2.1.2 Composition of authigenic carbonates -- 2.2.1.3 The isotope data and their discussion -- 2.2.1.4 Genesis of carbonates -- 2.2.1.5 Sources of manganese -- 2.2.2 Ferromanganese Concretions in the Sediments of Onega Bay (White Sea, Russia) -- 2.2.2.1 Isotope data -- 2.3 Manganese Carbonates in Lake Sediments (on the Example of the Karelian Lakes) -- 2.3.1 Ferromanganese Concretions in Lake Punnus-Yarvi -- 2.3.1.1 The object of the study and characteristics of the samples -- 2.3.1.2 Isotope data and their discussion -- 2.3.2 Ferromanganese Concretions in Lake Konchozero -- 2.3.2.1 Ferromanganese enrichments -- 2.3.2.2 Isotope data and their discussion -- 2.4 Isotopic-Geochemical Regularities of the Formation of Manganese Carbonates in Modern Sediments -- Chapter 3: Genetic Types, Classifications, and Models of Manganese-Ore Formation -- 3.1 Genetic Types and Classification of Manganese-Ore Deposits -- 3.2 Model Examples of the Formation of Manganese Deposits.
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3.2.1 Sedimentary-Diagenetic Deposits -- 3.2.1.1 Nikopol' manganese-ore basin -- Geological setting and types of manganese ores -- Isotope data and their discussion -- 3.2.1.2 Mangyshlak deposit -- Geological setting, mode of occurrence, and types of manganese rocks and ores -- Characteristics of the samples -- Isotope data and their discussion -- Regarding the genesis of the deposit -- 3.2.1.3 Manganese deposits of Georgia (on the example of the Chiatura and Kvirila deposits) -- Geological setting -- Host rocks and authigenic mineralization -- The structure of the ore bed and types of ores -- Results of isotope research -- Carbon and oxygen -- Sulfur -- The origin of manganese ores -- The structural setting of manganese deposits and their interrelation with oil- and gas-bearing Łbasins -- The connection of manganese ore-formation with faults -- Discussion of isotope data -- Chiatura deposit -- Kvirila deposit -- Particularities of genesis -- 3.2.1.4 Bezmoshitsa-ore occurrence (Cis-Timan) -- Geological setting and material composition of manganese carbonate ores -- Well 222a -- Well 201 -- Well 128 -- Isotopic composition and origin of manganese carbonates -- 3.2.1.5 Sedimentary-diagenetic deposits of manganese of various areas of the world -- 3.2.2 Deposits of Hydrothermal-Sedimentary Genesis -- 3.2.2.1 Hydrothermal-sedimentary deposits of the South Urals -- South Faizuly and Kyzyl-Tash deposits -- Survey of geological characteristics -- Petrography of manganese ores -- Isotope data and their interpretation -- Isotope characteristics of carbon -- Isotope characteristics of oxygen -- Bikkulovo manganese deposit (South Urals) -- Brief outline of the structure of the deposit -- Mineral composition of manganese rocks -- Isotope data and their interpretation -- Particularities of the genesis of manganese deposits of the South Urals.
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3.2.2.2 Parnok deposit of ferromanganese ores -- Characteristics of manganese ores -- Isotope data and their discussion -- On the genesis of the deposit -- 3.2.2.3 Deposits of hydrothermal-sedimentary genesis of other regions -- 3.2.3 Hydrothermal Deposits of Manganese -- 3.2.4 Epigenetic (Catagenetic) Deposits -- 3.2.4.1 The supergiant deposit of the Kalahari manganese-ore field (Northern Cape, Republic of South Africa) -- Brief outline of the geological setting and the ores of the deposit of the ore field -- General geological characteristics -- Types of ores -- Particularities of microscopic structure of the ores -- Geochemistry of isotopes -- Genesis of the deposit -- 3.2.4.2 Ulutelyak manganese formation -- Particularities of geological structure -- Results of lithological and isotope research -- Lithological particularities -- Isotopic composition of carbon and oxygen -- On the genesis of manganese rocks and ores -- 3.2.4.3 Manganese carbonates of the Pai-Khoi ore-occurrence -- Geological setting -- Concretional and bedded manganese-containing carbonates in the C 2 -P 1 deposits -- Concretional and bedded ores of D 3 fm-C 1 t -- Concretional ores of D2 -- The mineral composition of manganese carbonates -- Isotope data and their discussion -- Carbon -- Oxygen -- Origin of carbonate-manganese rocks and ores of Pai-Khoi -- General information on the geological setting and material composition of the ores -- Isotope data -- On the genesis of ores of the deposit -- 3.2.4.4 Deposits of reef facies -- 3.2.5 Ferromanganese Deposits of Ferruginous-Siliceous Formations -- 3.2.6 Metamorphosed Deposits of Manganese -- 3.2.7 Deposits of Manganese of Weathering Crusts -- 3.2.7.1 Deposits of the Francevillian formation, Gabon -- 3.2.7.2 Deposits of weathering crusts of Australia -- 3.2.7.3 Deposits of weathering crusts of various countries.
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3.3 Isotopic Particularities of the Formation of Manganese Rocks and Ores -- Isotopic composition of carbon and oxygen -- Isotopic composition of strontium -- Chapter 4: The Major Epochs and Phases of Manganese Accumulation in the Earth's History -- 4.1 Archean Metallogenic Period (3500-2500 Million Years) -- 4.2 Proterozoic Metallogenic Period (2500-550 Million Years) -- 4.2.1 Early-Middle Proterozoic Epoch (2500-1000 Million Years) -- 4.2.2 Late Proterozoic (Neoproterozoic) Epoch (1000-550 Million Years) -- 4.3 Phanerozoic Metallogenic Period (Zone) -- 4.3.1 Early-Middle Paleozoic Epoch (Cm-D) -- 4.3.2 Late Paleozoic Epoch (C-P) -- 4.4 Mesozoic-Cenozoic Manganese Epoch (T-Pg) -- 4.5 The Evolution of Manganese-Ore Formation in the Earth's History -- Chapter 5: The Role of the Biosphere in Manganese-Ore Formation in the Geological History of the Earth -- Conclusion -- Glossary of Terms Less Familiar to an English Audience -- References -- Index -- Back Cover.
Language:
English
