Classifications and Historical Studies

1st Edition - January 1, 1976
Author: Bozzano G Luisa
Language: English
eBook ISBN:
9 7 8 - 0 - 4 4 4 - 5 9 9 3 2 - 2

Classifications and Historical Studies is a collection of papers dealing with theoretical and applied ore petrology. One paper discusses the use of conceptual models in geology… Read more

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Classifications and Historical Studies is a collection of papers dealing with theoretical and applied ore petrology. One paper discusses the use of conceptual models in geology such as the diagrammatic/pictorial, the flow-chart, and the tabular types of conceptualizations. Another paper describes some transitional types of mineral deposits in volcanic and sedimentary rocks. Concentrations of copper minerals and commonly associated metals form deposits associated with orogenic belts and cratonic regions. The paper points out that many major groups of mineral deposits grade into other groups through occurrences with intermediate or transitional characteristics. It suggests a classification method of mineral deposits based on the observable features of the mineral deposits rather than their inferred genesis. One paper reviews the theory of magmatic—hydrothermal replacement origin of stratiform sulfide ore bodies. The review covers concepts of certain major ore deposits as being independent and isolated phenomena to regarding a wide range of deposits as contemporaneous, indigenous, and related to their environments. Another paper points out that according to North American geologists, certain types of ore deposits are formed syngenetically and are subjected to the same metamorphic events that affect the ores in which they are enclosed. The collection can be valuable to researchers, technical designers, or engineers whose works are related with oil refinery and fossil fuels, as well as to students majoring in geology.

Chapter 1. IntroductionChapter 2. Conceptual ModelsChapter 3. Classifications of Strata-Bound Ore Deposits Introduction General Statement Parameters for Classification Classification by Major Controlling Process Classification by Direct Emplacement Mechanism Classification by Host Lithology Classification by Chemical Reactivity Classification by Source of Metals Classification by Source of Transporting Fluids Classification by Direction of Transporting Fluids Classification by Relative Age of Deposit and Host Common Denominator of Classifications Classification Adopted-Geometric and Stratigraphic Conformity Description Inferences ReferencesChapters Some Transitional Types of Mineral Deposits in Volcanic and Sedimentary Rocks Introduction A Classification of Deposits of Copper and Associated Metals Deposits in Orogenic Belts Deposits in Cratonic Rocks Examples of Transitional Series of Mineral Deposits General Statement Deposits Associated with Volcanic Rocks, Chert and Greywacke Deposits Associated with "Alteration Pipes" Deposits in Alteration Pipes and Interbedded with Layered Volcanic Rocks Bedded Massive Sulphides Deposits Associated with Volcanic and Sedimentary Rocks The Bathurst-Newcastle District North Coldstream Mine Mount Isa Sullivan, B.C Deposits Associated with Volcanic and Calcareous Rock and Greywacke Meggen Rammelsberg Balmat and Edwards District The Tynagh Deposit Conclusion ReferencesChapter 5. Development of Syngenetic Ideas in Australia Introduction Background and Synopsis Chronology of Events Growth of Ideas Broken Hill Other Deposits Gaps in the Geologic History Summary and Conclusion References and BibliographyChapter 6. Origin, Development, and Changes in Concepts of Syngenetic Ore Deposits as Seen by North American Geologists Introduction Chronological Outline of the Development in Concepts of Syngenetic Ores The Lindgren Volume 1931-1937. Early Work 1937-1950. An Hiatus 1951-1956. Syngenesis Versus Epigenesis 1957. Source Beds Mid 1950's. Uranium in Ancient Conglomerates Late 1950's. Massive Sulfide Deposits. 1958. Volcanic-Exhalative Ores 1960. Syngenesis Versus Epigenesis 1960. Uranium in Ancient Conglomerates 1960. Sulfur-Isotope Ratios 1960. Uranium in Ancient Conglomerates 1960. Syngenesis Versus Epigenesis 1960. Massive Sulfide Deposits 1961-1963. Sulfate-Reducing Bacteria 1963. Diplogenesis 1963. Water of Compaction 1964. Uranium in Ancient Conglomerates 1964. Connate Brines 1964. Organic Reefs 1964. Sulfate-Reducing Bacteria 1965. Massive Sulfide Deposits 1965. Sulfur-Isotope Ratios 1965. Strata-Bound Ores and Evaporites 1965. Sulfur-Isotope Ratios 1965. Volcanic-Exhalative Ores 1965. Massive Sulfide Deposits 1965. Sulfur-Isotope Ratios 1965. Sulfate-Reducing Bacteria 1966. Massive Sulfide Deposits 1966. Massive Sulfide Deposits 1966. Sulfur-Isotope Ratios 1966. Syngenesis, Epigenesis, and Metamorphism 1966-1968. Syngenesis and Diagenesis 1968. Uranium in Ancient Conglomerates 1968. Diagenesis 1968. Meteoric Water 1968. Ore Fluids 1969. Massive Sulfide Deposits 1969. Diagenesis 1969. Ore Brines 1969. Sea water Depths 1969. Massive Sulfide Deposits 1969. Metamorphism of Ore Bodies 1969-1970. Syngenesis and Diagenesis 1970. Ore Fluids 1970. Kuroko Deposits 1970. Uranium Deposits in Various Rock Types 1971. Diagenesis 1971. Massive Sulfide Deposits-Classification 1971. Syngenesis 1971-1972. Massive Sulfide Deposits 1972. Sea-Floor Fe-Mn Nodules 1972. Syngenesis 1972. Massive Sulfide Deposits (and Porphyry Coppers) 1972. Sulfer-Isotope Ratios 1972. Sulfate-Reducing Bacteria 1973. Syngenesis Versus Epigenesis 1973. Ore Brines 1973. Sulfur Isotopes 1973. Massive Sulfide Deposits 1973. Syngenesis Versus Epigenesis 1973. Sulfate-Reducing Bacteria 1973. Volcanic-Exhalative Ores 1973. Massive Sulfide Deposits 1973. Sulfate-Reducing Bacteria 1973. Massive Sulfide Deposits 1974. Sulfate-Reducing Bacteria 1974. Sulfide Diffusion 1974. Volcanic-Exhalative Deposits Conclusions References Topical IndexChapter 7. Summary of the French School of Studies of Ores in Sedimentary and Associated Volcanic Rocks-Epigenesis Versus Syngenesis Introduction The Case of the Kupferschiefer The Trap Structures The Marine Traps The Continental Traps The Exceptional Metalliferous Supplies Terrigenous Supply Vulcanogenous Supply Thalassogenous Supply Fluidogenous Supply The Post-Sedimentary Transformations Diagenesis of Sedimentary Metalliferous Concentrations Metamorphism of Sulfide Mineralizations (Particularly, Synsedimentary Concentrations Deposited in a Geosynclinal Environment) Conclusion References