The development potential of precambrian mineral deposits /

The Development Potential of Precambrian Mineral Deposits.

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor Corporativo: United Nations. Natural Resources and Energy Division
Formato: Electrónico eBook
Idioma:Inglés
Publicado: New York : Pergamon Press, [1982]
Temas:
From 570 million to 5 billion years ago
Ore deposits > Congresses.
Geology, Stratigraphic > Precambrian > Congresses.
G�ites min�eraux > Congr�es.
Stratigraphie > Pr�ecambrien > Congr�es.
NATURE > Natural Resources.
NATURE > Rocks & Minerals.
Geology, Stratigraphic
Ore deposits
Precambrian Geologic Period
Congress
proceedings (reports)
Conference papers and proceedings
Conference papers and proceedings.
Actes de congr�es.
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Front Cover; The Development Potential of Precambrian Mineral Deposits; Copyright Page; Table of Contents; CHAPTER 1. OPENING STATEMENT; CHAPTER 2. METALLOGENY OF THE PRECAMBRIAN WITH IMPLICATIONS FOR EXOGENOUS AND METAMORPHIC PROCESSES; REFERENCES; CHAPTER 3. REGIONAL TECTONIC STRUCTURES OF THE PRECAMBRIAN AS RELATED TO MINERAL DEPOSITS; INTRODUCTION; CONCLUSIONS; REFERENCES; CHAPTER 4. TECTONO-MAGMATIC ACTIVATION OF PRECAMBRIAN STRUCTURES AND THE RELATED MINERALIZATION; INTRODUCTION; MAIN TYPES OF TECTONO-MAGMATIC ACTIVATION; METALLOGENIC FEATURES OF ACTIVATED PRECAMBRIAN STRUCTURES.
  • Conclusionsreferences; chapter 5. sedimentary geology and metallogeny of strongly metamorphosed precambrian complexes; introduction; regional petrochemistry of precambrian formations as a guide to the identification of their primary nature; petrochemistry and identification of the original nature of strongly metamorphosed precambrian rocks; recognition of metamorphosed weathering crust, taking karelia as an example; corundites of the aldan shield as metamorphosed lower archean bauxites; metamorphism of sedimentary formations and ore-forming respiration
  • references.
  • Chapter 6. precambrian carbonaceous formations and related oresblack shale formations; ores in bl'ack shale formations; conclusion; references; chapter 7. iron-bearing rocks of the precambrian and their mining development; introduction; classes of precambrian iron ores; iron ores
  • grade and structure; exploration and development; evaluation of iron ores; references; chapter 8. precambrian iron ore deposits op the ussr; chapter 9. copper-nickel bearing rocks of the precambrian and their current and potential development.
  • The Role of Copper-Nickel Sulphide Precambrian Deposits in the World Supply of Copper and NickelThe Role of Metal: Sulphur Ratios in Assessing Copper-Nickel Deposits; Environments of Copper-Nickel Sulphide Deposits; Lover Mafic Copper-Nickel Sulphide Environment; REFERENCES; CHAPTER 10. PRECAMBRIAN GOLD DEPOSITS; INTRODUCTION; HISTORY; WITWATERSRAND REGION; NON-PROTEROZOIC CONGLOMERATE PRECAMBRIAN GOLD DEPOSITS; REFERENCES; CHAPTER 11. GRAPHITE DEPOSITS OF THE PRECAMBRIAN AND THEIR MINING DEVELOPMENT; INTRODUCTION; ECONOMIC CONSIDERATIONS.
  • DESCRIPTION, CLASSIFICATION AND ORIGIN OF GRAPHITE DEPOSITS AND OCCURRENCESEXPLORATION AND MINING DEVELOPMENT PROGRAMME FOR PRECAMBRIAN GRAPHITE; CONCLUSIONS; REFERENCES; REFERENCES; CHAPTER 12. PRECAMBRIAN METAMORPHOGENIC PEGMATITES; INTRODUCTION; METAMORPHOGENIC PEGMATITE FORMATION; EVOLUTION OF PEGMATITES; CONCLUSIONS; REFERENCES; CHAPTER 13. LATE PRECAMBRIAN-CAMBRIAN PHOSPHORITES; GENERAL FEATURES; PALEOTECTONIC RECONSTRUCTION AND GENETIC SPECULATION; CONCLUSIONS; REFERENCES; CHAPTER I4. PRECAMBRIAN MANGANESE ORE DEPOSITS; .Introduction; Gondite formation
  • the Madhya Pradesh type.
  • Gondite formation
  • the Ansongo and Nsuta types.

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