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Introduction to Ore Forming Processes

Textbook

By: Laurence Robb

416 pages, Illus, figs

Wiley-Blackwell

Paperback | Apr 2004 | #141211 | ISBN: 0632063785
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NHBS Price: £42.50 $53/€51 approx

About this book

Systematically covers hydrothermal and sedimentary metallogenic environments and the gamut of mineral deposit types. Also relates metallogeny to global tectonics.

This book undoubtedly succeeds in addressing the intrinsic complexities that surround the formation of ore deposits in any environmental setting. It also demonstrates that ore-forming processes are integrally linked to the various wonders of the earth system, and paves the ground on which economic geology can find its deserved place in modern earth-science curricula, irrespective of the periodic declines of interest in ore dposit research from a purely commercial viewpoint...I can only recommend this textbook to all those interested, whether from the academic world or from the industry, in the challenges of mineral deposits and their origins. Harilaos Tsikos, University of Aberdeen, Geofluids, May 2004 "Here at last is a first-class senior undergraduate-postgraduate texbook focused on the spectrum of geological processes involved in the genesis of ore deposits...No question whatever, Introduction to Ore-Forming Processes succeeds in its principal stated purpose, that being "...to provide a better understanding of the processes as well as the nature and origin, of mineral occurrences and how they fit into the Earth sytem." The Canadian Mineralogist, March 2005 "The book brings a fresh new look to an old topic; it is balanced as to coverage, it is well and engagingly written, it is up to date, and it is global in coverage. I recommend the volume." American Mineralogist, January 2005 "This is an excellent book ... The text of the book is very well-written. The author describes lucidly (and patiently) all important features of specific processes, so that the reader can easily follow his arguments." Miner Deposita


Contents

Preface Introduction: Mineral Resources: Introduction And Aims What Makes A Viable Mineral Deposit? Some Useful Definitions And Compilations Natural Resources, Sustainability And Environmental Responsibility Summary And Further Reading Part I: Igneous Processes: 1. Igneous Ore-Forming Processes: Introduction Magmas And Metallogeny Why Are Some Magmas More Fertile Than Others?...The 'Inheritance Factor' Partial Melting And Crystal Fractionation As Ore Forming Processes Liquid Immiscibility As An Ore-Forming Process A More Detailed Consideration Of Mineralization In Mafic Magmas A Model For Mineralization In Layered Mafic Intrusions Summary And Further Reading 2. Magmatic-Hydrothermal Ore-Forming Processes: Introduction Some Physical And Chemical Properties Of Water Formation Of A Magmatic Aqueous Phase The Composition And Characteristics Of Magmatic-Hydrothermal Solutions A Note On Pegmatites And Their Significance To Granite-Related Ore-Forming Processes Fluid-Melt Trace Element Partitioning Water Content And Depth Of Emplacement Of Granites: Relationships To Ore-Forming Processes Models For The Formation Of Porphyry-Type Cu, Mo And W Deposits Fluid Flow In And Around Granite Plutons Skarn Deposits Near-Surface Magmatic-Hydrothermal Processes: The 'Epithermal Family Of Au-Ag-(Cu) Deposits The Role Of Hydrothermal Fluids In Mineralized Mafic Rocks Summary And Further Reading Part II: Hydrothermal Processes: 3. Hydrothermal Ore-Forming Processes: Introduction Other Fluids In The Earth's Crust And Their Origins The Movement Of Hydrothermal Fluids In The Earth's Crust Further Factors Affecting Metal Solubility Precipation Mechanisms For Metals In Solution More On Fluid/Rock Interaction: An Introduction To Hydrothermal Alteration Metal Zoning And Paragenetic Sequence Modern Analogues Of Ore-Forming Processes: The VMS-SEDEX Continuum Mineral Deposits Associated With Aquo-Carbonic Metamorphic Fluids Ore Deposits Associated With Connate Fluids Ore Deposits Associated With Near Surface Meteoric Fluids (Ground Water) Summary And Further Reading Part III: Sedimentary/Surficial Processes: 4. Surficial and Supergene Ore-Forming Processes: Introduction Principles Lateritic Deposits Clay Deposits Calcrete-Hosted Deposits Supergene Enrichment Of Cu And Other Metals In Near-Surface Deposits Summary And Further Reading 5. Sedimentary Ore-Forming Processes: Introduction Clastic Sedimentation And Heavy Mineral Concentration: Placer Deposits Chemical Sedimentation: Banded Iron Formation, Phosphorites, And Evaporites Fossil Fuels: Oil/Gas Formation And Coalification Summary And Further Reading Part IV: Global Tectonics And Metallogeny: 6. Ore Deposits in a Global Tectonic Context: Introduction Patterns In The Distribution Of Mineral Deposits Continental Growth Rates Crustal Evolution And Metallogenesis Metallogeny Through Time Plate Tectonics And Ore Deposits: A Summary Summary And Further Reading References Index

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Biography

Laurence Robb is Pavitt Professor of Economic Geology at the University of the Witwatersrand, Johannesburg, South Africa, and also Director of its Economic Geology Research Institute. He has worked for over 20 years on many of the great mineral districts of the African continent and has taught economic geology at Wits for almost as long.