ISBN-10:
0873352130
ISBN-13:
9780873352130
Pub. Date:
11/28/2002
Publisher:
Society for Mining, Metallurgy, and Exploration
Diamond Deposits: Origin, Exploration, and History of Discovery / Edition 1

Diamond Deposits: Origin, Exploration, and History of Discovery / Edition 1

by Edward I. Erlich, W. Dan Hausel

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Overview



The material found in Diamond Deposits provides a foundation for discussing some of the most fundamental problems of theoretical geology, such as the timing of geological events and the development of cratonic areas. Written for geologists and diamond prospectors, this book provides a general overview of diamond exploration and exploitation. The text covers how to find, recognize, and evaluate the potential of diamond deposits. The book offers examples of these processes by reviewing the history of important diamond discoveries in the western United States and Russia.

Diamond Deposits primarily focuses on the geology of common diamond host rocks, including kimberlite and lamproite. It also reviews the occurrence of some unconventional host rocks that have produced notable diamond discoveries.



Product Details

ISBN-13: 9780873352130
Publisher: Society for Mining, Metallurgy, and Exploration
Publication date: 11/28/2002
Edition description: New Edition
Pages: 374
Product dimensions: 7.00(w) x 10.00(h) x 0.90(d)

Table of Contents

List of Figuresvii
List of Tablesxiii
Prefacexv
Section 1Diamonds1
Chapter 1History of Diamond Discoveries3
Introduction3
History of Diamond Discoveries3
References29
Chapter 2Diamond Morphology33
General Properties and Internal Structure33
Crystal Habit37
Varieties of Diamond38
Dissolution Phenomena44
References46
Chapter 3Age and Origin of Diamonds: an Overview49
Methods of Dating49
Ages Determined49
Conditions of Formation51
References52
Chapter 4Gemstone and Synthetic Diamonds53
Gemology53
Types of Cutting55
Famous Diamonds58
Synthetic Diamonds69
References70
Section 2Conventional Host Rocks73
Chapter 5Overview75
References77
Chapter 6Kimberlites79
Introduction79
Types and Petrographic Features80
Associated Xenoliths and Mantle Nodules82
Kimberlite Facies90
Origin of Kimberlite109
Origin of Diamond116
References120
Chapter 7Lamproites127
Introduction127
Geochemistry and Mineralogy129
Geology and Volcanology132
Associated Xenoliths and Xenocrysts137
Diamondiferous Lamproite139
Genesis of Lamproite in Comparison with Kimberlite142
References143
Chapter 8Placers147
Pleistocene to Recent Placers147
Paleoplacers153
References153
Section 3Unconventional Source Rocks155
Chapter 9Overview157
References159
Chapter 10Meteorites, Ultramafic, and Mafic Igneous Rocks161
Meteorites161
Ultramafic Intrusions162
Mafic and Ultramafic-Alkaline Volcanic Rocks170
References176
Chapter 11High-Pressure Metamorphic Complexes179
Dabie Shan, China179
Geologic Province181
Saxonian Erzgebirge, Germany188
References189
Chapter 12Specific Type of Ring Structures (Astroblemes)191
Introduction191
Location193
Internal Structure193
Petrography and Petrology198
Geochemical Patterns200
Diamond Distribution202
Genesis204
References207
Section 4Tectonic Control and Temporal Distribution of Diamond Deposits209
Chapter 13Tectonic Control of Diamond Deposits211
Petrographic Provinces211
Structures Associated with Ultramafic-Alkalic Magmas214
Structures That Control Spatial Distribution of Diamond Deposits and Ultramafic-Alkaline Magmas in the Crust217
Role of Isostatic Equilibrium236
Suggested Model237
References241
Chapter 14Temporal Distribution of Diamond Deposits245
Introduction245
Pulsative Nature and Synchroneity of Ultramafic-Alkaline Volcanism259
Timing of Magma Emplacement and Related Processes264
Suggested Model272
References272
Section 5Exploration, Mining, Economics, and Extraction277
Chapter 15Exploring for Diamond Deposits279
Introduction279
Geologic Clues285
Indicator Minerals294
Exploration Programs306
References319
Chapter 16Predicting Diamond Content325
Introduction325
Diamond Contribution of Peridotite326
Diamond Contribution of Eclogite327
Diamond Preservation327
References337
Chapter 17Mining and Recovery of Diamonds341
Economic Diamond Deposits341
Mining343
Milling345
References348
Chapter 18Diamond Markets and Exploration Prejudices351
Introduction351
Diamond Markets352
Impediments to Diamond Exploration355
The Importance of Fundamental Research361
References362
Index363
About the Authors373

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