Yu. B. Mironov:

Uranium of Mongolia

Centre for Russian and Central EurAsian Mineral Studies: CERCAMS; Ed.: Natural History Museum, London, United Kingdom

2005. 229 pages, 29 figures, 22 tables, 20x29cm, 670 g
Language: English

ISBN 978-3-510-65408-6, paperback, price: 60.00 €

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Synopsis top ↑

The vigorously growing economy of Asian countries requires a speedup in development of mineral resources, first of all, as concerns the fuel and energy supply. Mongolia may be an exporter of natural uranium as a fuel for nuclear power plants. The long-standing prospecting and exploration of Mongolia resulted in discovery of economic uranium deposits similar to those making up a basis of raw-material potential of atomic energetics in Russia, Kazakhstan, and Uzbekistan.
In the course of metallogenic and prospecting works in Mongolia, a great deal of uranium prospects has been found, and the systematic patterns of their spatial localization and temporal evolution outlined. The location of Mongolia in a system of global tectonic units determines the diversity of uranium ore provinces both in age and type. The comparative metallogenic analysis of Mongolia and adjacent regions of Russia, Kazakhstan, Uzbekistan, and China in combination with long-standing field works served as a basis for métallogénie subdivision of the Mongolian territory with respect to uranium occurrences.
It has been established that the Late Mesozoic superimposed volcanotectonic structures as well as the basins formed in the Cenozoic epoch of arching and block-faulting are crucial for uranium metallogeny. The occurrences, prospects and deposits related to these ore-forming epochs are known from almost all districts of Mongolia.
The diversity of geologic settings of uranium mineralization formed against the background of long and intricate tectonic evolution attracts relentless interest of specialists to various aspects of geology, geochemistry, and uranium potential of this complexly built territory rich in ore deposits.
The main objective of this monograph is to describe the principal features of uranium geology and metallogeny in Mongolia. The author hopes that his contribution will promote further progress in forecasting of new deposits and efficient exploration in the regions of similar geologic setting.
The monograph is written in such a style that readers could get acquaintance with the most important types of uranium mineralization and with the most representative deposits pertaining to each type. The main attention is paid to the characteristics that provide insights into formation conditions of uranium deposits and their localization.

Table of Contents top ↑

Translator’s Comments 3
Author’s Preface 4
Introduction 5
Chapter 1. Exploration of Uranium Ore Mineralization in Mongolia: A Retrospective 7
Chapter 2. Geotectonics 11
2.1. Location of Mongolia in the Central Asian Mobile Belt 11
2.2. Main Tectonic Units 11
Chapter 3. Mineral Resources of Mongolia: Principal Features 18
3.1. Gold 18
3.2. Silver 21
3.3. Fluorite 21
3.4. Tungsten, Tin, and Molybdenum 25
3.5. Copper, Lead, and Zinc 28
3.6. Coal 33
3.7. Pyroschists 36
3.8. Peat 36
3.9. Oil 36
3.10. Main Epochs of Mineragenic Evolution 37
Chapter 4. Distribution of Radioactive Elements in Rocks 40
4.1. General radiogeochemical characteristics 40
4.2. The North Mongolian Fold System 43
4.3. The Mongolian Altai Fold System 46
4.4. The Transbaikal-Mongolian Fold System 49
4.5. The C entral Mongol i an F ol d Sy stem 51
4.6. The South Mongolian and South Gobi Fold Systems 56
Chapter 5. Types of Uranium and U-Bearing Mineralization 60
5.1. Fluorine-Molybdenum-Uranium Mineralization in the Late
Mesozoic Volcanotectonic Structures and Their Basements 60
5.2. Uranium Mineralization in Terrigenous Fill of Mesozoic and
Cenozoic Depressions 63
5.3. Uranium Mineralization in Terrigenous Fill of Cenozoic
Paleovalleys 65
5.4 Uranium Mineralization in Mesozoic Coal-Bearing Sequences 66
5.5. Uranium Mineralization in Carbonaceous and Cherty Rocks 67
5.6. Uranium Mineralization in Crush Zones Cutting Leucogranites 67
5.7. Other Types of Uranium Concentrations 69
5.8. Epochs of Uranium Ore Formation 71 5 .9. Metallogenic Demarcation of Mongolia with Respect to Uranium Mineralization 71
Chapter 6. Uranium Ore Districts and Permissive Districts 75
6.1. The Argun-Mongolian Uranium Ore Province 75
6.1.1 .The North Choybalsan Uranium Ore District 77
6.1.11. The Domod Uranium Ore Cluster 79
6.1.2. The Berh Permissive Uranium Ore District 151 The Ôlziit-Saihan-uul Permissive Uranium Ore Cluster 155 The Batnorov Permissive Uranium Ore Cluster 157
6.1.3. The East Gobi Permissive Uranium Ore District 168 The Bor-ôndôr Permissive Uranium Ore Cluster 172 The Khongor Permissive Uranium Ore Cluster 175 Ulaan-nuur Permissive Uranium Ore Cluster 175 The Shivee Permissive Uranium Ore Cluster 177
6.13.5. The Ikh-khet Permissive Uranium Ore Cluster 181 The Baga-nart Permissive Uranium Ore Cluster 183
6.1.4. The Central Gobi Permissive Uranium Ore District 183
6.1.5. Geological Prerequisites and Guides to Ore Districts,
Fields, and Deposits 184
6.2. The Gobi-Tamtsag Uranium Ore Province 188
6.2.1. The Saynshand Uranium Ore District 188 The Saynshand Uranium-Bearing Basin 192 The Choyren Uranium-Bearing Basin 196
6.3. The Hentiy-Daur Uranium Ore Province 201
6.3a. The Hentiy Uranium Ore Region 202
6.3a.1. The Central Permissive Uranium Ore District 202
6.3a. 1.1. The Janchivlin Permissive Uranium Ore Cluster 205
6.3a.1.2. The Bayan-delger Permissive Uranium Ore Cluster 207
6.3a.1.3. The Ilur Permissive Uranium Ore Zone 208
6.3b. The Hangay Permissive Uranium Ore Region 210
6.3b.1.1. The Chuluut Permissive Uranium Ore Cluster 211
6.4. The North Mongolian Permissive Uranium Ore Province 213
6.4.1. The Butuliin-nuur Permissive Uranium Ore Zone 215
6.4.2. The Hôvsgôl Permissive Uranium Ore Zone 216
6.4.3. The Ar-gol Permissive Uranium Ore Zone 216
6.4.4. The Mongolian Altai Permissive Uranium Ore zone 218
Chapter 7. Estimation of Uranium Resources in Mongolia 219
Conclusions 224
References 225