Overview

This book highlights the most prominent research on the Popigai meteorite crater (Siberia, Russia), the 6th largest known impact structure in the world. Not only does the crater have a diameter of roughly 100 km, it is also an estimated 35.7 million years old. This monograph is an updated, extended and revised edition of the Russian-language book “Diamond-bearing Impactites of Popigai Astrobleme” and presents the most comprehensive research on the Popigai impact structure. The Popigai crater is unique in that the total amount of impact diamonds it contains exceeds all the other diamond-bearing provinces of the world. The work presented here is based on the geological mapping, core logging, geophysical survey and petrological studies of the crater, and was written by the team of geologists who first described the Popigai impact structure and its diamonds, and took part in the exploration of their deposits from 1970 to 1985.  

Full Product Details

Author:   Victor L. Masaitis
Publisher:   Springer Nature Switzerland AG
Imprint:   Springer Nature Switzerland AG
Edition:   Softcover reprint of the original 1st ed. 2019
Dimensions:   Width: 15.50cm , Height: 1.20cm , Length: 23.50cm
Weight:   0.454kg
ISBN:  

9783030085926

ISBN 10:   3030085929
Pages:   204
Publication Date:   05 January 2019
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.
Language:   English

Table of Contents

INTRODUCTION CHAPTER 1. MAIN GEOLOGICAL FEATURES OF IMPACT CRATER AND ITS ENVIRONMENT 1.1. Crystalline basement 1.2. Platform cover 1.3. Topography of the hollow and its surroundings 1.4. Gravity and magnetic fields 1.5. Morphology and inner geological structure 1.6. Subdivision of impact lithological units and impact rocks 1.7. Crater age CHAPTER 2. CONCENTRIC STRUCTURAL ZONES AND ITS IMPACT BRECCIA AND IMPACTITES 2.1. Outer zone of sin-impact deformations and outer slope of the ring trough 2.1.1. Area of the Sogdoku Upland 2.1.2. Area of the middle course of the Chordy-Daldyn River 2.1.3. Area of the up-stream of the Tongulakh River 2.1.4. Area of the up-stream of the  Arylakh-Yurjage River < 2.2. Ring trough and ring uplift (peak ring) 2.2.1. Area of the up-stream and middle courses of the Balagan-Yurjage River 2.2.2. Area of the Majachica Upland 2.3. Central depression. Area of the lower course of Daldyn River 2.4. Post-impact   deformations CHAPTER 3.  SHOCK-METAMORPHOSED CRYSTALLINE ROCKS, IMPACT BRECCIAS  AND IMPACTITES 3.1. Crystalline target rocks and their shock metamorphic features 3.1.1. Brief characteristic of gneisses and plagiogneisses 3.1.2. Mineralogical criterions   of the shock metamorphic parameters 3.1.3. Weakly and moderately shock-metamorphosed rocks 3.1.4. Intensely  shock-metamorphosed  rocks 3.1.5. Very intensely  shock-metamorphosed  rocks 3.2. Impact lithic breccias 3.2.1. Autochtonous and paraautochtonous lithic breccia 3.2.3. Allochtonous lithic breccia 3.2.3.1. Mega- and mesobreccia 3.2.3.2. Microbreccia (coptoclastite) 3.3. Tagamites 3.3.1. Composition, texture and principles of subdivision 3.3.2. Low-temperature tagamites (LT) 3.3.3. High-temperature tagamites (HT) 3.4. Suevites 3.4.1. Composition, texture, and principles of subdivision 3.4.2. Suevites, enriched by epiclasts 3.4.3. Suevites, enriched by vitroclasts 3.4.4. Impact glasses from suevites and coptoclastites 3.5. Hydrothermal alterations of impact breccias and impactites CHAPTER 4. PETROCHEMISTRY AND GEOCHEMISTRY  OF IMPACTITES AND TARGET ROCKS 4.1. Petrochemistry and geochemistry 4.2. Isotopic composition 4.3. Geochemical evidence of impactor’s matter CHAPTER 5. IMPACT DIAMONDS FROM SHOCKED CRYSTALLINE ROCKS AND IMPACTITES 5.1. Morphology of diamond paramorphs 5.2. Phase composition and microtexture 5.3. Physical properties 5.4. Isotopic composition CHAPTER 6. GENERAL PATTERNS  OF IMPACT DIAMOND DISTRIBUTION   6.1. General characteristics on sampling 6.2. Distribution of impact diamonds  over the impact structure 6.3. Impact diamond content and composition of host rocks 6.4. Distribution of impact diamonds in sheet-like tagamite bodies 6.5. Impact diamonds in placers 6.6. Deposits of impact diamonds and their resources CHAPTER 7. ORIGIN OF DIAMOND-BEARING  IMPACTITES 7.1. Reconstruction of the impact event 7.2. Main features of evolution of impact melt-forming and rock-forming petrological systems 7.2.1. Initial petrological systems 7.2.2. Transitional petrological systems 7.2.3. Final petrological systems CONCLUSION REFERENCES

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