Popigai impact structure and its diamond-bearing rocks. ([2019])

• Record Type: Book
• Further Information: Note: Victor L. Masaitis, editor.
• Editors: Masaĭtis, V. L (Viktor Li︠u︡dvigovich)
• 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.
• Publisher Details: Cham, Switzerland : Springer
• Publication Date: 2019
• Extent: 1 online resource (xiv, 204 pages), illustrations (some color)
• Subjects: 551.3/970947; Impact craters -- Russia (Federation) -- Popigai Impact Crater; Diamond deposits -- Russia (Federation) -- Popigai Impact Crater; Diamond deposits; Impact craters; Russia (Federation) -- Popigai Impact Crater; Electronic books
• Languages: English
• ISBNs: 9783319779881; 3319779885
• Related ISBNs: 9783319779874
• Notes: Note: Online resource; title from PDF title page (SpringerLink, viewed May 31, 2018).
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.