Explosion Pipes

I Kimberlite and Lamproite Pipes.- 1 Morphology of Kimberlite Bodies.- 2 Internal Structure of Kimberlite Bodies.- 3 Distribution of Xenoliths and Minerals in Kimberlite Pipes.- 4 Contact Effects of Kimberlite.- 5 Size of Diatremes and Distribution of Bodies of Variable Sizes in Kimberlite Fields.- 6 Size of Diatremes and Genetic Features of the Rocks.- 7 Chronology of Kimberlite Formation.- 8 Structural Control of Kimberlite Occurrence and Factors of its Localization.- 9 Temporal and Spatial Rules in the Magmatic History of Kimberlite Fields.- 10 Kimberlite Magma Chambers.- 11 Diatremes of Diamondiferous Lamproites of Australia.- II Nonkimberlite Diatremes.- 12 Alkali Basaltoid and Carbonatite Diatremes.- 13 Trap Formation Diatremes.- 14 Trachyte Diatremes.- III Mechanism and Conditions of Pipe Formation.- 15 Hypotheses on the Genesis of Pipes.- 16 The Connection of Diatremes with the Earth's Surface and Major Stages in Diatreme Formation.- 17 Physical State of the Material Involved in Diatreme Formation.- 18 Dynamics and Mechanism of Pipe Formation.- 19 Energetics and Geology of Processes Responsible for Pipe Formation.- Conclusions.- References.