kimberlite pipe

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• Drybones Bay kimberlite pipe — The Drybones Bay kimberlite pipe is a diamondiferous diatreme in the Slave craton of the Northwest Territories, Canada. It is the largest diatreme discovered in the Northwest Territories.[1] See also …   Wikipedia

• Kimberlite — is a type of potassic volcanic rock best known for sometimes containing diamonds. It is named after the town of Kimberley in South Africa, where the discovery of an 83.5 carat diamond in 1871 spawned a diamond rush, eventually creating the Big… …   Wikipedia

• Kimberlite — à gros cristaux d’olivine La kimberlite est une roche ultramafique (riche en magnésium), potassique et riche en éléments incompatibles, ainsi qu en volatils (H2O et CO2). Elle doit son nom à la ville de Kimberley en …   Wikipédia en Français

• pipe — [ pip ] n. f. • déb. XIIIe; de piper 1 ♦ Vx Pipeau. Chalumeau, tuyau. 2 ♦ Ancienne mesure de capacité. ♢ Région. Grande futaille, de capacité variable. 3 ♦ (XVe; par anal. pop.) Vx …   Encyclopédie Universelle

• kimberlite — /ˈkɪmbəlaɪt/ (say kimbuhluyt) noun a variety of mica peridotite which occurs in narrow pipe like bodies and which often contains diamonds. {Kimberl(ey) + ite1} –kimberlitic /kɪmbəˈlɪtɪk/ (say kimbuh litik), adjective …  

• Birch Mountains kimberlite field — The Birch Mountains kimberlite field is a kimberlite field in Northern Alberta, Canada. It is a product of kimberlite volcanism during the Cretaceous period which was the most prolific period for worl wide kimberlite volcanism. The field is part… …   Wikipedia

• Volcanic pipe — Volcanic pipes are geological structures formed by the violent, supersonic eruption of deep origin volcanoes. They are considered to be a type of diatreme . Volcanic pipes are composed of a deep, narrow cone of solidified magma (described as… …   Wikipedia

• Dragon pipe — The Dragon pipe is a diatreme associated with the Birch Mountains kimberlite field in northern Alberta, Canada. It is thought to have formed about 75 million years ago when this part of Alberta was volcanically active during the Late Cretaceous… …   Wikipedia

• K19 pipe — is a diatreme in the southwestern part of the Buffalo Head Hills kimberlite field in Northern Alberta, Canada. It is thought to have formed about 60 million years ago, making it one of the youngest volcanic formations in the Buffalo Head Hills… …   Wikipedia

• JD-03 pipe — The JD 03 pipe is a kimberlite diatreme in Nunavut, Canada, located Unit km|7|0 from the Jericho Diamond Mine. It was discovered in 1996 and is interpreted to be pyroclastic with intense serpentinization.The JD 03 pipe formed by an explosive… …   Wikipedia

• Phoenix pipe — The Phoenix pipe is a diatreme associated with the Birch Mountains kimberlite field in northern Alberta, Canada. It is thought to have formed about 75 million years ago when this part of Alberta was volcanically active during the Late Cretaceous… …   Wikipedia