Volcanic Pipe Volcanic pipes are , Kimberlite pipes are the source of most of the world's commercial diamond production, and also contain other precious gemstones .

GEOPHYSICAL MODEL OF DIAMOND PIPES AND SINGER MODEL No 12 Compilers , surveying in prospecting for kimberlites pipes:Geologiya i Geofizika, v28, ,

Kimberlite pipes are the most important source of mined diamonds today The consensus on kimberlites is that they are formed deep within the mantle

What is kimberlite? Kimberlite is a special type of igneous rock that sometimes contains diamond It is named after the town of Kimberley in South Africa, where kimberlite was first recognized (in the late eighteen hundreds) as a ,

The entire wikipedia with video and photo galleries for each article Find something interesting to watch in seconds

What would happen if we had a new kimberlite eruption? , The tops of the pipes might be tens to hundreds of meters wide, , Wired Facebook; Wired Twitter;

As the kimberlite pipes approach the surface, decreasing pressure above allows some of the volatile materials in the magma (such as water and carbon dioxide) .

Introduction The Wesselton sill complex is composed of precursor kimberlite sills and dykes associated with the Wesselton kimberlite pipe, Kimberley, South Africa

Kimberlite most commonly form pipe shaped intrusives often fairly small in diameter but they may also form dykes , Kimberlite Deposits and Geology Formation of Diamonds

Diamonds: Not Always Hard to Find? , Most diamonds are found in kimberlite pipes, and few pipes yield enough diamonds to be worth the effort of mining them

Contrasting Geology and Near-Surface Emplacement of Kimberlite Pipes in Southern Africa and Canada 7th International Kimberlite Conference, .

HIV infections the kimberlite pipe much of alluvial diamond , Documents Similar To 48 the Quest for Regulating the Global Diamond Trade , Filipinas Life v .