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- noun Plural form of
Sorry, no etymologies found.
The Diamond Exploration Inc. technical team believes that diamond stability field conditions exist within the mantle root beneath the Cobalt area and the presence of diamond-bearing lamprophyres confirms that the mantle is fertile for diamonds in this region.
Apex comments that kimberlites and to a lesser degree, lamproites, lamprophyres and alluvial deposits are the source of economic diamond deposits worldwide.