 | | Journal (article/letter/editorial) | | clusters in Guinea, two Jurassic-aged clusters in Sierra Leone, and in Liberia two clusters of unknown age...Banankoro cluster pipes in Guinea, the Koidu pipes in Sierra Leone and small pipes in the Weasua cluster...hypabyssal-facies kimberlite and remnants of the so-called transitional-facies and diatreme-facies kimberlite. Most...Jurassic kimberlites are considered to represent one province of kimberlites that track from older bodies in...to progressively younger kimberlites in Sierra Leone (Koidu, 146 Ma and Tongo, 140 Ma). The scarcity |  | | Book | | France Proceedings of the "Third International Kimberlite Conference" volume I E L S E V I E R , Amsterdam...Printed in The Netherlands ν THIRD INTERNATIONAL KIMBERLITE CONFERENCE Clermont F e r r a n d , September...e d . , E l s e v i e r , Petrology Series. : Kimberlite I I I : Documents. J . K o r n p r o b s t ,...discovered near lamproites these in the kimberlite f i e l d s o f New M e x i c o , a reasonable...International France. From h i s t o r i c a l Kimberlite Conference met in r e c o r d s , no diamonds |
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