 | | Book (edition) | | pyroxene, with only minor quantities of diamond, pyrope garnet or other minerals. That diamonds crystallized...Garnets from peridotites, for example, are rich in pyrope, while those from eclogites have a significant...Cut and polished diamond with an inclusion of red pyrope garnet 31 The Geological Sources of Gems Such...disintegration of the kimberlites. Some diamond-bearing pyrope serpentinites in one of the Yakutia pipes have...kimberlites are genetically associated with deep-seated pyrope periodotites. When these are fused they form kimberlite |  | | Journal (issue) | | Reports on the Mansa Guda-Tarbaj area and on the Mandera area in north-east Kenya were completed. SpecialSurveys:...Uganda, Madagascar, Mozambique, Somaliland Protectorate, Italian Somaliland, and United Kingdom (Dr. Dixey)...alumina. Analyses of columbite from Bumbuna and of pyrope garnet occurring in the diamond-bearing gravels...interstitial carbonate, magnetite and perovskite. Pyrope garnet has been identified in serpentine inclusions...pp. (Zomba: Government Printer, 1955.) 2s. 6d. Somaliland Protectorate: Annual report of Geological Survey |  | | Journal (volume) | | Uganda Tanganyika . Northern Rhodesia Nyasaland . Somaliland . Bechuanaland Swaziland Federation of Nigeria...V Plate VI Strongly Jointed Gneisses, British Somaliland Outcrop of Manganese Ore, Fiji Plate VII Anorthosites...Tanganyika 55 Northern Rhodesia 59 Nyasaland 60 Somaliland . 62 Bechuanaland 63 Swaziland 64 Nigeria...Tanganyika Strongly Jointed Gneisses, British Somaliland 57 57 Outcrop of Manganese Ore , Fiji ix This...geological mapping of the Basement rocks continued in Somaliland, and satisfactory results were obtained also |  | | Journal (volume) | | manganese and magnesium. Common garnets include pyrope, almandine and grossular - spessartine is a less...groups. One of these groups consists of almandine, pyrope and spessartine, while the other is made up of...main garnets are almandine, andradite, grossular, pyrope, spessartine and uvarovite. The chemical composition...ultrabasic rocks such as eclogite. In this situation pyrope is commonly associated with olivine. Garnets also...two main garnet groups, one containing almandine, pyrope and spessarcine, the other containing andradice |
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