 | | Journal (article/letter/editorial) | | results obtained by the detailed studying of carbonado (the first find in a gold placer in Primorie)...deposit. In the concentrate from the placer, carbonado is associated with green corundum, various ilmenite...tin occur as inclusions in the diamonds. The carbonado from Primorie was determined to be practically...its carbon (13ë from –25 to –32‰). Pores of the carbonado aggregates contain clusters of diamond crystals...color, both with outer coats), and one black carbonado grain. The data obtained on the mineralogy of |  | White, L.T., Graham, I., Tanner, D., Hall, R., Armstrong, R.A., Yaxley, G., Barron, L., Spencer, L., van Leeuwen, T.M. (2016) The provenance of Borneo's enigmatic alluvial diamonds: A case study from Cempaka, SE Kalimantan. Gondwana Research, 38. 251-272 doi:10.1016/j.gr.2015.12.007 | Journal (article/letter/editorial) | | alluvial diamonds: A case study from cempaka, SE Kalimantan L.T. White, I. Graham, D. Tanner, R. Hall, R...alluvial diamonds: A case study from cempaka, SE Kalimantan, Gondwana Research (2016), doi: 10.1016/j.gr...diamonds: a case study from PT Cempaka, SE Kalimantan L. T. White1, I. Graham2, D. Tanner1, R. Hall1... Naim IIIB No. 8, Jakarta, 12150, Indonesia Keywords: Kalimantan, exploration, provenance, detrital...alluvial deposits across central and PT southern Borneo. Borneo has been a known source of diamonds for centuries |  | | Journal (issue) | | Sapphire Summer 1988 The Diamond Deposits of Kalimantan, Borneo An Update on Color in Gems: Part 3 Pastel...mention is also made of exploration in Kalimantan, on the island of Borneo. However, the question as to who...descriptions of smaller opal sources [Denmark, Honduras, Indonesia, Mali, Saxony, Slovakia [formerly Hungary], Turkey...polycrystalline black diamonds, called carbonados. No carbonado diamond has ever been found in situ in a rock |  | | Report (issue) | | gnments in Bolivia, Botswana, Colombia, Kenya, Indonesia, Malawi, Peru, Solomon Islands, Sri Lanka, Turkey...resources of its offshore regions. Indonesia Kalimantan The East Kalimantan Coal Project was suc cessfully...of the Neogene Kutai Basin near Samarinda in Kalimantan by geological survey and drilling. Investigations...to finance one senior IGS officer to remain in Indonesia until 1 982 to supervise the publication of reports...During 1 98 1 the IGS geologist remaining in Indonesia undertook further fieldwork on the Hatapang Granite |  | | Book | | for watches and precision instruments. Diamond (carbonado), corundum, garnet, and quartz are used as polishing...nations in siliceous schists on the island of Kalimantan (Borneo), in the products of coal fires and in peats...intergrowths and spherical radiate ag gregates; (2) carbonado, close-grained porous aggregates coloured brownÂ...gemstone. Very small diamonds, and also bort and carbonado are used in metal working, stonecutting industries...deposits of red gem spinel exist on Ceylon and Kalimantan (Borneo) where it is found in gold placers, and also |  | | Book | | unpublished); Yarlung Zangbo (Wu and Deng, 1980); Indonesia (Monnier, 1996); Papua–New Guinea (Jaques and...Gerbert-Gaillard, 2002; Godard, unpublished); Indonesia (Monnier, 1996); New Caledonia (Prinzhofer and...Gerbert-Gaillard, 2002; Godard, unpublished); Indonesia (Monnier, 1996); Papua–New Guinea (Jaques and...aggregates such as framesite or carbonado and as single crystals. Carbonado, a porous, black, irregularly...polycrystalline diamond: a contribution to the carbonado conundrum. Earth Planet. Sci. Lett. 164(3–4), |
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