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Published in:
2009 | OriginalPaper | Chapter
3. Indonesia
Author : Franz J. Dahlkamp
Published in: Uranium Deposits of the World
Publisher: Springer Berlin Heidelberg
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Abstract
Noteworthy U occurrences are reported from the Kalan region in western central Kalimantan. OECD-NEA/IAEA (2005) reports in situ resources of 6 797 t U RAR and 1 699 t U EAR-I including some 5 800 t U recoverable resources (RAR + EAR-I). CEA/COGEMA has explored the Kalan region in the early 1970s and estimated resources of 1 260 t U at a grade of 0.27% U for Eko-Remaja, some 500 t U for Lemajung, and around 100 t U for boulders (“Rirang boulders”) along the Rirang River. Exploration is conducted by BATAN, a state-owned institution. A pilot beneficiation plant has been installed 2 km N of the Remaja prospect.
Sources of information. CEA 1976–1977; Molinas and Dardel 1985; OECD-NEA/IAEA 2001, 2005; Sarbini and Wirakusumah 1988; Tjokrokardono and Sastratenaya 1988; Bruneton P pers. commun. 2007.