Around Sixth or tenth of the century diamond were know to occur in Kalimantan. since that time up to the present all the diamond production derives from placer of secondary desposits. Diamond placer either driver from alluvial or as paleo-channel and the recent stream deposits.
Ketersediaan
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Pusat Sumber Daya Mineral, Batubara dan Panas Bumi - Jln. Soekarno Hatta No. 444, Bandung, Jawa Barat
PMB LF 2001 -1