Some inportant developments have taken place within the last twenty years in the Indonesian mining industry. However, since very little has been published officially, not much is known something about mining in Indonesia must depend on second and third-hand information of questionable reliability. When indonesia in 1967 invited foreign participation…
Di Daerah P. Belitung dijumpai 2 jenis granit, yaitu granit tipe-I di daerah Burung Mandi dan Membalong dan granit tipe-S di Daerah Tikus dan Kepayang.
Batuan granit pada blok Tanjungpandan yang terletak di Bagian Baratlaut P. Belitung dipilih sebagai daerah penyelidikan untuk mendapatkan daerah prospek bagi endapan tanah jarang.
Dua mineral tanah j…
The semi-detailed survey conduced during phase III (september to December 1986) in the long laai and long bia areas bore on polymetallic and gold anomalies detected by the 1979-1982 exploration compaign. Gold washing sites had also been recorded. These anomalis lie in the Mentarang volcano-sedimentary Formation, Probably lower Eocene in age.