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.
Penyelidikan didaerah kecamatan segah, kabupaten berau, kalimantan timur dilakukan dalam rangka kerja sama teknik CTA-39a yaitu antara Direktorat Sumberdaya Mineral dengan Berau de Recherches Geologiques et Minieres, Perancis.Penyelidikan lapangan didaerah-daerah tersebut telah menemukan adanya prospek bagi suatu mineralisasi timah, logam dasar dan …
The semi-detailed survey conducted 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 campaign. Gold washing sites had also been recorded.
These anomalies lie in the Mentarang volcano-sedimentary Formation,probably Lower Eocene in age. A majo…
Edisi
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ISBN/ISSN
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Deskripsi Fisik
Warna : Putih,Merah Halaman : 50
Judul Seri
CTA 39A Detailed work in the Long Bia and Long Laai areas N.E. Kalimantan (exploration of parts of the Long Sului-Long Kujau lineament) 1986-1987 report