In the framework of the work entrusted to WEDEXRO in 1958 "the suitability of the sigihan coal for metallurgical purposes was to be determined" and at the same time "it appeared advisable to carry out a critical examination of the state of the sigihan mine".
Peninjauan terhadap penyebaran pasir besi disekitar kota Agung dilaksanakan dari tanggal 10 sampai 26 pebruari 1976 dalam rangka melengkapi data penyebaran pasir besi di seluruh pantai selatan lampung. Daerah yang ditinjau terletak di Teluk Semangko antara Desa Kerta di sebelah timur desa Walimpah di Sebelah barat sepanjang kira kira 25 km.
Latar Belakang
Dengan dilaksanakannya program kebijaksanaan energi nasional, khususnya yang menyangkut penggunaan batubara sebagai sumber energi pengganti bahan bakar minyak, kebutuhan batubara pada masa datang akan meningkat dengan pesat. Peningkatan kebutuhan batubara ini harus diimbangi dengan peningkatan kapasitas produksi tambang-tambang batub…
Since The Early Beginnings Of the Bronze and Iron age charcoal has been used for heating and reducing purposes. In the direct production of iron a mixture of ore and charcoal is placed on a charcoal fire in earth holes or on hearths and burnt down with natural draught with the direct result that an iron ball reduced in the renn fire is obtained.
in addittion to the ore investigation ,33 coal samples ori ginatting from several test pits on sumatera and kalimantan heve been invitigated in the laboratory of the djawatan.
Edisi
-
ISBN/ISSN
-
Deskripsi Fisik
5 halaman,gambar tidak berwarna,dan tidak ada peta
Accordin to "GIPROKOKS" (Institute for designing coking plants) to supply and irom and steel plant of 250.000 tons steel per year with coke 500.000 tons of coal will be required. Besides that additional 250-000 tons par year will be needed for the power station, 25.000 KW and mine auxiliaries.