n.wing easton sudah melakukan penyelidikan geologi konvensional setjara mendetil,terutama untuk sektor kalimatan barat lengkap dengan hasil penelitian lapangan dan lab.sebagai hasilnja berupa peta -peta geologi jang lengkap .
These are completed and decribed by Ubaghs in the mentioned Kutai area, and are also finished in his 5 maps of scale 1:25.000 it included not only the region west and east koetai (exduded apart of S.W. And N.W Koetai) but also Balikpapan, The whole Mangkaliat peninsula and a small part of upper Mahakam. in comexion with Dr. Zwierzycki's criticism et…
These are completed and decribed by Ubaghs in the mentioned Kutai area, and are also finished in his 5 maps of scale 1:25.000 it included not only the region west and east koetai (exduded apart of S.W. And N.W Koetai) but also Balikpapan, The whole Mangkaliat peninsula and a small part of upper Mahakam. in comexion with Dr. Zwierzycki's criticism et…
This reconnaissance report was prepared in July, 1951 base on the writer's memory of this experiences at the time of his field survey of Tanarang iron deposit in Southeastern Borneo in November, 1943.
All observations of the wedexro experts on pits and their ore sections are compiled in the following list with earlier analysis in order to fasilitate the understanding of previous and recent investigations. Assay of essential chemical compounds is given.
Penyelidikan ini telah dilakukan oleh rombongan kami dengan bantuan dari pihak pembesar daerah, penguasa perang, Veteran dan rakyat setempat terhadap tempat-tempat endapan2 (deposit) batu-besi digunung tanalang dalam dua kali yaitu; pertama kali selama 5 hari sejak tgl. 12 oktober 1958 dan kedua kalinya selama 7 hari sejak tgl. nopember 1958.
The first investigations of the coal formation on the island of pulau laut were carried out by mining-engineer C.DE Groot on Account of a report published in 1850 by the architect of the engineers corps W. IHNE.
The first investigation of the coal formation on the island of pulau laut were carried out by mining-engineer C.DE GROOT, on account of a report published in 1850 by the architect of the engineering corps W.IHNE.
According to "GIPROKOKS" (Institute for designing coking plants) to supply and iron and steel of 250.000 tons steel per year with coke 500.000 tons of coal will be required.
According to the program of iron and steel projrct of kalimantan approved b. madjelis permusjawaratan rakyat sementara (The indonesian temprorary national councill) geological investigations were carried outbwithin the busang and sigihan coal deposits in 1963-1964, with a view to ascertain the coal quality and reserves of commercial importance so as…