In terms of mining activity, copper is the leading nonferrous metal. It is true that in re• cent years the volume of aluminum con• sumption in the non-Communist world has exceeded the volume of copper consumption, but virtually the entire primary aluminum supply is derived from bauxite. On the aver• age, only four tons of bauxite need…
This chapter will deal with the policy is• sues relating to mineral land disposal. The first portion of the chapter will discuss in general terms the legal systems utilized in disposing of mineral rights and the major problems encountered; the second section will comprise an analysis of the policy alter•natives wit…
Dalam rangka optimalisasi pemanfaatan potensi sumber daya mineral perlu dilakukan inventarisasi dan evaluasi potensi yang akan memantau akurasi potensi sumber daya mineral yang terdiri dari kelompok komoditi mineral logam, non logam dan batubara secara terus menerus. Data yang diperoleh diharapkan dapat m…
Secara geologi, daerah Kabupaten Ciamis mengandung bahan tambang baik logam maupun non logam seperti emas, pasir besi, batugamping/batukapur, fosfat, batugamping dolomitan, tras, zeolit, kaolin, tufa felspar dan air panas. Sejalan dengan …
Pembangunan Sektor Pertambangan yang merupakan perwujudan dari amanat Undang-Undang Dasar (UUD) 1945 Pasal 33 ayat 3 pada hakekatnya merupakan upaya pengembangan sumberdaya alam, mineral dan energi yang potensial untuk dimanfaatkan secara hemat dan optimal bagi kepentingan dan kemakmuran rakyat. Proyek Eksplora…
The rrost fundamental revision of concepts in metallogeny over the last 30 years has been the re - interpretation of pyritic and polyrretallic• sulphide ore deposits as deposits of the syngenetic volcano - sedimentary type. One is disturbed by the proximity •sj.de by side in the same for:ma.ti• on but at different stratigraphic levels, o…
L'Indonesie est placee dans une situation extraordinairement favorable du point de vue des ressot:rces geothermiques. La plupart des 10.000 iles sont d ' origine volcanique, et. 154 volcans sont act ifs, d
Daerah penyelidikan terletak di daerah Wai Pesi, termasuk ke dalam wilayah Kecamatan Pembantu Cibal dan Reo, Kabupaten Manggarai, Nusa Tenggara Timur. Secara geografis daerah penyelidikan terletak pada posisi 08°15'30.4"- 08027'36.8" Lintang Selatan dan 120°26'56.7" - 120°35'24.6" Bujur Timur. Luas daerah penyelidikan ini mencapai 16 km x …
In the first place, most chemists work with materials whose chemical formulae are fairly simple, and in which the ratio of the numbers of atoms of one kind to the numbers of atoms of another are small integers, or fractions of small integers. Among such compounds are NaCl, Al203 and Si02• By contrast, the geochemist often stud…
Orientation studies indicate that stream-sediment geochemistry is a potentially useful exploration tec~ique in the Kepala Burung region of Irian Jaya, Indonesia. Previously located uranium anomalies and small zones of known base-metal sulphide. mineralisation, are reflected in anomalous concen• trations of these elements in•the stream sedim…