Secara garis_ besar penyelidikan g eok.irada seperti pada umumnya penyelidikan ge~logi lainnya terbagi atas tiga langkah utama yaitu pekerjaan di lapangan, pekerjaan di laboratorium .. dan pekerjaan-pengola.han- data dan interpretasi. T:ujuan penyelidikan geokimia sendiri adalah mencari dan menentukan pola dispersi suatu atau beberapa unsur yang …
1. Proyek Bimbingan Eksplorasi Usaha Pertambangan Swasta Nasional (P.B.E.U.P.S.N.), dimulai sejak April 1980, tahtm anggaran 1980 - 198L
2. Sampai saat ini !. 18 bulan, telah diberikan bantuaneksplorasi dan penyelidikan unum kepada 15 pemegang KP eksplorasi dan SIPD (Surat Izin Pertarnbangan Daerah).
3. 1. Bantuan eksplorasi yang diberi…
Industr-i besi baja adalah penghasil bahan baku baik sebagai baja pr-imer- maupun baja skunder-, yang diklasifikasikan sebagai besibaja dasar-, pengecor-an besi baja, penggilingan besi baja. Guna memenuhi kebutuhan besi baja di dalam neger-i, maka secar-a ber-tahap telah dibangun beberapa jenis in8ustr-i besi baja yang …
As shortages in the supply of mineral cotmnodities become more probable, there is an•increasing need for reliable and comparable reserve/resource data. It is therefore necessary to standardize the traditional classification procedure by quantifying the three basic criteria in resource evaluation: economic feasibility, geologic assurance, re…
In recent years two new classifications of Cale Alkalie granitoids have evolved in the eastern hemisphere and are currently influencing exploration concepts, particularly in SE Asia. This note arises from considerations of their possible appliction to the further exploration of the pre-Quaternary part of Sumatra for which a Regional Geolog~cal an…
Potash is a generic term used to describe a number of compounds containing the element potassium (K), which is one of the three major plant nutrients. Potash content of these compounds is commonly expressed as percentage potassium oxide (K~O), and the market value of the products is usually dependent on cont…
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…
Tujuh puluh lima Prosen sistem kelistrikan di Propinsi Sumatra Selatan dan Lampung dipenuhi dari PL TU Bukit Asam. Sistem Pengangkutan Batubara, PLTU Bukit Asam juga disebut PLTU mulut tambang, karena letaknya berdarnpingan dengan PT Tambang Batubara Bukit Asam (Persero).
Batubara dari PTBA diangkut dengan ban berjalan r…