This report focuses much on regional geochemistry as a system for mapping of the secondary environment. The reasons for this are that geochemistry has during the past decade found applications far beyond the traditional ones in the search for mineral commodities. The fields that applied-- geochemistry currently finds applications to are primarily:
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Pada tahun 1983, Pusat Pengembangan Teknologi Mineral c.q. Proyek Pe• ngembangan Pusat lnformasi Mineral telah mengadakan survel data penye• diaan kaolin di seluruh Indonesia untuk yang kedua kalinya. Survei yang pertama dilakukan pada tahun ]982.
Survei yang dilaksanakan pada tahun 1983 ini l~bth dititlk-beratkan ke• pa…
Nonnally oil or gas occupy only a small fraction of the total pore -1. volume in the subsut!l:-ece; the rest of the spJlce contains water_.Sometimes the water associated with the oil is fresh, but usually it is salty. In general, the deeper and older a rock is, the saltier the water it contains. Thr origin of oil-field brines is not well understoo…
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…