The 14 or so years that have elapsed since the writing of applied geophysics have seen many changes as results of better instrumentation, the expensive application of compputer techniques, and more complete understanding of the factors that influence mineral accumulations
The expanding world fertilizer demand for phosphate rocks as .a primary source of phosphate fertilizers and the conti nuous utilization of the high-grade ores have stimulated efforts to beneficiate low-grade ores to minimize the impurities in phosphate concentrates for chemical processing. The basic neficiation technology of phosphate rock processin…
Fluid inclusions in quartz phenocrysts of quartz porphyry, quartz veinlets cutting quartz porphyry, and quartz and sphalerite in ores, were studied by the heating-stage and freezing-stage methods. Polyphase fluid. inclusions carrying transparent cubic crys• tals were especially found …
The phosphate resources of Indalesia oonsist of nurrerous cave deposits of phosphatic guano and phosphatized lim=stone. depositso-J11tainup to 40% P2o5, but all of them are nto found in sufficient qu• ar-1tities to permi.t, than small-scale exploitation. There are…
Commiment of the soviet organizations to help Indonesia in prospecting for phospate and sulphur in order to provide a superphosphate plant of 100.000 tons annual, dated january 3, 1959, relating to the general agreement on economic and technical cooperation between the USSR and the Republic Indonesia, dated September 15, 1956. The intention to estab…
The machines are equipped to run at U.K. mains voltage and frequency, ie 240v 50Hz, and consume 146VA power at full load. Computers are sensitive to voltage fluctuations, and '.even more so to sudden voltage failures. It is usually prudent to install some form of protection device between the mains and the computer. Mains-born interference can take …
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…
The book summarizes the occurrence, geochemistry, mineralogy, petrology and phaseequilibria studies in air and under high pressures related to the most intriguing group of potassium-rich mafic and ultramafic rocks, often including host of exoyic mineral assemblages including feldspathoids.
Current study on oil-shale bearing formation in the art ation The formation is wel aspects of stratigraphy and sediment which are parts of the major Central Sumatera Basin phasized on a a bent of Pre-Tertiary rocks rocks can be divided into massive mudstone lut unia apncars to be an oil-shale bearing section The In the Kiliranjao Sub-basin, the Pa C…
Geological information to making decisions is very important for user of land,, water and resources. It was also needed by people of historical time, intentionally or not Geological information in S-16 century to plan of the south plain of Merapi Volcano, Yogyakarta is geomorphology, resources, and hazards Those conditions were influenced by the vol…
Edisi
2nd vol
ISBN/ISSN
-
Deskripsi Fisik
1032 p.: ill. ; 20.5cm
Judul Seri
Environmental Geology Regional Geology Mineral Geology