Coal, a relatively low-cost fuel that produces significant amounts of pollutants, supplies 18,7% of the Korean economy's energy needs. The total amount of coal consumend in 1995 was 43,6 Million tons, only 5,5 million tons are domestic anthracite;the rest is imported bituminous coal. The three major industrial sectors that utilize imported coal are …
Scripta manent, verba volant - said a Greek philosopher which means that what is written stays and what has been' said will evaporate. All of the presentations on Indonesian Mining will be forgotten unless they are documented and can be used for future reference. In 1997, the Indonesian Mining Association (IMA) in cooperation with P.T. Pamerindo Bua…
Shortly after the promulgation of the Foreign Capital• Investment Law in 1967, the Government pursued an unconventional policy to speed up mineral exploration. International tenders were issued to develop certain areas. with tin and nickel potential, and shortly thereafter 53 blocks…
Dari hasH penyelidikan sebellDll perang dunia.ke• II sampai saat ini kita: mengetahui adanya endapan mineral yang terdapat'hampir diseluruh kepulauan Indonesia. Seperti.disepanjang.bukit Barisart SlDllatra.
Kitamenemui indikasi yang menunjukan adanya endapan mineral seperti emas , tembaga, timbal ~ timah putih clan Iain-La ia, …
In the past, conventional reflection seismic techniques were not very successful when applied to typical mining exploration:They lacked resolution in the shallow range or were not cost effective. By combining a light earth tamper source, special geophones and field procedures, a stacking process of the returning seismic events using a microprocessor…
The relationship between tin ore deposits and granite magmatism '.Ihe tin belt of S.E. Asia, which is about 3500 km long end 400 to 800 km wide (Figure 1)1 is probably one of the best examples of a metallogenic ,E;:OVince. '.Ihe world's annutl tin produ…
Metallogenetic concept on mineral deposits of Indonesia as proposed by WESTERVELD is reviewed.
Depsite its general validity and practical applicability, certain geological phenomena and mineral occurrences seem to contradict the concept and therefore revisions are suggested A Metallic mineral distribution map with a scale 1:5000.000 accompanies thi…
•The petroleum geochemist seeks to determine if rocks contain organic quantity and o~ the appropriate type to source those rocks have been heated sufficiently to allow the He will also try to ~stkblish if hydrocarbons have been generated before, and faulting, and if the rate of heating has varied with time associated wiith tectonic causes. Jf …
SUatu problema diajukan pada geologis dan pada geokemis : narrer clan pengenalan zat-zat organik yang dijumpai di dalam batu-batu. Jika dianggap zat itu suatu cairan rninyak yan'} berada di dalam suatu botol, tidak ada suatu dehesitation, tapi kesulitan tirrbul untuk metlleri suatu narna (jenis) pada catatan kecil dari zat noiratre…
Berdasarkan pembagian geologi regional Pulau Sulawesi, daerah panas bumi Lejja termasuk kedalam Mandala Sulawesi Barat atau Busur Sulawesi Barat yang berupa volcanic arc. Mandala Barat ini terdiri atas Lengan Selatan Sulawesi, Bagian Tengah, Leher Sulawesi, dan Lengan Utara Sulawesi. Di Lengan Selatan Sulawesi, batuan alas (basement) tersu…