Coal mining and preparation merupakan satu dari ratusan group training course yang diselenggarakan oleh japan industri cooperation agency (JICA)dalam tahun 1997 (tahun fiskal pemerintah jepang) .bertindak sebagai counterpart pihak JICA adalah JATEC (japan technical cooperation Center for coal resources development ).penyelenggaraan training course t…
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…