early workn by geoglogists of the ducth east indian geological survey has shown that coal accurs all along the tertiary margins of the tigapuluh hountains. although none of the recorded coal accurrence seems to have great economic potential it was thought that this region deserved further, more detailed, investigation.
This paper examines the background that led a group of american oil companies and pertamina to proceed with installation of the world's first totally offshore facility in the offshore N.W.java production sharing contract area for the recovery of natural gas liquids(NGL)
further definitation of the geological parameters is necessary for the bukit asam mine area. extensive drilling programs should therefore be carried out in order to yield types of information.
Maksud dan tujuan penyelidikan umum geokimia di P. Selayar dan P. Tanahjampea adalah untuk mengetahui lebih lanjut tentang sumber daya mineral yang terkandung didalamannya sebagai bagian dari rencana kerja perusahaan dengan tujuan mencari daerah yang mempunyai potensi sumber daya mineral terutama emas dan logam dasar yang lainnya di Indonesia
During may and june of 1972 Dr. Magraw of the national coal board visited sumatera to assessthe potential of the island's coal resources and visit some occurrences, in consequenco of this study by Dr. Magraw, was drawn up and implemented by Mr. fleming in August for the same year.