The investigation area of kalibawang and its suroundings is administratively situated on the Kulon Progo and Purworejo regency of Yogyakarta Special Province and Central Java Province and located on coordinat of 7derajat 40'00,00"-7derajat 55'00.00" Lolitude and 110derajat5'00.00"-110derajat 20'00.00" Longitude with investigation area is 756,25 km2.…
Investigation on the solid bitumen/oil shale in the Ayah area is to study the solid bitumen-bearing formation defosits. The area is in the Ayah District, Kebumen regency, Central Java Provice. Geographically, the location in bounded by lattitudes 07derajat 30'00"-07derajat 45'00" South and longitudes 109derajat 15'00"-109derajat 30'00" East.
The Investigation area is situated in Sendangharjo Region, Blora Regency of Central Java Province. The area of Investigation approximately 756 km2 Sequer, in coordinates 6derajat 45;00" to 7derajat 00'00" South and 111derajat 30'00" East (Figur 1).
In the eastern part of the Archipelago coal occurrences of any economic value are scarce. Coal mining has never been carried out; a trial shipment from batjan in the middle of last century, proved to be a failure. Practically only SW-Celebes and the northern part of West-New Guinea, the so called "vogel-kop" contain coal-fields of some importance.…
Dengan instruksi dari Kepala Djawatan pertambangan ber-sama2 dengan ahli Djepang dari maskapai the Nissho Company, kami berangkat mengadakan penjelidikan atas endapan batubara di Tondong Kurah, sementara tingkat II pengkadjene/ kepulauan provinsi Sulawesi Selatan/Tenggara.
From 24 th november to 2 nd december 1972 reconnaissance geological mapping was carried out in the "Tebo Area", which is located between the bungo and siminar coal basins (see location map, fig.1). the objective of this survey was to find out if the coal which is present in the latter two areas continues along strike.
Penyelidikan geofisika cara gaya berat didaerah sebagian kecamatan-kecamatan Lawele, Pasarwajo, dan kecamatan Sampolawa Buton Selatan telah memperlihatkan adanya suatu anomali negatif dan positif juga adanya struktur patahan yang diperlihatkan profil-profil dua dimensi.
Anomalia positif tersebut disebabkan masa yang mempunyai density lebih besar dar…
sesuai dengan fugsi dan tugas subdit.eksplorasi dan gambut, direktorat sumberdaya mineral yaitu melaksanakan inventasi endapan batubara dabn gambut di seluruh indonesia.
Dalam rangka pelaksanaan rencana kerja. Proyek Pengembangan dan Energi Wilayah III di ujung pandang, Kantor wilayah Departemen pertambangan dan Energi Provinsi Sulawesi Selatan, untuk anggaran 1979/1980 telagh mengirim suatu Tim penyelidikan Batubara di daerah Tondongkura, Daerah tingkat II Pangkep, Provinsi Sulawesi Selatan.