Exploration on coal deposit have been done within the bukit asam mining concession (P.N. tambang batu bara bukit asam) in Tanjung enim, south-sumatera. the areas of areas of klawas-antticline, A. Endikat and A. muara tiga- A. penjabungan - A. Suban Complex Have Been troughly investigated.
By decree of the Director of public Works of February 18, 1918 No. 645/Dir. The present Writer Was instructed to carry out the Borneo, that after his arrival at Kota Baroe, started in April 1918 At the end of June 1919 the activities were suspended for the time being.
the ombilin coal depostits in the padang highlands (minang kabau) situated near sawahlunto and connected by a 160 km rackrail with padang on the west coast of central sumatra were doscovered in 1868 by de greve and later mapped out by verbeek in 1875
Coal has never been mined in Celebes. The only known deposits of some importance are situated in SW Celebes, NE of Mecassar. These coal-containing districts have been explored by the Government in 1913 and 1914.
Daerah inventarisasi endapan gambut berada di bagian barat laut kota Merauke yang berjarak sekitar 11-20 km dari Merauke. Secara administratif Wilayah tersebut termasuk kedalam Kabupaten Merauke, Provinsi papua. Secara geografis daerah penyelidikan terletak pada koordinat 140derajat15'BT-140derajat30'BT dan antara 8derajat15' LS-8derajat30' LS.
Bitumen padat didefinisikan sebagai suatu batuan sedimen klasik halus seperti serpih, lanau, batulempung ataupun batupasir yang kaya akan material organik dan mempunyai prospek untuk menghasilkan sejumlah minyak dan gas melalui proses geologi tertentu. Setelah mengalami pemanasan pada suhu tertentu material organik tersebut mengalami dekomposisi dan…