Laporan peninjauan endapan emas dan mineral pengikutnya daerah Muara Soma Dsk, Kabupaten Mandailing Natal Provinsi Sumatera Utara :

20 1 20 Laporan peninjauan endapan emas dan mineral pengikutnya daerah Muara Soma Dsk, Kabupaten Mandailing Natal Provinsi Sumatera Utara : SPK No. 07.1-06.2017 SP 2477/4.22/PAT/2017 Unit Geomin Primary Author Aneka Tambang Primary Author mixed material Jakarta PT. Aneka Tambang 2018 2019090500.jpg.jpg Kajian potensi daerah Sorikmas Kabupaten Mandailing Natal dan Tapanuli Selatan Sumatera Utara: COW No. C2-844.HT.01.01.TH.98: Executive Summary Unit Geomin Primary Author mixed material Jakarta Antam – Unit Geomin 2008 2018100948.jpg.jpg Prospect 9759 Simpang Datar sampling report Muara Sipongi, Natal Contract of work: CSR Limited Minerals exploration and development group Sagala, B. D Additional Author mixed material Bukittinggi CSR Limited 1985 2018100690.jpg.jpg Proposed work programme and budget for the year ending 31st March, 1989: PT. Antam Barisan Mining PT. Antam Barisan Mining Additional Author Sagala, B.D. Additional Author Soemantri, H. Additional Author mixed material Bukit Tinggi PT. Antam Barisan Mining 1989 2018101029.jpg.jpg The Republic of Indonesia Report on the Cooperative Mineral Exploration of Northern Sumatera Phase 1 Japan International Cooperation Agency Metal Mining Agency of Japan Additional Author mixed material Jakarta Japan International Cooperation Agency Metal Mining Agency of Japan 1983 2018100827.jpg.jpg Assessment daerah Sorikmas kabupaten Mandailing Natal dan Tapanuli Selatan Sumatera Utara : COW No. C2-844. HT.01.01.TH.98 Aneka Tambang Primary Author Exploration Planning Primary Author mixed material Jakarta PT. Aneka Tambang 2008 Laporan rencana kerja dan anggaran biaya kegiatan eksplorasi periode 7 oktober 2010 s/ PT. Sorikmas Mining Primary Author mixed material Jakarta PT. Sorikas Mining 2011 Laporan kuasa pertambangan umum DU 1110 / Dominion Gold Mines (Indonesia) Limited Primary Author mixed material Jakarta Antam 1990 Blok prospek pada eks wilayah kontrak karya Antam Barisan Mining, Sumbar-Sumut (KP. DU-219, 220, 223, 224, 235, 236, 237, 238, 239/ Antam Primary Author mixed material Antam 1993 Regional sampling of the Batang Hari Sungai Sangir area and investigation of Tambang Talakik: CSR Limited Minerals exploration and development group Williams, R.E. Additional Author mixed material Bukittinggi CSR Limited 1986 Regional evaluation of the Batang Hari - Talantan Area, Solok JV, West Sumatera, Indonesia: Prospect 9756 Mattinson, P.G. Additional Author mixed material Bukittinggi CSR Limited 1986 Reconnaissance sampling of the middle and upper reaches of the B. Batahan drainage Natal., J.V. Sumatera Indonesia: CSR Limited Minerals exploration and development group Sagala, B. D Additional Author mixed material Bukittinggi CSR Limited 1986 Laporan peninjauan singkat endapan emas aluvial daerah prospek Natal - Batahan Kabupaten Tapanuli Selatan Propinsi Sumatera Utara Unit Geologi Primary Author mixed material Jakarta Antam – Unit Geologi 1993 Laporan Kunjungan Singkat Daerah COW PT. Sorik Mas Mining Kabupaten Mandailing - Natal Provinsi Sumatera Utara: Nota Dinas No. 346/K/2011/2005 Unit Geomin Primary Author Unit Geomin Additional Author mixed material Jakarta Antam – Unit Geomin 2005 Laporan SKIP daerah Pagar Gunung - Tabur Mangampo Kec. Kotanopan dan Kec. Muara Sipongi Kabupaten Tapanuli Selatan Prop. Dati I Sumatera Utara: SKIP No. 49.K/20/DDTP/1992 Antam Primary Author mixed material Jakarta Antam 1992 Usulan rencana kerja dan anggaran biaya eksplorasi pendahuluan endapan emas DMP daerah Natal DSK., Kab. Tapanuli Selatan, Propinsi Sumatera Utara Antam Primary Author mixed material Jakarta Antam 1993 Prospect 9759 Status of exploration in the Muara Sipongi - Simpang Datar area Natal JV, Sumatera, Indonesia: CSR Limited Minerals exploration and development group Ellis, P. D. Additional Author mixed material Bukittinggi CSR Limited 1986 Prospect 9759 Report on drainage geochemistry and geological follow-up investigation at Rao, Hutabargot Julu and Muara Soma areas, Natal, Sumatera, Indonesia: CSR Limited Minerals exploration and development group Maatam, Ausrizal Additional Author Kavalieris, I. Additional Author mixed material Bukittinggi CSR Limited 1985 Pungkut Project North Sumateran Contract of Work Area: Information Memorandum (Project Summary Report) October 2001 Jones, R. E. Additional Author mixed material Jakarta PT Sorikmas Mining 2001 Pungkut Project Daerah Patahajang Sumatera Utara: KP DU 334 / Sumut Aberfoyle Indonesia Primary Author mixed material Jakarta Aberfoyle Indonesia 1996