The nineteenth Proopecting for Mineral Pesource sesslon of 1 the Committee for 8Iordination of Joint in sian offahote Areas (CCOP) nd en el 2 NOvember to 10 December 100 iahth sesion of the Jaint COP-1OC working Croup on Post-IDOE Studies in East Asian Tectonics and sour ces, and the Eighth Project met nd 4 December, tespectively. of the Northuest Q…
Radioactive detrital heavy minerals are found in the beaches and coastal thelves of te Capoas-Erawan area, San Vicente, Palawan. Allanite, sphene, zircon and monuzite ae the min suspected to contain uranium, thorium and rare earths (e-g Ce, Y) Other heavy minerals, tope rutile, anatase, castiterite, muscovite, hornblende, orthoclase and plagioclase …
PENELITIAN POTENSI BAHAN GALAN UNTUK PERTAMBANGAN 5 SEKALA KECIL DAERAH KOTABUNAN KABUPATEN BOLAANG MONGONDOW TIMUR PROVINSI SULAWESI UTARA Ridwan Kelompok Program Penete Art, Rohmana nservasi, Pusat Sumber Daya Geologi SARI Daerah peneltian secara administratif termasuk ke dalam Kecamatan Kotabunan, Kabupaten Bolaang Mongondow Timur, Provinsi Sulaw…
Shortly after the promulgation of the Foreign Capital• Investment Law in 1967, the Government pursued an unconventional policy to speed up mineral exploration. International tenders were issued to develop certain areas. with tin and nickel potential, and shortly thereafter 53 blocks…
Geo/ogi daerah Cikencreng, Kecamatan Cimerak dan sekitamya, Kabupaten Ciamis, Jawa Barat, dicirikan oleh penyebaran batuan gunungapi dan sedimen yang diendapkan pada umur 0/igosen hingga Miosen Akhir. Secara stratigrati daerah ini disusun oleh batuan tidak resmi, dari yang berumur tua ke muda : breksi gunungapi, tuta dasitik, batugamping dan batu…
Dari hasH penyelidikan sebellDll perang dunia.ke• II sampai saat ini kita: mengetahui adanya endapan mineral yang terdapat'hampir diseluruh kepulauan Indonesia. Seperti.disepanjang.bukit Barisart SlDllatra.
Kitamenemui indikasi yang menunjukan adanya endapan mineral seperti emas , tembaga, timbal ~ timah putih clan Iain-La ia, …
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…
Metallogenetic concept on mineral deposits of Indonesia as proposed by WESTERVELD is reviewed.
Depsite its general validity and practical applicability, certain geological phenomena and mineral occurrences seem to contradict the concept and therefore revisions are suggested A Metallic mineral distribution map with a scale 1:5000.000 accompanies thi…
Dua jenis bijih dan tiga jenis ubahan diidentifikasi dalam Proyek Lascogon di Philex Gold Philippines, di Filipina Surigao del Norte, Pulau Mindanao, Filipina. Bijih jasperoid adalah pembawa bagi mineralisasi emas seperti Carlin dalam prospek Lascogon dan Danao. Bijih terjadi dalam decalcified dan horizon silisifikasi, dengan sedikit kristal klorit …
Recent developments in the Australian industrial minerals sector are discussed. Mineral exports are a large component of Australia's foreign trade, these comprising (in decreasing value) coal, alumina, gold, iron, ore, diamond and mineral sands. Major imports are potassium fertilizer, sulphur and phosphate rock.