penyelidikan pendahuluan mineral; logam dasar di p.obi bagian selatandi lakukan oleh proyek inventarisasi mineral logam di tahun anggaran 1984-1985 dalam rangka mencari sebaran mineral logam
di daerah penyelidikan mineralisasi erat kaitannya antara intrusi granit granoiorit dengan batuan yang diintrusinya yaitu kelompok batusabak formasi latimojang dan kelompok batuan meta-volkanik tufa rampi
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47 halaman,gambar berwarna,ada 7 lampiran,ada 11 p
Kegiatan prospeksi dibagi dalam 2 blok,blok utara dan blok selatan yang meliputi 3(tiga) wilyah kecamatan : kecamata damsol,kecamatan sojol,dan kecamatan sojl utara
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ada 59 halaman, 3 lampiran, 6 peta, gambar tidak b
Oil is by far the most important of minerals mined in borneo. Next are coal and gold , diamonds, whereas other mineral not or insignificantly have been mined. The southern and Eastern departement, especially the eastern and southeastren parts are of the utmost importance for the mining industry. Gold, homever, occurs only in the westren departement …
The different age of various granite occurrences in sumba timor,flores,alor and wetar clearly represants the differences in geologi and structure of the islands.VAN BEMMELEN has assigned the age of latr-mesozoic to those of sumba ,middle-tertiary to those of flores and late-tertiary to those of alor and wetar .the granites of timor have been grouped…