The tectonic framework of Indonesia is complicated by interaction of the Eurasian continental, the Indian oceanic and the Australian continental as well as the Pacific• Philippine oceanic plates. During Late Palaeozoic-Early Cainozoic time, the region of western Indonesia (Kalimantan, …
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…
Dengan surat perintah perjalanan dinas no.2806, no.2808 dan no.312/S-E/1972, penulis di bebani tugas untuk melakukan peninjauan kerja selama 2(dua) hari lapangan di daerah penambangan mangan desa cigunung, kabupaten tasikmalaya.
tedapat daerah endapan mangan didaerah tasikmalaya selatan sudah semenjak lama diketahui dan dilaporkan oleh penulis2 terdahulu .kesemuanya terdapat empat daerah endapan mangan yakni cigunung , meruyung-pasirbentang ,bantarkalong ,dan panglaksaan daerah2 tersebut telah diusahakan sebagai daerah2 tambang mangan yang hingga kini masih giat berproduksi…
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Deskripsi Fisik
32 halaman , tak berwarna ,8 lampiran ,ada 4 peta.