The main objective of this present survey was to outline mineralised areas and determine the nature and significance of mineralisation found during the NSP work. Systematic sampling involving the collection of geochemical samples was carried during the field work.The oldest rocks in the Sijorang area are hornfelsic metasedimens,limestones,metavolcan…
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27 Halaman, tidak berwarna, lampiran peta,cover bi
Geuteut is small village 55 km south of Banda Aceh on The West coast of Northern Sumatra At this locality the Miocene Geunteut Granodiorite intrudes Mesozoice rock of the woyla group. These form a westerly dipping series of metasediments and limestones that become increasingly calcareous upword
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125 Halaman, tidak berwarna, lampiran peta,cover b
The survey area lies 90 Km northwest of Tapaktuan on the west coast of Sumatra in Aceh Province. A regional geological and mineralisation. The Susoh instrusion (late cretaceous to palaeocene in age)intrudes volcanics and limestones presenting the possibility of skarn-type mineralisation. Also the drainage basin survey had indicated copper anomalies …
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33 Halaman, tidak bergambar, tidak berwarna, lampi
Three low priority areas were investigated in the Takengon quadrangle because of their proximity to a more important area being studied. These areas-Panomon, Kebyaran and keuretu -were suggested as follow-up targets on the basis of geochemical anomalies found during the regional geochemical survey of the north Sumatra Project (NSP).
Laporan ini merupakan hasil penyelidikan geokimia regional pada proyek eksplorasi bahan galian logam untuk Tahun Anggaran 1990-1991 pelita V republik Indonesia. Laporan ini masih bersifat pandahuluan karena hasil analisis dari contoh geokimia masih dalam tarap pemprosesan di Laboratorium kimia mineral.
Di daerah penyelidikan geokimia tinjau lembar peta Bengkulu A telah dikumpulkan sebanyak 312 buah contoh sedimen atau kurang lebih mempunyai kerapatan 1 conto per 15 km2, 99 conto konsentrat dulang, 70 conto batuan dan 28 conto duplikat conto sedimen sungai aktif
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32 Halaman, tidak berwarna, cover biru, lampiran p
Sejalan dengan tugas pokok dari pada Direktorat Sumberdaya Mineral, penyelidik Geokimia Regional ini dilaksanakan dalam rangka eksplorasi dan inventarisasi sumberdaya mineral di daerah Sumatera selatan. penyelidikan ini merupakan realisasi rencana kerja dari saksi Geokimia Regional, bagian dari Proyek Eksplorasi Bahan Galian Logam Tahun Anggaran 198…
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10 halaman, tidak berwarna, tidak bergambar, cover