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1984 Index of Northern Sumatra Geological and Geochemical Maps, and Nothern S…
This section is list of currently available published geological and geochemical maps for Sumatera North of the equator. further information abput these maps is given in the geosurvey newsletter (berita geologi, Direktorat Jenderal Pertambangan Umum)
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- Deskripsi Fisik
- 39 Halaman, tidak berwarna, cover merah
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- PMB LA 1984 -1
Mineral Exploration of The baso Granodiorite and Adjacent Areas, Aceh Barat, …
The area consists mainly of a sequence of clastic metasediments,limestones and metavolcanics known as the Geumpang Formation, Which forms part of the Woyla Group of late Jurassic to Early Cretaceous age.To the South-east this succession is cut by the Anu-Batee Fault, a major splay of the North Sumatra Fault System that strikes NW-SE down the axial l…
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- Deskripsi Fisik
- 17 Halaman,lampiran peta, tidak berwarna, cover bi
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- PMB LA 1986 -5
Mineral Exploration of The Dusun Intrusive Complex Aceh Tengah, Northern Suma…
The kr. Dusun area of Aceh Tengah has been the subject of several previous mineral investigations that have indicated the presence of mineralisation, possibly in the form of a molybdenum prophyry copper with associated lead-zinc mineralisation. This investigation has shown the Dusunintrusive complex is more extensively hydrothermally altered and tha…
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- Deskripsi Fisik
- 41 Halaman,gambar tidak berwarna,lampiran peta,cov
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- No. Panggil
- PMB LA 1986 -2
Mineral Exploration of The Baso Grandiorite And Adjacent Areas, Aceh Barat, N…
The Baso Granodiorite instrusion, which lies just north of the Sumatra fault zone in a remote part of Aceh Barat, has been the subject of a two-fold mineral exploration investigation. The instrusion and its environs were investigated as a potential source of gold and secondly there were a number of regional geochemical survey anomalies, particularly…
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- Deskripsi Fisik
- 33 Halaman, tidak bergambar, tidak berwarna, lampi
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- PMB LA 1986 -1
North Sumatra Geochemical and Mineral Exploration Project NSGMEP, Mineral Exp…
The Hutabargot survey area is a few kilometers west of kecamatan panyabungan on the western side of the batang gadis river. The region was investigated in 1978 as part of the NSP and during this time occurrences of Cu,Pb,Zn,Au and Ag were recoreded in the Tertiary volcanics. This present survey was to investigate geochemical anomalies found during t…
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- Deskripsi Fisik
- 26 Halaman, Lampiran peta, cover biru muda
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- No. Panggil
- PMB LA 1986 -3
North Sumatra Geochemical And Mineral Exploration Project NSGMEP, Mineral Exp…
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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- Deskripsi Fisik
- 27 Halaman, tidak berwarna, lampiran peta,cover bi
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- No. Panggil
- PMB LA 1986 -4
Geochemical and Geophysical Investigations of Copper, Molybdenum and Gold Dra…
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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- Deskripsi Fisik
- 125 Halaman, tidak berwarna, lampiran peta,cover b
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- No. Panggil
- PMB LA 1987 -8
Mineral Exploration of The Sigalala Area, Sumatra Utara, Northern Sumatra
A geochemical survey and mineral exploration of the Sigalala area has identified a middle Tertiary intrusive complex of altrered/weathered granodiorite with characteristics suggestive of Cu-Mo Porphyry style mineralisation
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- Deskripsi Fisik
- 27 Halaman, tidak berwarna, lampiran peta,cover bi
- Judul Seri
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- No. Panggil
- PMB LA 1987 -6
Further Mineral Investigations At The Dusun Intrusive Complex, Aceh Province,…
The Kr. Dusun basin area has been subjected to several previous investigations that have indicated the presence of porphyry-style mineralisation plus the occurrence of some lead-zinc drainage basin anomalies. In this investigation an area a altered granodiorite was surveyed by detailed drainage basin and rock sampling.
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- Deskripsi Fisik
- 58 halaman, tidak berwarna, lampiran peta, cover b
- Judul Seri
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- No. Panggil
- PMB LA 1987 -5
Mineral Exploration of The Dusun Intrusive Complex Aceh Tengah, northern Suma…
The Dusun Intrusive complex, which lies about 40 km southeast of lake tawar in a remote part of Aceh Tengah, has been the subject of a mineral investigation programme. Previous investigations in this area have revealed the presence of chalcopyrte, galena,sphalerite and molybdenite, with indicatations of both porphyry-style and vein mineralisation.
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- Deskripsi Fisik
- 16 Halaman, lampiran peta, tidak berwarna,cover bi
- Judul Seri
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- No. Panggil
- PMB LA 1985 -2
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