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- W2685387544 abstract "ABSTRAKWilayah Batubesi di Belitung Timur berada di zona bagian timur dari granit jalur timah Asia Tenggara sehingga diduga merupakan daerah yang sangat potensial bagi terbentuknya cebakan bijih seperti besi dan timah bersama dengan monasit dan mineral asesoris lainnya. Penelitian ini bertujuan untuk mengetahui tataan geologi dan mengidentifikasi keterdapatan cebakan bijih dan mineral ikutan radioaktif di daerah Batubesi. Metodologi dalam penelitian ini adalah pemetaan geologi, pengukuran kadar uranium dan thorium, analisis petrografi, mineragrafi, dan butir. Daerah penelitian tersusun atas satuan granit dan metabatupasir. Granit diidentifikasi sebagai granit biotit dan granit hornblenda. Struktur geologi yang berkembang adalah sesar sinistral berarah barat daya – timur laut dan sesar dekstral berarah tenggara – barat laut. Cebakan bijih yang terbentuk di merupakan cebakan bijih besi primer tipe skarn iron tin polymetallic dengan magnetit sebagai mineral utama dan monasit serta zirkon sebagai mineral ikutan radioaktif . Mineral ikutan lainya adalah hematit, ilmenit, kasiterit, dan rutil. ABSTRACTThe Batubesi area in Belitung Timur is located in the eastern part of the Southeast Asian granites tin belt zone, so that it expected as a potential area for the occurence of ore deposit such as iron and cassiterite associate with monazite and other accessories minerals. The study aimed to understand the geological setting and to determine the occurrence of primary ore deposit and its radioactive accessories minerals. The methodologies in this research are geological mapping, uranium and thorium grade measurement, petrography, mineragraphy and grain counting analysis. The area composed by granite and metasandstone units. Types of granites are biotite and hornblende granites. The geological structures founded in this area are SW-NE sinistral and NW-SE dextral faults. Ore deposit in the area is primary iron ore deposits of skarn iron tin polymetallic type where magnetite is the main mineral while monazite and zircon are radioactive accessories minerals. The other accessories minerals are hematite, ilmenite, cassiterite, and rutile." @default.
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- W2685387544 date "2017-06-21" @default.
- W2685387544 modified "2023-10-16" @default.
- W2685387544 title "Geologi dan Identifikasi Cebakan Bijih di Daerah Batubesi, Belitung Timur" @default.
- W2685387544 doi "https://doi.org/10.17146/eksplorium.2017.38.1.3376" @default.
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