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All Journal Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir
Sartapa Sartapa, Sartapa
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Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Energy Engineering Materials Science & Nanotechnology

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Geologi dan Mineralisasi Uranium di Sektor Sarana Kalan, Kalimantan Barat Berdasarkan Data Pemboran Sartapa, Sartapa; Sukadana, I Gde
EKSPLORIUM Vol. 32 No. 2 (2011): NOVEMBER 2011
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/eksplorium.2011.32.2.2816

Abstract

Favourable zone of uranium mineralization in Sarana Sector with NE-SW direction are contained in metapelite rock and some in muscovite quartzite. Mineralization of uranium is occurred fill in the fields of parallel fractures with schistosity by ENE-WSW direction, and moderate to strong inclination to the north. Three points drilling with the depth of 126.6, 174.50, and 150.90 meter has been conducted. This study is aimed to obtain the knowledge of geology, and geometry of sub-surface uranium mineralization. Geologically, research area are consists of metapelite, muscovite quartzite and biotite quartzite with millimetric - centimetric thicknesses. Uranium mineralization are in forms of veins or tabular as uraninite and pitchblende associated with pyrite, chalcopyrite, pyrrhotite, ilmenite and molydenite. Uranium Mineralization on the surface could be correlated with sub-surface from bore-hole data, with the result that zone of uranium mineralization in lenses or tabular form with sub-vertical dip may be identified.
Pelacakan Air Tanah di Desa Mbuit Kabupaten Manggarai Barat, Provinsi Nusa Tenggara Timur Suharji, Suharji; Nurdin, Muhammad; Karunianto, Adhika Junara; Sartapa, Sartapa; Sudarto, Slamet
EKSPLORIUM Vol. 34 No. 2 (2013): NOVEMBER 2013
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17146/eksplorium.2013.34.2.2808

Abstract

West Manggarai Regency is a new regency as a result of regional development of Manggarai-Raya Regency. Based on information from the local mining service authorities dealing with groundwater, Mbuit village undergo clean water shortages in the dry season. One alternative to overcome the water shortages is the use of groundwater. The investigation of groundwater is intended to determine the characteristics of the geology, hydrogeology and characteristics of the electrical properties of the subsurface rocks which required to determine the potential rock layers that containing groundwater (aquifers). To achieve these objectives carried out the topography measurement, collecting data of geological/hydrogeology, and electrical resistivity measurement. Based on result of observations, analysis of the surface geological survey and supported by subsurface resistivity data in the investigation area, the potential aquifer is found. The aquifers potential has been found in a fractured aquifer system, in the northern of investigation region and distributed relatively west-east. The best aquifer is found in the line C at the point C15–C17, line G at the point G17–G18 (Humpung village), line D at the point D14–D17, line E at the point E14–E19 (Tureng village) with a resistivity value of 5–43 Wm and the depth of 50–120 meters.
Co-Authors Adhika Junara Karunianto I Gde Sukadana Muhammad Nurdin Slamet Sudarto, Slamet Suharji Suharji