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All Journal JISTECH: Journal of Information Science and Technology POROS TEKNIK
Jance M Supit
Universitas Papua
Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

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PENGAMATAN UNSUR GEOKIMIA BATUAN ULTRAMAFIK DI DAERAH PERTAMBANGAN PT. BINTANG DELAPAN MINERAL Supit, Jance Murdjani; Asy’ari, Muhammad Amril
POROS TEKNIK Vol 5, No 1 (2013)
Publisher : Politeknik Negeri Banjarmasin

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The research is dealing with weathering and geochemistry behavior of ultramafic rock element. This study consists of field work and laboratory analysis The aim of research is to understand the grade of weathering, and geochemistry behavior of element during weathering in Bahodopi, Morowali Regency, Central sulawesi. Red limonite, yellow limo-nite, and saprolite are the weathering product of ultramafic rock (peridotite). Weathering index calculation indicates the weatering grade increasing with the depth decreasing (from 12 metres to 0 metre or from bedrock to red limonite). The mass balance calculati-on indicates the addition of Ni grade increases up to 315% (10.054 kg/m3), Fe = 286% (180.765 kg/m3), Co = 243% (986kg/m3), Al = 340% (8,923 kg/m3), Cr = 144% (1,303 kg/m3), whereas Mg grade decrease up to 99% (158kg/m3), Si also has 99% (188 kg/m3).
PENGAMATAN UNSUR GEOKIMIA BATUAN ULTRAMAFIK DI DAERAH PERTAMBANGAN PT. BINTANG DELAPAN MINERAL Supit, Jance Murdjani
POROS TEKNIK Vol. 5 No. 1 (2013)
Publisher : P3M Politeknik Negeri Banjarmasin

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Abstract

The research is dealing with weathering and geochemistry behavior of ultramafic rock element. This study consists of field work and laboratory analysis The aim of research is to understand the grade of weathering, and geochemistry behavior of element during weathering in Bahodopi, Morowali Regency, Central sulawesi. Red limonite, yellow limo-nite, and saprolite are the weathering product of ultramafic rock (peridotite). Weathering index calculation indicates the weatering grade increasing with the depth decreasing (from 12 metres to 0 metre or from bedrock to red limonite). The mass balance calculati-on indicates the addition of Ni grade increases up to 315% (10.054 kg/m3), Fe = 286% (180.765 kg/m3), Co = 243% (986kg/m3), Al = 340% (8,923 kg/m3), Cr = 144% (1,303 kg/m3), whereas Mg grade decrease up to 99% (158kg/m3), Si also has 99% (188 kg/m3).
APLIKASI METODE GEOLISTRIK UNTUK MENENTUKAN AKUIFER AIR TANAH DI KAMPUNG HORNA BARU DAN KAMPUNG MUTURI DISTRIK MANIMERI KABUPATEN TELUK BINTUNI PROVINSI PAPUA BARAT: APPLICATION OF THE GEOELECTRIC METHOD TO DETERMINE THE GROUNDWATER AQUIFER IN HORNA BARU VILLAGE AND MUTURI VILLAGE, MANIMERI DISTRICT BINTUNI BAY DISTRICT WEST PAPUA PROVINCE Laitupa, Karmila; Pangkung, Yulius G.; Supit, Jance M.
JISTECH: Journal of Information Science and Technology Vol 6 No 1 (2014): Februari 2014
Publisher : Universitas Papua

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Geolistrik is one of the geophysical method used in shallow exploration. In working principle of the method geolistrik is studying the flow of electricity in the Earth, and how to detect it at the Earth's surface. This research aims to determine the water bearer layer, layout and depth as well as the type of aquifer groundwater Kampung Horna Baru and Kampung Muturi District Manimeri District of West Papua Province Bintuni Straits Bay with the method of resistivity (Resistivity). Resistivity method based on Ohm's law, aims to find out the type of coating the rocks based on the distribution of the resistivity value on each layer. Data measurement results in the field of potential noun and current can be used to calculate the price of a pseudo resistivity. After pseudo resistivity value obtained then incorporated into the software, and data res2dinv spaced electrodes and data datum points for knowing the value of resistivity, the RMSE and depth of each layer with a 2D model are vetically through a process of inverse. Geolistrik research results indicate that the aquifer groundwater Kampung Horna Baru and Kampung Muturi District Manimeri district of Bay of Bintuni Straits, has a varied range of resistivity of 0.183 meters% uFFFD Ohm. 3714 Ohm. ft. On tracks 2, 3, 5 and 6 in Kampung Horna Baru at a depth of 4.3% uFFFD 27.1 m. Whereas in Kampung Muturi on tracks 8 and 9 with a depth of 13.1-27.1 m.
Co-Authors Laitupa, Karmila Muhammad Amril Asy’ari, Muhammad Amril Pangkung, Yulius G.