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Falah, Muh. Darwis
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GEOELECTRIC METHOD IMPLEMENTATION IN MEASURING AREA GROUNDWATER POTENTIAL: A CASE STUDY IN BARRU REGENCY Falah, Muh. Darwis
International Journal of Environment, Engineering and Education Vol 2 No 1 (2020)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (678.882 KB) | DOI: 10.5281/zenodo.3752355

Abstract

Geoelectric measurements to detect the presence of groundwater aquifers in the study area by knowing the type of lithology, distribution, thickness, and depth of rock layers carrying groundwater (aquifer), both vertically and laterally. The research objective is to determine the location for drilling, if later in the study area, the groundwater potential maximally utilized. In this study, the linear symmetry electrode arrangement, the Schlumberger configuration method, is used. Data collection in the field done by using a resistivity meter. The number of geoelectric points is 12 measurement points, but in the article, four geoelectric points will be discussed that can represent all the geoelectric points that contain high aquifers. The results obtained from the geoelectric measurements carried out show a shallow groundwater layer at a depth of 5.0 - 15.0 meters with an aquifer layer in the form of sandy clay (lateral weathering). Freshwater in freshwater at a depth of 25 - 150 meters following the geoelectric point of estimation with layers of sandstone aquifer and tuffaceous clay. Shallow groundwater is fresh with small productivity can be anointed with dug wells at a depth of 5 - 15 meters potential at all geoelectric points with a discharge of 1 liter/second. Then deep groundwater is of average productivity with a well drilled at a depth of 25 ? 150 meters, potentially at a specific geoelectric point with a discharge of 1 ? 5 liters/second.
Geoelectric Method Implementation in Measuring Area Groundwater Potential: A Case Study in Barru Regency Falah, Muh. Darwis
International Journal of Environment, Engineering & Education Vol 2 No 1 (2020)
Publisher : Three E Science Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.3752355

Abstract

Geoelectric measurements to detect the presence of groundwater aquifers in the study area by knowing the type of lithology, distribution, thickness, and depth of rock layers carrying groundwater (aquifer), both vertically and laterally. The research objective is to determine the location for drilling, if later in the study area, the groundwater potential maximally utilized. In this study, the linear symmetry electrode arrangement, the Schlumberger configuration method, is used. Data collection in the field done by using a resistivity meter. The number of geoelectric points is 12 measurement points, but in the article, four geoelectric points will be discussed that can represent all the geoelectric points that contain high aquifers. The results obtained from the geoelectric measurements carried out show a shallow groundwater layer at a depth of 5.0 - 15.0 meters with an aquifer layer in the form of sandy clay (lateral weathering). Freshwater in freshwater at a depth of 25 - 150 meters following the geoelectric point of estimation with layers of sandstone aquifer and tuffaceous clay. Shallow groundwater is fresh with small productivity can be anointed with dug wells at a depth of 5 - 15 meters potential at all geoelectric points with a discharge of 1 liter/second. Then deep groundwater is of average productivity with a well drilled at a depth of 25 – 150 meters, potentially at a specific geoelectric point with a discharge of 1 – 5 liters/second.
Sumber Daya Mineral Pasir Kuarsa Sebagai Alternative Pengembangan Usaha Pertambangan Di Daerah Kading Kabupaten Barru Falah, Muh. Darwis; Muzaki, Muzaki
UNM Environmental Journals Vol 3, No 2 (2020): April
Publisher : Pascasarjana Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/uej.v3i2.15034

Abstract

Tujuan penelitian ini untuk merancang kewirausahaan suatu usaha pertambangan sumber daya mineral pasir kuarsa yang berwawasan lingkungan. Lokasi penelitian di daerah Kading Kecamatan Tanete Riaja. Penelitian dilakukan dengan cara survey dan pemetaan. Pembangunan usaha pertambangan yang berwawasan lingkungan  mensyaratkan adanya pengelolaan sumber daya yang bijaksana. Di sisi lain usaha pertambangan  tersebut memberikan resiko terhadap kerusakan lingkungan. Olehnya tindakan pengendalian lingkungan adalah upaya yang harus diperhitungkan dalam perencanaan pertambangan yang berwawasan lingkungan. Berdasakan hasil penelitian endapan pasir kuarsa yang terdapat di daerah penelitian menunjukkan kadar SiO2 = (85 – 90) %,  sehingga dapat digunakan sebagai bahan baku pembuatan semen di Pabrik Semen Bosowa dan Pabrik Semen Tonasa.  Pasir kuarsa tersebut menyebar pada daerah seluas 30 ha, mempunyai cadangan terukur  5.175.000 ton,  mining recovery 90 % sehingga cadangan layak tambang  adalah 4.657.500 ton. Penambangan yang cocok diterapkan di wilayah penelitian adalah tambang terbuka dengan system teras-teras, penggalian dilakukan dengan metode back filling. Peralatan tambang yang diperlukan adalah excavator dan dump truck. Rencana produksi 120.000 ton/tahun, sehingga umur tambang 38,81 tahun.  Rencana pemasaran PT Semen Tonasa Pangkep dan PT Semen Bosowa Maros untuk bahan baku pengoreksi industri semen, harga jual Rp 100.000 per ton logo gudang pabrik semen.
Co-Authors Muzaki Muzaki