A biostratigraphic analysis was carried out on 60 samples taken from the Barbatos-1 Well, located within the Tomori Block, Banggai Tertiary Basin, East Arm of Sulawesi. The Barbatos-1 well was selected for this study because it is composed of rock sequences which are the main reservoir in the Tomori Block. Biostratigraphic analysis was conducted to determine the relative age and depositional environment of the sample. The age of the sample is determined based on the interval zone. The depositional environment is estimated based on the ratio of plankton (P/B ratio) and fossil facies. The results revealed that the rock formations studied were deposited in the Miocene to Holocene age. The lowest layer is the Orbulina bilobata-Zone which was deposited at N10 -N12 (lower Middle Miocene) in the bathyal environment. The layer above is a biozonation of Globorotalia menardii, deposited at N12 -N14 (upper Middle Miocene) in a neritic environment. The next layer is the biozonation of Sphaeroidinella subdehiscens -Globigerina praebulloides which was deposited at N14 -N17 (Middle Miocene -Late Miocene) in the bathyal environment. The topmost layer is the biozonation of Orbulina universa -Globigerinoides immaturus which was deposited at N17 -N23 or Pliocene -Holocene in the bathyal environment. In the top two layers, there are fossil fragments that come from older rock layers (Early Tertiary).
PENENTUAN LOKASI PERGERAKAN MAGMA GUNUNG API SOPUTAN BERDASARKAN STUDI SEBARAN HIPOSENTER GEMPA VULKANIK PERIODE MEI 2013 – MEI 2014 ABSTRAK Gunung api Soputan merupakan gunungapi type strato yang aktif hingga saat ini. Aktifitasnya diduga dimulai pada masa plistosen bawah (kurang lebih 1,8 juta tahun yang lalu). Gempa vulkanik merupakan gempa yang terjadi akibat aktivitas gunungapi. Hal ini disebabkan oleh pergerakan magma ke atas di dalam gunungapi. Penelitian ini bertujuan untuk mengetahui letak hiposenter gempa vulkanik serta mengetahui letak pergerakan magma Gunung Soputan. Prinsip dari penelitian ini dilakukan dengan menganalisis data gempa vulkanik periode Mei 2013 – Mei 2014 yang berupa data sekunder dari hasil rekaman (seismogram) Gunung Soputan pada 3 stasiun seismometer yaitu stasiun Aesoput, Winorangian, dan Silian. Data gempa diolah dengan menggunakan software seismologi yang ada. Hasil penelitian menunjukkan bahwa distribusi hiposenter gempa vulkanik Gunungapi Soputan menyebar pada daerah kubah lava dan cenderung kearah barat laut, dengan kedalaman 100 m –– 8000 m di bawah kubah lava. Dari hasil analisa hiposenter diketahui terjadi pergerakan magma oleh gempa vulkanik dalam (VA), hal ini disebabkan posisi hiposenter yang naik menuju kubah lava. Kata Kunci: Gunung Soputan, Hiposenter, dan Pergerakan Magma ABSTRACT Soputan volcano is strato volcano that active till today. Its activity supposed began at down Pleistocene (1,8 million years ago). Volcanic earthquake is one of matter that caused by volcano. This happened because magmatic movement inside volcano. This research aimed to know location of hypocenter also to know location of magmatic movement Soputan volcano. Principles from this researchis conducted by analyzing volcanic earthquake data at May 2013 to May 2014 that consist secondary data from recording data (seismogram) volcano Soputan on 3 stations seismometer are Aesoput station, Winorangian, and Silian. The earthquake data processed using seismologic software. Result researchis shows that distribution of hypocenter volcanic earthquake soputan volcano scattered at lava dome area and inclined to northwest, that located on depth 100 m to 8000 m from lava dome. Result from hipocenter analyse to find a magmatic movement by deep volcanic earthquake (VA), this happened because position of hypocenter up movement to lava dome. Keywords: Mount Soputan, Hipocenter, and Magmatic Movement
IDENTIFIKASI PATAHAN MANADO DENGAN MENGGUNAKAN METODE GEOLISTRIK RESISTIVITAS KONFIGURASI WENNER-SCHLUMBERGER DI DESA WATUTUMOU II KECAMATAN KALAWAT KABUPATEN MINAHASA UTARAABSTRAK Telah dilakukan penelitian tentang Identifikasi Patahan Manado yang melewati Desa Watutumou II Kecamatan Kalawat Kabupaten Minahasa Utara. Penelitian dilakukan dengan menggunakan alat Geolistrik Resistivitas multichannel and multielectrode resistivity and IP meter 46 simultaneous channel merek MAE X612-EM Konfigurasi Wenner-Schlumberger. Pengambilan data dilakukan pada 4 lintasan, 3 lintasan panjang bentangannya sebesar 480 meter, dan 1 lintasan panjang bentangannya sebesar 240 meter. Posisi lintasan disusun parallel satu dengan yang lain. Pengolahan data dilakukan dengan mengunakan perangkat lunak RES2DINV, menghasilkan gambar tampang lintang 2 dimensi citra bawah permukaan tanah pada lokasi penelitian. Analisis menunjukan bahwa pada semua lintasan rekahan teridentifikasi pada jarak 20 meter dari jalur Patahan Manado, dengan kedalaman 0 - 30 meter dari permukaan tanah, dan harga resistivitas sebesar 0 – 80 Ωm. Kata Kunci : Geolistrik, Wenner-Schlumberger, Patahan Manado. IDENTIFICATION OF MANADO FAULT BY USING GEOELECTRICAL METHOD OF WENNER-SCHLUMBERGER RESISTIVITY CONFIGURATION IN THE VILLAGE OF WATUTUMOU II, DISTRICT OF KALAWAT, NORTH MINAHASA REGANCY ABSTRACT Has done research on the identification of Manado Fault which passes through the village of Watutumou II Kalawat district of North Minahasa Regency. Research is done by using the tool of Geoelectrical Resistivity multichannel and multielectrode and IP meter 46 simultaneous channel Wenner-Schlumberger configuration with brand of MAE X612-EM. The data collection was carried out on 4 lanes, where 3 of them have a range of length of 480 meter and 1 lane with length of 240 meter. Each of these lanes was assembled paralelly one another. The data processing was held with assistance of RES2DINV software. Its result gave an overview about the 2-dimensional transection of beneath-surface imaging in the research zone. According to the analysis outcome, a fracture identified at 20 meter from the Manado fault, with a depth of 0-30 meter above the ground's surface, and with an approximated value of resistivity of 0 - 80 Ωm. Keywords: Geoelectric, Wenner-Shlumberger, Manado fault.
Tujuan yang ingin dicapai dalam penelitian ini adalah; (1) Untuk mengetahui dan menganalisis upaya kepolisian dalam menanggulangi tindak pidana Kekerasan Dalam RumahTangga di wilayahhukumPolsekMandai. (2) Untuk mengetahui dan menganalisis Hambatan-hambatan yang dihadapi penyidik kepolisian dalam upaya menanggulangi tindak pidana Kekerasan Dalam RumahTangga di wilayah hokum Polsek Mandai. Penelitian yang digunakan adalah penelitian hukum empiris yaitu suatu metode penelitian hukum yang berfungsi untuk melihat hukum dalam artian nyata dan meneliti bagaimana bekerjanya hukum di lingkungan masyarakat. Penelitian dilakukan di wilayah hukum Polsek Mandai Polres Maros, dan yang menjadi fokus pada peneilitian ini ada dua yakni: Preventif dan Represif. Hasil penelitian menujukkan bahwa upaya penanggulangan dilakukan secara preventif dan represif. Sementara kendala yang dihadapi dalam perlindungan perempuan korban kekerasan dalam rumah tangga adalah tidak adanya peraturan pelaksana terkait perintah perlindungan, keterbatasan dana dan keluarnya hasil visum et repertum membutuhkan waktu yang lama, keterbatasan sumber daya manusia seperti tidak adanya tenaga psikolog, kurang maksimalnya pelayanan konseling untuk korban, dan kurangnya pemahaman polisi terhadap pentingnya perintah perlindungan bagikorban. Keempat, keterbatasan sarana prasarana dan terdapat korban yangenggan ditempatkan di rumah aman The objectives of this research are; (1) to find out and to analyze the efforts of the police in overcoming criminal acts of Domestic Violence in the jurisdiction of ??the Mandai Police. (2) To find out and analyze the obstacles faced by police investigators in efforts to overcome criminal acts of domestic violence in the jurisdiction of ??the Mandai Police. The research used is empirical legal research, which is a legal research method that functions to see the law in a real sense and to examine how the law works in society. The research was carried out in the jurisdiction of the Mandai Police in Maros, and the focus of this research are: Preventive and Repressive. The results of this study show that prevention efforts are carried out in a preventive and repressive manner. Meanwhile the obstacles faced in protecting women victims of domestic violence are the absence of implementing regulations related to protection orders, limited funds and the issuance of visum et repertum takes a long time, limited human resources such as the absence of psychologists, lack of maximum counseling services for victims, and the police's lack of understanding of the importance of protection orders for victims. Fourth, limited infrastructure and victims who were reluctantly placed in safe houses.
Telah dilakukan penelitian simulasi untuk menganalisis pengaruh variasi dimensi geometri tungku, daya oven gelombang mikro dan waktu pemanasan terhadap suhu tungku, dan mengoptimasi suhu tungku dalam pemanasan dengan gelombang mikro dari variasi parameter yang digunakan. Tungku kubus dengan panjang sisinya dan tungku silinder dengan diameter dan tingginya masing-masing memiliki ukuran yang sama yaitu 50 mm untuk tipe I, 70 mm untuk tipe II dan 90 mm untuk tipe III, yang terbuat dari material SiC dipanaskan dalam oven gelombang mikro pada daya 100%, 75% dan 50% dari daya maksimum 1,3 kW. Pemanasan tungku ini disimulasikan menggunakan perangkat lunak COMSOL Multiphysics. Hasil simulasi dari setiap parameter dilakukan analisis dan optimasi untuk mencapai suhu optimum 500oC dalam waktu yang singkat dengan konsumsi energinya yang rendah. Hasil simulasi yang diperoleh menunjukkan bahwa variasi parameter memengaruhi suhu yang dihasilkan tungku dan distribusi suhu di dalam tungku. Optimasi pada tungku kubus tipe II (ukuran 70 mm) yang dipanaskan dalam oven gelombang mikro dengan daya 1,3 kW (100%) mencapai suhu optimum 500oC dalam waktu relatif singkat sebesar 7 menit 33 detik (453 detik) dan konsumsi energi relatif rendah sebesar 5,889 × 105 J.Simulation research has been conducted to analyze the effect of variations in the dimensions of the furnace geometry, microwave oven power, and heating time on the furnace temperature, and optimize the furnace temperature in microwave heating from a variety of parameters used. The cube furnace with side length and cylindrical furnace with diameter and height respectively have the same size, namely 50 mm for type I, 70 mm for type II, and 90 mm for type III, which are made of SiC material heated in a microwave oven at power 100%, 75% and 50% of the maximum power of 1,3 kW. The heating of this furnace was simulated using COMSOL Multiphysics software. The simulation results for each parameter are analyzed and optimized to achieve the optimum furnace temperature of 500oC in a short time with low energy consumption. The simulation results obtained show that the parameter variations affect the temperature produced by the furnace and the temperature distribution in the furnace. Optimization of the type II cube furnace (size 70 mm) heated in a microwave oven with a power of 1,3 kW (100%) reaches the optimum temperature of 500oC in a relatively short time of 7 minutes 33 seconds (453 seconds) and relatively low energy consumption of 5,889 × 105 J.
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