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MODEL OF LATERITE NICKEL DEPOSITS BASED ON LGSO AND HGSO VALUES PT MITRA KARYA AGUNG LESTARI Asmiani, Nur; Thamsi, Alam Budiman; Nompo, Supardin; Bakri, Suryanto; Tukloy, Muh. Yusril Affandy; Harmitun, Harmitun
JGE (Jurnal Geofisika Eksplorasi) Vol 10, No 1 (2024)
Publisher : Engineering Faculty Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jge.v10i1.305

Abstract

The laterite nickel deposit model provides information about the form of laterite nickel deposits below the surface, which can be used as one of the considerations in the implementation of mining activities. The purpose of conducting this research is to determine the distribution model of nickel laterite deposits in 3 dimensions (3D) and to determine the amount of nickel laterite reserves based on high-grade saprolite ore (HGSO) and low-grade saprolite ore (LGSO) values in the DH Block. In this research, Inverse Distance Weighted (IDW) is used to estimate nickel laterite resources, which are applied using mining software Surpac 6.3.2 to produce a model in 3D form. The data used are laterite nickel content data (assay), x, y, and z coordinate data (collar), survey data, and lithology data. Based on IDW estimation results with a Cut Off Grade (COG) value of 1.3 in the DH Block of PT Mitra Karya Agung Lestari, High-Grade Saprolite Ore (HGSO) values were obtained at Ni content 1.7 and Low-Grade Saprolite Ore (LGSO) at Ni content 1.3, with a tonnage value of 111.994 tons of HGSO and 371.044 tons of LGSO.
Spread Of Laterite Nickel Based on Drill Data at PT Manunggal Sarana Surya Pratama, Southeast Sulawesi Province Aswadi, Muhammad; Rauf Husain, Jamal; Gazali, Ahmad; Budiman Thamsi, Alam
Journal of Geology and Exploration Vol. 1 No. 2 (2022): Journal of Geology and Exploration, December 2022
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (830.979 KB) | DOI: 10.58227/jge.v1i2.9

Abstract

Modeling of nickel laterite resources is intended to determine the distribution of resources represented in the form of block models. The results of resource modeling indicate the shape and distribution of mineral deposits which can facilitate the mining process and can predict mining boundaries referring to the results of resource modeling. The purpose of this study was to determine the thickness of the saprolite zone layer and the distribution direction of nickel laterite based on drill point data. The data used in the laterite nickel resource modeling are exploration drill data, drill coordinates, and exploration grade classification. Data processing and analysis methods apply block modeling and the variogram method to determine the distribution direction of nickel resources. Based on the results of the cross-section profiles in Section 1 to Section 7, the average thickness of saprolite is 6,605 m, and the block model layer of saprolite which shows high levels of red color (Ni 1.9 - so on) is the most in the north, pink color (Ni 1.5-1.89) is in the north direction before the Ni 1.9 level above, the green color (Ni 1.3-1.49) is in the east and south.
Analisis Kualitas Tanah pada Lahan Bekas Tambang Nikel di Desa Ussu Kecamatan Malili Kabupaten Luwu Timur Provinsi Sulawesi Selatan Jafar, Nurliah; Thamsi, Alam Budiman; Aprilia, Riska Dwi; Aswadi, Muhammad
Geosapta Vol 8, No 2 (2022): JULI 2022
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jg.v8i2.11652

Abstract

Salah satu daerah yang terjadi perubahan kualitas tanah akibat aktivitas pertambangan adalah Kabupaten Luwu Timur tepatnya di Desa Ussu Kecamatan Malili. Lahan yang dulunya hutan sekarang menjadi lahan terdegradasi, sehingga perlu dilakukan penelitian terkait kualitas tanah lahan bekas tambang. Tujuan dari penelitian ini adalah untuk mengetahui pH tanah dan kandungan mineral pada lahan bekas tambang nikel dan mengetahui kualitas tanah menggunakan parameter pH tanah dan kandungan mineral pada lahan bekas tambang nikel. Terdapat 6 titik pengambilan sampel dengan metode pengambilan sampel yaitu grab sampling. Sampel yan gtelah diambil kemudian dilakukan analisis pH dan analisis X-Ray Diffraction. Hasil analisis didapatkan pH tanah dengan nilai 6,2 sampai dengan 6,8 (agak asam) sehingga dapat dikatakan bahwa pH tanah tersebut kurang baik untuk tanaman. Hasil pengujian XRD didapatkan kandungan mineral geotit, hematit, kuarsa, gahnit, lizardit dan diopsid. Tanah pada daerah penelitian memiliki pH 6,2 sampai dengan 6,8 (agak asam), dan memiliki kandungan Fe >325 ppm. Nilai pH tanah dan kandungan Fe pada lokasi penelitian menunjukkan angka yang tidak sesuai dengan standar kualitas tanah yang ada sehingga dapat disimpulkan bahwa kualitas tanah pada lokasi penelitian tidak baik. Kualitas tanah yang tidak baik menyebabkan tanaman tidak subur dan sangat sulit untuk tumbuh.
Korelasi MgO dan SiO2 Terhadap Kadar Ni dan Fe Pada Endapan Nikel Laterit di PT MKAL F, Firdaus; Thamsi, Alam Budiman; Badduwahe, Harianto
Geosapta Vol 10, No 1 (2024): JANUARI 2024
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jg.v10i1.15264

Abstract

Nikel laterit merupakan salah satu tipe endapan nikel yang ada di dunia selain nikel sulfida. Lokasi penelitian terletak di Desa Ungkaya, Kecamatan Witaponda, Kabupaten Morowali, Provinsi Sulawesi Tengah. Tujuan dari penelitian ini adalah menganalisis korelasi MgO dan SiO2 terhadap kadar Ni dan Fe pada zona limonit dan saprolit. Metode yang digunakan dalam penelitian ini adalah dengan mengelompokkan data berdasarkan titik lokasi. Setelah masuk ke dalam Microsoft Excel kemudian diolah untuk mendapatkan hasil berupa data kadar MgO, SiO2, Ni dan Fe dari zona limonit hingga saprolit. Kemudian dilakukan analisis korelasi antara kadar MgO, SiO2, Ni dan Fe menggunakan grafik, dengan menggunakan software Microsoft Excel. Hasil yang diperoleh dari penelitian ini adalah korelasi terbalik antara MgO dan Ni. Hal ini menunjukkan bahwa semakin tinggi kandungan MgO maka kandungan Ni semakin rendah begitu pula sebaliknya. Hubungan kandungan SiO2 dengan Ni menunjukkan bahwa bijih nikel terkonsentrasi oleh SiO2. Dimana terlihat bahwa kandungan Ni menurun saat mendekati batuan ultrabasa sedangkan unsur SiO2 meningkat. Korelasi antara MgO dan Fe berbanding terbalik. Hal ini menunjukkan bahwa semakin tinggi kadar MgO maka kandungan Fe semakin rendah begitu pula sebaliknya. Hubungan SiO2 dengan Fe dimana terlihat bahwa kandungan Fe menurun ketika mendekati batuan ultrabasa sedangkan unsur SiO2 meningkat.
Pelatihan Penggunaan Aplikasi GPS Essentials Dan Quantum GIS Untuk Pembuatan Peta Bagi Siswa SMK Penerbangan Techno Terapan Thamsi, Alam Budiman; Wakila, Muhamad Hardin; Aswadi, Muhammad
Idea Pengabdian Masyarakat Vol. 4 No. 03 (2024): September
Publisher : PT.Mantaya Idea Batara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53690/ipm.v4i03.305

Abstract

Pelatihan Sistem Informasi Geografis (SIG) merupakan komponen penting dalam meningkatkan kapasitas individu, dunia pendidikan dan organisasi dalam pemanfaatan teknologi pemetaan dan analisis spasial. Sistem informasi geografis (SIG) banyak dimanfaatkan di berbagai bidang, di antaranya yaitu kehutanan, pertambangan, kelautan, pendidikan, kesehatan, dan berbagai bidang lainnya. Pelatihan penggunaan aplikasi GPS Essentials dan Quantum GIS untuk pembuatan peta bagi taruna-taruni SMK Penerbangan Techno Terapan, akan memberikan bekal agar dapat dimanfaatkan di dunia pekerjaan. Metodologi pengabdian kepada masyarakat melibatkan pengumpulan data melalui kuesioner sebelum pelatihan dan setelah pelatihan, wawancara mendalam, serta observasi selama sesi pelatihan. Data yang diperoleh kemudian dianalisis menggunakan software SPSS 27. Metode yang digunakan adalah perhitungan uji t (T-test). Hasil pengabdian kepada masyarakat menunjukkan peningkatan signifikan dalam pemahaman dan keterampilan peserta terkait penggunaan perangkat lunak SIG, analisis data spasial, dan aplikasi praktis dalam proyek-proyek. Hal ini dapat dilihat pada hasil perhitungan uji t (T-test) yaitu nilai sig (2-tailed) 0,000 lebih kecil dari 0,05. Selain itu, pengabdian kepada masyarakat ini mengidentifikasi faktor-faktor kunci yang berkontribusi terhadap keberhasilan pelatihan, seperti kualitas instruktur, metode pengajaran yang interaktif, dan materi pelatihan yang relevan dengan kebutuhan peserta. Temuan ini menyarankan bahwa program pelatihan SIG yang terstruktur dengan baik dapat secara efektif meningkatkan kompetensi teknis peserta dan mendukung implementasi proyek-proyek berbasis SIG di berbagai sektor.
Pemetaan Sumberdaya Kromit di Desa Patappa, Kabupaten Barru untuk Masterplane Geowisata Wakila, Muhamad Hardin; Heriansyah, Andi Fahdli; Thamsi, Alam Budiman; Harwan, Harwan
Abdimas Galuh Vol 6, No 2 (2024): September 2024
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v6i2.16194

Abstract

Masterplan desa merupakan dokumen perencanaan di tingkat desa yang bersifat komprehensif. Secara geologi Desa Palluda Kecamatan Pujananting memiliki beragam sumberdaya bahan galian salah satunya adalah kromit. Bijih kromit memiliki banyak Kegunaan dalam industri-industri stainless steel, gray cast iron, iron free high temperature alloys, dan lain-lain. Atas dasar tersebut sehingga diperlukan suatu upaya guna menunjukan sebaran (distribusi) dari sumberdaya kromit khususnya di Desa Palluda, yang mana berdasarkan observasi awal di kantor desa Palluda belum terdapat peta sebaran bahan galian kromit khususnya untuk masterplane geowisata Desa Palluda, Kecamatan Pujananting, Kabupaten Barru. Tujuan dari kegiatan Pengabdian kepada masyarakat ini adalah untuk membuat peta sebaran kromit kemudian memberikan rekomendasi terkait pengembangan masterplane kromit untuk geowisata. Metode pelaksanaan kegiatan ini yakni melakukan identifikasi awal (observasi), identifikasi masalah, dan pemberian solusi. Temuan pengabdian ini menyoroti potensi sumber daya kromit yang signifikan di Desa Pattapa, Kabupaten Barru, Sulawesi Selatan, untuk pengembangan masterplan geowisata. Analisis spasial dan survei geologi yang dilakukan dalam pengabdian ini memberikan pemahaman menyeluruh mengenai lokasi, sebaran, dan karakteristik endapan kromit di wilayah tersebut. Kemampuan pemanfaatan sumber daya kromit di Kabupaten Barru dapat berkontribusi terhadap pertumbuhan ekonomi dan diversifikasi perekonomian daerah, karena geowisata dapat menghasilkan pendapatan, menciptakan lapangan kerja, dan mendorong pelestarian warisan alam dan budaya daerah. Peta potensi kromit komprehensif yang dikembangkan dalam studi ini dapat menjadi alat yang berharga bagi pemerintah daerah dan pemangku kepentingan di Kabupaten Barru untuk merencanakan dan melaksanakan rencana induk geowisata yang selaras dengan tujuan pembangunan berkelanjutan di wilayah tersebut.
Inorganic Geochemistry of Coal from Patappa Village, Bone District, and Masenrengpulu Village, Barru District, South Sulawesi Province Using XRF Method Anshariah, Anshariah; Thamsi, Alam Budiman; Tholib, Mohammad
International Journal of Applied Sciences and Smart Technologies Volume 06, Issue 2, December 2024
Publisher : Universitas Sanata Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/ijasst.v6i2.7159

Abstract

The chemical composition of coal is almost the same as that of plant tissue, containing the main elements of elements C, H, O, N, S, and P. An in-depth study of coal inorganic compounds is needed because coal inorganic compounds are the primary variable in ash formation during coal combustion. This study uses the X-ray fluorescence method to reveal the differences and similarities in inorganic chemical composition contained in coal in Bone Regency and Barru Regency. Coal in Masenrengpulu Village has the Al2O3 compound as the most dominant compound, while coal in Patappa Village has the SiO2 compound as the most prevalent compound. The concentration of inorganic sulfide minerals in the village of Masenrengpulu was influenced by igneous rock intrusion and deposition processes. In contrast, the deposition process only affected the inorganic sulfide minerals of coal in Patappa village. The significant elements found in coal in the Masenrengpulu and Patappa Villages are Si, Al, Fe, S, Ca, K, and Ti. Coal inorganic sulfide minerals in Masenrengpulu Village with Patappa Village have high concentrations in the bottom channel of the coal seam and a low concentration in the middle channel and top of the seam. Coal inorganic sulfide minerals in Masenrengpulu Village and Patappa Village have high concentrations in the coal seam's lower channel and low concentrations in the middle and upper channels. Keywords: Coal Comparison, Mallawa Formation, XRF, Inorganic Geochemistry.
Efisiensi Kerja Pemboran Eksplorasi Pada PT Vale Indonesia: Efficiency of Exploration Drilling Work at PT Vale Indonesia Hasbi Bakri; Alam Budiman Thamsi; Sahabuddin Sahabuddin
Journal of Engineering Science and Technology Applications Vol. 1 No. 1 (2023): Journal of Engineering Science and Technology Applications
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jesta.v1i1.70

Abstract

Exploration activities nickel (Ni) which is one of the stages, is where the exploratory drilling work efficiency is one of the main factors that can describe how good a job has been done. The purpose of this study is to analyze the efficiency of exploration drilling. This research method is done by direct observation in the field. The data that was obtained was a record time of any activities during the working day in the form of exploration drilling activity, inserting the inner tube in the core barrel, an empty lap, then taking out further drilling in the core barrel inner tube, prepare the inner tube, add pipes, and re-inserting the inner tube core barrel. There are other activities that the problems of the inner tube not landing. The inner tube can not rise, smoothing supplies drilling, pulling out the pipe, moving the drilling tool and equipment, preparation of drilling, transportation, accessibility, preparatory work crew, safety talk/meeting, checking tool, refueling, wait for dozer, crew return preparations, waiting for a supervisor/geologist, waiting for the crew, weather problems, rest, waiting to go home, repair, and water issues. This study obtained an efficiency increase of 44.43% in drilling work. Concluded the drilling work efficiency is still below the working efficiency standards applied by the company by 50%.
Analisis Uji Emisi Pada Asap Hasil Pembakaran Briket dari Campuran Batubara dan Limbah Plastik LDPE: Emission Test Analysis On Bricket Combustion Smoke From Mixed Coal And LDPE Plastic Waste Asmiani, Nur; Lestari, Ayu; Thamsi, Alam Budiman
Journal of Engineering Science and Technology Applications Vol. 2 No. 2 (2024): Journal of Engineering Science and Technology Applications
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jesta.v2i2.206

Abstract

This research was conducted by mixing coal and Low-Density Polyethylene (LDPE) waste. This study aimed to determine the smoke resulting from burning briquettes with a calorific value of 9,187 Kcal/gr. Judging from the emission levels of carbon monoxide (CO), sulfur dioxide (SO2), and nitrogen oxides (NO2), it becomes a consideration for the feasibility of briquettes be produced as alternative fuels, harmful or not for human health and the surrounding environment. They are first testing the quality of the briquettes and the smoke emissions from burning briquettes. From the test results, the sulfur content is 0.01%, the moisture content is 1.15%, the ash content is 10.22%, the volatile matters are 87.76%, and the calories are 9187.64 Kcal/gr. Then the smoke resulting from burning briquettes was tested for emission levels of carbon monoxide (CO), sulfur dioxide (SO2), and nitrogen oxides (NO2). The results obtained with a high value and exceed the maximum standard that has been set by PERMEN ESDM No. 047 of 2006, namely CO 13715 mg/Nm3 and SO 2550 mg/Nm3, while the NO 2 produced does not exceed the maximum standard set by PERMEN ESDM No. 047 of 2006 which is 7 mg/Nm3. Based on the test results, it can be concluded that the briquettes produced have the potential to pollute the environment and are dangerous if inhaled at high levels by humans. The resulting briquettes are also unfit to be produced as an alternative fuel.
Analisis Perbedaan Kadar Nikel Antara Front Penambangan dan Stockpile Pada PT Rockstone Multi Mining Indonesia: Analysis of the difference in Nickel Grade Between the Mining Front and Stockpile at PT Rockstone Multi Mining Indonesia Maulana, Wahyu; Chalik, Citra Aulian; Thamsi, Alam Budiman
Journal of Engineering Science and Technology Applications Vol. 2 No. 2 (2024): Journal of Engineering Science and Technology Applications
Publisher : CV Insight Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58227/jesta.v2i2.207

Abstract

PT Rockstone Multi Mining Indonesia Central Sulawesi is one of the companies that manages laterite nickel ore into ferronickel (FeNi) products. This study aims to determine the percentage of nickel content found in the mining front to the stockpile and to find out what percentage of the change in nickel content from the mining front to the stockpile and analyze the factors of the change in the level from the mining front to the stockpile. This study uses the field observation method. In the mining front data , with a total of 17 domes, the average level of Ni Front of reclamation is 1.91 while the average level of Ni stockpile is 1.90. When summing up the average value of the mining front and stockpile levels , a decrease in nickel content of 0.01% was obtained. The factors that cause changes in nickel levels are waterlogging, dredging of the Stockpile floor, the use of used sacks for samples, unclean buckets, unclean dump truck tubs, sampling errors, and preparation errors.
Co-Authors A. Arizal A. F. Heriansyah A. Maulana A. S. Munir Abdul Salam Munir Agus A Budiman Agus Ardianto Budiman Ahmad Fauzie Ahmad Gazali, Ahmad Alfian Nawir Alfian Nawir Alfian Nawir Almarabi, Laode Muhammad Imaduddin Andi Fadli Heriansyah Andi Fahdli Heriansyah Anshariah Anshariah Anshariah Anshariah Anshariah, Anshariah Aprilia, Riska Dwi Ardhana, Muh. Reza Arif Nurwaskito AYU LESTARI Badduwahe, Harianto Bakri, Hasbi Bakri, Hasbi Bakri, Suriyanto Bakri, Suryanto Budiman, Agus Ardianto C. A. Chalik C. D. Sangadji Chalik, Citra Aulian Dirgahayu Lantara Djamaluddin Djamaluddin E. P. Umar F, Firdaus F. Firdaus F. N. Yusuf Farizah Dhaifina Amran Febrianto Wajar, Kurniawan Firaldy S Firdaus Firdaus F Firdaus Firdaus Firman Nullah Yusuf Fitri Amalia H. Anwar Habibie Anwar Habibie Anwar Harmitun, Harmitun Harwan Harwan Harwan, Harwan Hasbi Bakri I. Nur Idris Juradi, Muhammad Irwan, Muhammad Reza Ardhana Irzal Nur, Irzal Izzulhaq Ainunnur L.O.M.Y. Amsah Limbanadi, Iftitah Vinny Aurelia M. Aswadi Maharza, Agvir Fajri Mais Ilsan Miftah Farid Muhammad Akbar Muhammad Aswadi Muhammad Furqan Al Faruqi Muhammad Idham Farid Muhammad Nur Alim Muhdi, Irawan Nasrullah Nasrullah Nawir , Alfian Nawir, Alfian Ningsih, Apriana Ningsih, Apriyana Nompo, Supardin Nur Asmiani Nurhawaisyah, Sitti Ratmi Nurliah Jafar Nurliah Jafar Nurliah Jafar, Nurliah Nurwaskito, Arif Pangeran Sulfahmi Prasetyawati Umar, Emi R. M. Ismail Rachman, Muhammad Fathur Rahareng, Sutriani Rahma, Kismu Ratmi Nurhawaisiah, Sitti Rauf Husain, Jamal Reynaldhi Yogi Pranata S. R. Nurhawaisyah Sahabuddin Sahabuddin Sanjaya, Harta Saputra, Isroq Aditya Ekyan Sri Widodo Sukamto, Purwoto Suryanto Bakri Syamsul Bakhri Tholib, Mohammad Tri Andriyani Kandora Tsalis Kurniawan Husain Tukloy, Muh. Yusril Affandy Wahyu Maulana, Wahyu Wakila, Muhammad Hardin Wardana, Lubis Widodo , Sri