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MODEL OF LATERITE NICKEL DEPOSITS BASED ON LGSO AND HGSO VALUES PT MITRA KARYA AGUNG LESTARI 基于 lgso 和 hgso 值的红土镍矿床模型 pt mitra karya agung lestari
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2024-04-03 DOI: 10.23960/jge.v10i1.305
Nur Asmiani, A. B. Thamsi, Supardin Nompo, Suryanto Bakri, Muh. Yusril Affandy Tukloy, Harmitun Harmitun
{"title":"MODEL OF LATERITE NICKEL DEPOSITS BASED ON LGSO AND HGSO VALUES PT MITRA KARYA AGUNG LESTARI","authors":"Nur Asmiani, A. B. Thamsi, Supardin Nompo, Suryanto Bakri, Muh. Yusril Affandy Tukloy, Harmitun Harmitun","doi":"10.23960/jge.v10i1.305","DOIUrl":"https://doi.org/10.23960/jge.v10i1.305","url":null,"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.","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"7 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140746063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover JGE 封面 JGE
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2024-04-03 DOI: 10.23960/jge.v10i1.422
Editor Jge
{"title":"Cover JGE","authors":"Editor Jge","doi":"10.23960/jge.v10i1.422","DOIUrl":"https://doi.org/10.23960/jge.v10i1.422","url":null,"abstract":"Cover JGE","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"108 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140750536","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
PENDUGAAN ZONA SESAR BERDASARKAN GEOLISTRIK 2D PADA ULUJADI, KOTA PALU, SULAWESI TENGAH 基于中苏拉威西省锤子市 ulujadi 的 2d 地球电量对断层带的估计
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2024-04-03 DOI: 10.23960/jge.v10i1.333
Rhahmi Adni Pesma, Adrian Freenaldo Sitanggang
{"title":"PENDUGAAN ZONA SESAR BERDASARKAN GEOLISTRIK 2D PADA ULUJADI, KOTA PALU, SULAWESI TENGAH","authors":"Rhahmi Adni Pesma, Adrian Freenaldo Sitanggang","doi":"10.23960/jge.v10i1.333","DOIUrl":"https://doi.org/10.23960/jge.v10i1.333","url":null,"abstract":"Daerah Ulujadi, Kota Palu, Provinsi Sulawesi Tengah sering mengalami gempabumi karena dilalui sesar aktif yaitu sesar Palu Koro. Hal tersebut mengakibatkan kerugian yang besar bagi penduduk setempat, sehingga diperlukan upaya mitigasi bencana gempabumi untuk masa yang akan datang. Sebagai bentuk dukungan untuk keberhasilan mitigasi tersebut dilakukanlah penelitian dengan tujuan untuk mengidentifikasi jenis lapisan batuan bawah permukaan dan menduga keberadaan zona sesar. Metode geofisika yang digunakan adalah metode Geolistrik 2D Konfigurasi Wenner sebanyak 3 lintasan. Berdasarkan hasil analisis pemodelan 2D terdapat 3 lapisan batuan bawah permukaan yang terdiri dari batupasir pada rentang 0,86 – 163 Ωm, batugamping pada rentang 164 -1.013 Ωm, dan batu konglomerat pada rentang 1.014 – 10.527 Ωm. Terdapat 3 terduga zona sesar pada lintasan 2 dan lintasan 3 yang tergolong pada sesar minor (patahan dangkal) yang termasuk jenis sesar normal dengan arah kemenerusan dominan timur laut-barat daya daerah penelitian. Hasil penelitian ini, diharapkan menambah informasi terkait zona sesar, agar upaya mitigasi bencana dapat diupayakan lebih baik.","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"61 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140747701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IDENTIFIKASI POTENSI BIDANG GELINCIR MENGGUNAKAN METODE GEOLISTRIK DI DAERAH AMBON MALUKU 在马鲁古的安汶地区利用地电方法识别潜在的滑动面
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2024-04-03 DOI: 10.23960/jge.v10i1.351
Warni Multi, Resti Limehuwey, Philipus J Patty, Sitti Hafsa Kotarumalos, A. Ramadhan, M. Sukri
{"title":"IDENTIFIKASI POTENSI BIDANG GELINCIR MENGGUNAKAN METODE GEOLISTRIK DI DAERAH AMBON MALUKU","authors":"Warni Multi, Resti Limehuwey, Philipus J Patty, Sitti Hafsa Kotarumalos, A. Ramadhan, M. Sukri","doi":"10.23960/jge.v10i1.351","DOIUrl":"https://doi.org/10.23960/jge.v10i1.351","url":null,"abstract":"Identifikasi bidang gelincir telah dilakukan di Batu Koneng, Kota Ambon dengan menggunakan metode geolistrik konfigurasi dipole-dipole. Tujuan dilakukan penelitian ini yaitu untuk menginterpretasi lapisan batuan bawah permukaan di area penelitian melalui nilai resistivitas guna mengetahui adanya potensi bidang gelincir yang menyebabkan longsor. Data pengukuran dilakukan sebanyak 4 lintasan dengan panjang 110 m yang pengolahan datanya menggunakan software Res2Dinv. Hasil interpretasi menunjukkan bahwa di lokasi penelitian terdeteksi litologi lempung dengan variasi nilai resistivitas 8,77-24,9 Ωm. Sedangkan lapisan lain diduga sebagai batu gamping dengan variasi nilai resistivitas 23,0-70,1 Ωm. Bidang gelincir diduga berupa lapisan lempung yang terdeteksi pada semua penampang lintasan, untuk penampang 1 ditemukan pada kedalaman 1,25 m hingga 6,76 m, untuk penampang 2 ditemukan pada kedalaman 1,25 m hingga 8 m. Sedangkan pada penampang 3 pada kedalaman 1,25 m hingga 11 m dan penampang 4 menjadi lapisan yang paling dalam yaitu 1,25 m hingga 24 m.","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"55 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140748686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IDENTIFIKASI PATAHAN SEISMO-TEKTONIK JAYAPURA BERDASARKAN PEMODELAN INVERSI 3D DATA GRAVITASI 根据重力数据的三维反演建模确定贾亚普拉地震构造断层
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2024-04-03 DOI: 10.23960/jge.v10i1.372
Bangkit Sudrajad, Tatang Sutarman, E. Sinaga, Hubertus Ngaderman
{"title":"IDENTIFIKASI PATAHAN SEISMO-TEKTONIK JAYAPURA BERDASARKAN PEMODELAN INVERSI 3D DATA GRAVITASI","authors":"Bangkit Sudrajad, Tatang Sutarman, E. Sinaga, Hubertus Ngaderman","doi":"10.23960/jge.v10i1.372","DOIUrl":"https://doi.org/10.23960/jge.v10i1.372","url":null,"abstract":"Pada awal tahun 2023 wilayah Kota Jayapura dan sekitarnya mengalami gempabumi dengan seismisitas yang tinggi dan terjadi terus menerus. Gempabumi tersebut termasuk ‘Black Swan Earthquakes’ karena di luar prediksi para ahli; langka terjadi; dan sumber gempabumi belum terpetakan dengan baik. Berkaitan dengan hal tersebut maka dilakukan pemodelan 3D struktur bawah permukaan menggunakan metode gravitasi untuk mengidentifikasi struktur patahan pada sebaran episenter gempabumi Jayapura. Data yang digunakan adalah sebanyak 9021 titik data medan gravitasi GGMplus yang melingkupi wilayah darat dan laut; data model elevasi digital; data hiposenter gempabumi; data peta geologi; dan data densitas sampel batuan di lapangan. Dari hasil pengolahan peta anomali gravitasi dan pemodelan inversi 3D struktur bawah permukaan, ditemukan pola kontur anomali gravitasi dan distribusi densitas bawah permukaan yang mengindikasi keberadaan patahan di dasar laut sebelah utara Kota Jayapura pada koordinat 2,44092° LS (UTM Y=9730,20 km). Berdasarkan hasil interpretasi model akhir 3D dapat disimpulkan bahwa patahan gempabumi yang teridentifikasi tersebut merupakan patahan naik dengan orientasi membujur berarah Barat-Timur. ","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"8 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140747021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IDENTIFIKASI KEDALAMAN AKUIFER MENGGUNAKAN METODE VERTICAL ELECTRICAL SOUNDING (VES) STUDI KASUS: KELURAHAN SUKARAME 识别垂直电探测（VES）测量模式的水文地质学家：苏格拉姆水文地质学家
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2024-04-03 DOI: 10.23960/jge.v10i1.343
Boy Fernando Grace Nainggolan, A. Paembonan, Alhada Farduwin
{"title":"IDENTIFIKASI KEDALAMAN AKUIFER MENGGUNAKAN METODE VERTICAL ELECTRICAL SOUNDING (VES) STUDI KASUS: KELURAHAN SUKARAME","authors":"Boy Fernando Grace Nainggolan, A. Paembonan, Alhada Farduwin","doi":"10.23960/jge.v10i1.343","DOIUrl":"https://doi.org/10.23960/jge.v10i1.343","url":null,"abstract":"Kelurahan Sukarame di sebelah selatan kampus ITERA memiliki lahan kosong yang potensial untuk pembangunan perumahan, rumah kontrakan, dan industri. Namun, eksplorasi air tanah di daerah ini kurang banyak dilakukan, sehingga memerlukan perhatian khusus untuk dilakukan eksplorasi air tanah untuk kebutuhan pembangunan dan penduduk sekitar. Langkah penting dalam menghadapi masalah ini adalah mengetahui keberadaan akuifer untuk memperoleh sumber air tanah yang memadai. Identifikasi akuifer dilakukan menggunakan metode Vertical Electrical Sounding (VES). Dengan studi ini akan dapat menentukan jenis litologi bawah permukaan, mengetahui kedalaman lapisan akuifer dan dapat juga mengidentifikasi jenis akuifernya. Pengukuran dilakukan dengan 11 titik sounding menggunakan konfigurasi Schlumberger dengan AB/2 maksimal 100 meter. Berdasarkan nilai resistivitas, kawasan tersebut tersusun dari batu lempung tufan dengan nilai resistivitas 20 Ωm, batu pasir tufan dengan rentang nilai resistivitas antara 20-80 Ωm, dan batu tuf dengan nilai resistivitas 80 Ωm. Lapisan batu pasir tufan diduga merupakan lapisan dari akuifer. Pada daerah penelitian terdapat dua jenis akuifer yaitu akuifer bebas yang ditemukan pada kedalaman 3 meter dan akuifer semi-tertekan pada kedalaman 5 meter.","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"16 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140746055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
C-RIA: RESISTIVITY DATA INTERPRETATION AND ANALYSIS IN CLOUD MODE C-RA：云模式下的电阻率数据解释与分析
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2024-04-03 DOI: 10.23960/jge.v10i1.389
A. Y. Paembonan, A. S. Sigalingging, P. P. Andika, Selvi Misnia Irawati, Edlyn Yoadan Nathania, Muhammad Rendi Jaya
{"title":"C-RIA: RESISTIVITY DATA INTERPRETATION AND ANALYSIS IN CLOUD MODE","authors":"A. Y. Paembonan, A. S. Sigalingging, P. P. Andika, Selvi Misnia Irawati, Edlyn Yoadan Nathania, Muhammad Rendi Jaya","doi":"10.23960/jge.v10i1.389","DOIUrl":"https://doi.org/10.23960/jge.v10i1.389","url":null,"abstract":"Geophysical methods generally require one or several processes before interpretation is carried out. This process usually requires software that requires fast computer technology. The better the computer device, the faster data can be processed. We propose a new approach in processing and interpreting and integrating geophysical data, especially resistivity data, using cloud technology. This technology is generally able to increase the speed of processing and interpreting geophysical data, which really requires devices with fast capabilities. Not to mention, if there is a lot of data being processed, it will take a long time just to process the data. Therefore, by using cloud technology the work can be done efficiently because it uses computers with modern and fast technology. In this research we apply this technology to geophysical data that is most often used for shallow exploration, namely the resistivity geoelectric method. With this research, we hope that data processing and geophysical data inversion will be more efficient and effective and the data will be safer.","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"14 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140748173","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Foreword March 2024 前言 2024 年 3 月
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2024-04-03 DOI: 10.23960/jge.v10i1.423
Editor Jge
{"title":"Foreword March 2024","authors":"Editor Jge","doi":"10.23960/jge.v10i1.423","DOIUrl":"https://doi.org/10.23960/jge.v10i1.423","url":null,"abstract":"Foreword March 2024","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"208 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140748461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Foreword November 2023 前言 2023 年 11 月
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2023-11-29 DOI: 10.23960/jge.v9i3.376
Editor Jge
{"title":"Foreword November 2023","authors":"Editor Jge","doi":"10.23960/jge.v9i3.376","DOIUrl":"https://doi.org/10.23960/jge.v9i3.376","url":null,"abstract":"Foreword November 2023","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"14 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139209937","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cover JGE 封面 JGE
JGE (Jurnal Geofisika Eksplorasi) Pub Date : 2023-11-29 DOI: 10.23960/jge.v9i3.375
Editor Jge
{"title":"Cover JGE","authors":"Editor Jge","doi":"10.23960/jge.v9i3.375","DOIUrl":"https://doi.org/10.23960/jge.v9i3.375","url":null,"abstract":"Cover JGE","PeriodicalId":153982,"journal":{"name":"JGE (Jurnal Geofisika Eksplorasi)","volume":"112 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139210649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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