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All Journal BERKALA SAINSTEK AJIE (Asian Journal of Innovation and Entrepreneurship) FKIP e-PROCEEDING JOURNAL OF EARTH ENERGY ENGINEERING BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Tekno Insentif Reswara: Jurnal Pengabdian Kepada Masyarakat Jurnal Geosains dan Remote Sensing (JGRS) Journal of Earth and Marine Technology (JEMT) Jurnal Teknologi Lingkungan Lahan Basah INTAN Jurnal Penelitian Tambang Mining Science and Technology Journal Jurnal Teknologi Sumberdaya Mineral
Haeruddin Haeruddin
Department Of Mining Engineering, Faculty Of Engineering, University Of Jember
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Transportation

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Tinjauan Terhadap Perencanaan Phytomining sebagai Alternatif Tambang Emas Ramah Lingkungan Di Ajeng Arum Kusuma; Haeruddin Haeruddin
Jurnal Teknologi Sumberdaya Mineral Vol. 3 No. 2 (2022)
Publisher : Program Studi Teknik Pertambangan Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jeneral.v3i2.34358

Abstract

The community's negative paradigm regarding mining activities is still circulating today. They assume that mining only brings harm to the surrounding environment. The community is worried that the mining activities carried out can damage the environment and make them lose their livelihood as farmers. Gold mining can not only be done by conventional methods, but also by the Phytomining method. Phytomining is the production of metal plants by growing plants that can accumulate metals in high concentrations. Phytomining is an environmentally friendly method because in the process it does not use chemical substances that can harm the environment and the surrounding community. In this study, mining planning is carried out which includes prospecting activities, exploration, feasibility studies (feasibility studies) equipped with Environmental Impact Analysis (AMDAL), mining preparation and construction of mining infrastructure, Occupational Health and Safety (K3), management and environmental monitoring. The Phytomining method used can be an alternative solution for environmentally friendly mining activities. In addition, the community will not lose their jobs and earn more because of mining activities. Mining with the Phytomining method has been widely applied in other countries, for that this method also has the potential to be developed in Indonesia.
Analisis Perbandingan Metode Kuz-Ram dan Digital Image Analysis pada Tanah Penutup Tambang Batubara PT. XYZ, Kalimantan Timur Fanteri Aji Dharma Suparno; Haeruddin Haeruddin; Siti Aminah; Difan Tri Andalas
Jurnal Teknologi Sumberdaya Mineral Vol. 3 No. 2 (2022)
Publisher : Program Studi Teknik Pertambangan Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jeneral.v3i2.35059

Abstract

PT. XYZ adalah perusahaan tambang batubara yang beroperasi di Kalimantan Timur. Metode penambangan yang digunakan adalah open pit dengan kegiatan pemberaian utama tanah penutup adalah peledakan. Fragmentasi menjadi faktor penting dalam peledakan dimana untuk perusahaan ini ukuran fragmentasi tidak melebihi 80 cm atau ≤ 15% berdasarkan pada ukuran bucket alat gali. Metode yang digunakan dalam menganalisis fragmentasi hasil peledakan yaitu Digital Image Analysis secara aktual di lapangan menggunakan perangkat lunak Split- Dekstop, dan secara teoritis menggunakan metode Kuz-Ram. Hal ini dimaksudkan untuk mengetahui dan membandingkan persentase distribusi ukuran fragmentasi hasil peledakan. Hasil dari analisis fragmentasi peledakan PT. XYZ di lapangan, dilakukan pada dua lokasi pengambilan data yaitu loading point A1 dan A2. Geometri peledakan ada A1 adalah burden 5,04 m, spasi 6,03 m, menghasilkan fragmentasi ukuran ≥ 80 cm sebesar 8,15% dan A2 adalah burden 5,2 m, spasi 5,7 m, menghasilkan fragmentasi 5,61% ini berdasarkan metode Digital Image Analysis dengan Split-Dekstop. Sedangkan dengan metode prediksi Kuz-Ram justru sebaliknya menghasilkan ukuran fragmentasi dengan persentase yang besar yaitu pada quarry B7 sebesar 24,17% dan B8 sebesar 22,99%, pada fragmentasi berukuran ≥ 80 cm.
Prediksi Curah Hujan Berdasarkan Analisis Deret Waktu di PIT A, B, dan C PT. Darma Henwa Kalimantan Timur Khusmiawati, Yunita; Haeruddin, Haeruddin; Irawan, Januar Fery
Jurnal Tekno Insentif Vol 19 No 1 (2025): Jurnal Tekno Insentif
Publisher : Lembaga Layanan Pendidikan Tinggi Wilayah IV

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36787/jti.v19i1.1902

Abstract

Curah hujan berpengaruh terhadap kegiatan operasional pertambangan, termasuk di PT. Darma Henwa site Bengalon yang memiliki tiga pit. Curah hujan tinggi sering menyebabkan genangan air pada area tambang, terganggunya kegiatan produksi, dan mempengaruhi keselamatan kerja. Oleh karena itu dibutuhkan prediksi curah hujan sesuai karakteristik wilayah untuk mendukung perencanaan operasional. Salah satu metode prediksi yang efektif adalah deret waktu dengan pendekatan seperti Moving average (MA), Weights moving average (WMA), dan Exponential Smoothing. Berdasarkan analisis pada Pit A, B, dan C, metode terbaik untuk analisis pola curah hujan adalah weights moving average [1,2,3] karena memiliki rata-rata error terkecil yaitu berkisar 0,90-1,35. Prediksi curah hujan dengan metode exponential smoothing didapatkan hasil antara 2,40-7,63mm dan tergolong sedang untuk wilayah Bengalon dengan grafik stabil. Metode prediksi terbaik adalah kombinasi weights moving average [1,2,3] dengan MAE 1,14; MSE 3,34; RMSE 1,77; MAPE 20,14% dan exponential smoothing dengan MAE 2,04; MSE 6,64; RMSE 2,54; MAPE 18,52%. Kombinasi kedua metode tersebut dapat meningkatkan akurasi dalam prediksi curah hujan di Site Bengalon PT. Dharma Henwa, Kalimantan Timur.
POTENTIAL FORMATION OF ACID MINE DRAINAGE BASED ON THE GEOCHEMISTRY OF GOLD ORE ROCKS Aminah, Siti; Haeruddin, Haeruddin; Suparno, Fanteri Aji Dharma; Irawan, Januar Fery
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol. 12 No. 1 (2025): Biolink August
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v12i1.14182

Abstract

Open pit mining activities can have many impacts on the environment, such as the formation of mine pits containing acid mine drainage. This requires proper and correct handling so as not to harm the environment. The acidity of mine drainage can vary greatly depending on the quantity and type of minerals it contains. The objectives of this research are: to identify and determine the rock materials that have the potential to generate acid mine drainage (AMD) as Potentially Acid Forming (PAF) rocks and Non-Acid Forming (NAF) rocks. The research began with sample preparation, mineralogical analysis, AAS, static testing, and XRF testing. The research results indicate that the samples are primarily composed of quartz, with some hematite and goethite grains observed as fine, curved pore fillings. Gold (Au) is found within the mineral electrum (AuAg). The minerals present in the gold ore rocks are predominantly oxides, consisting of 84.7% SiO2, 8.23% Fe2O3, and other components. The rock samples are classified as NAF, as indicated by the paste pH analysis results of 7.05 and 6.94, total sulfur analysis values of 0.37% and 6.43%, and NAPP values of -5.1 and -3.5.
GLOBAL GOLD PRICE VOLATILITY AND ITS CORRELATION TO RESOURCE AND RESERVE DYNAMICS AT PT MERDEKA COPPER GOLD TBK Utari Retno Sulistyo Rini; Fanteri Aji Dharma Suparno; Siti Aminah; Haeruddin
INTAN Jurnal Penelitian Tambang Vol. 8 No. 2 (2025): INTAN: Jurnal Penelitian Tambang
Publisher : Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v8i2.346

Abstract

Gold (Au) commonly occurs as nuggets or grains in rock veins and alluvial deposits. Because of its scarcity, chemical stability, and distinctive properties, gold commands higher market prices than base metals. Global gold price volatility has a significant impact on the strategic decisions of mining companies. This study aims to quantify the correlation between international gold price fluctuations and the dynamics of gold resources and reserves at PT Merdeka Copper Gold Tbk. Using a quantitative approach, the average gold prices and the company's annually reported resource and reserve figures were analyzed. The Pearson correlation coefficient was employed to measure the strength and direction of the relationship. The results reveal a robust and statistically significant negative correlation. This inverse relationship suggests that periods of high price volatility are associated with a decrease in the company's reported gold resources and reserves. The findings highlight the significant impact of external market dynamics on resource management. It is recommended that stakeholders incorporate market volatility forecasts into long-term strategic planning and resource valuation models to enhance resilience.
Kajian Investigasi Potensi dan Eksplorasi Morfologi Gumuk di Kabupaten Jember Menggunakan Penginderaan Jauh: Indonesia Irawan, Januar Fery; Haeruddin; Aminah, Siti; Aji DS, Fanteri; Ulum, Miftakhul
Asian Journal of Innovation and Entrepreneurship Volume 08, Issue 02, May 2024
Publisher : UII

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ajie.vol8.iss2.art2

Abstract

Hummock is a typical morphology that is not found anywhere except in the active mountains. This uniqueness is due to the isolated hill shape with plain morphology formed in the geological setting. The existence of Gumuks dissiminated in Jember has been mined, causing their numbers to decrease drastically. Hummock in Jember district has a unique hill-shaped landscape with a height of over 2 meters. Hummocks in Jember are arranged from Raung Mount to the southwest to Jember Regency. There are several types (three) types of dunes that differ from the type of rock contained, namely rock dunes, coral dunes and sand dunes. At this moment, the existence of Hummock has been partially used for building material needs. The problem faced now is that the potential for piles other than as a building material requirement has not yet been researched. Therefore, effective management is needed through the identification of potential dunes through green mining research so that environmental problems are minimized when dune exploration is carried out. The purpose of this study was to find a green mining-based dune exploration technology, so that the treatment of each dune can be carried out appropriately. The stages of the research were carried out by observing the images. After the observations are made, field data is needed to validate and verify the pattern of dune. The research used remote sensing with guided techniques based on data in the field and geological maps. Based on remote sensing results it was found that there were 4 Classes in Land Use Change after Mining Operation carried out by people around the mine site.
Pengaruh Konsistensi Kolom Stemming Terhadap Fragmentasi Batuan Hasil Peledakan Supriyatna, Anjana; Aminah, Sitti; Haeruddin, Haeruddin
Mining Science And Technology Journal Vol 4 No 2 (2025): Mining Science and Technology Journal
Publisher : Program Studi Teknik Pertambangan, Fakultas Teknik, Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54297/minetech-journal.v4i2.1201

Abstract

Konsistensi kolom stemming merupakan salah satu faktor yang mempengaruhi dampak kegiatan peledakan. Stemming yang efektif mengurangi tingkat ledakan udara dan mengoptimalkan fragmentasi, yang berkontribusi pada efisiensi operasional dan produktivitas secara keseluruhan. Lokasi penelitian dilakukan di PT Nusantara Swadesi Mining Purwakarta, Jawa Barat yang memiliki permasalahan dalam memenuhi target produksinya. Oleh karena itu, maka perlu dilakukan penelitian terbaru mengenai stemming dalam kegiatan peledakan. Konsistensi stemming sangat penting dalam kegiatan peledakan karena mencegah fly rock, fragmentasi yang lebih baik, dan lain-lain. Stemming yang kurang maksimal selain memiliki dampak fly rock juga mengakibatkan air blast, dan bongkahan batu (boulder). Penilitian ini bertujuan untuk menganalisis dampak konsistensi kolom stemming terhadap hasil peledakan dan rekomendasi geometri peledakan berdasarkan teori R.L. Ash dan vertical energy distribution (VED). Pada penilitian ini dilakukan untuk memperoleh hasil fragmentasi batuan dan analisis regresi serta korelasi mengenai stemming dengan hasil fragmentasi untuk mengetahui hubungannya, yaitu memiliki tingkat hubungan yang sedang. Geometri peledakan yang baik, termasuk panjang dan konsistensi stemming, dapat mempengaruhi distribusi tekanan dan energi ledakan, sehingga menghasilkan fragmentasi batuan yang optimal dan konsisten. Usulan rancangan geometri peledakan berdasarkan teori R.L. Ash dan vertical energy distribution (VED) adalah burden 2,93 m, spasi 3,66 m, kedalaman lubang ledak 8,79 m, stemming 2,93 m, powder column 5,86 m, subdrilling 0,88 m, tinggi jenjang 7,91 m, VED 66%, dan RC 2,75 dengan menggunakan bahan peledak DABEX73. Peledakan yang dilakukan dengan nilai RC kurang dari 1,4 dengan VED kurang dari 80%, maka hasil peledakan cenderung tidak optimal. Hal ini berisiko menimbulkan beberapa masalah teknik seperti fragmentasi yang buruk, fly rock, produktivitas menurun, dan penggunaan bahan peledak menjadi kurang ekonomis.
Co-Authors Agus Triono Aji DS, Fanteri Di Ajeng Arum Kusuma Difan Tri Andalas Emanuel G. Manek Eriska Saputri Fachruzaki, Fachruzaki Fahreza Nanda Pristanto Fanteri Aji Dharma Suparno Firman Sabila Hadziqul Abror I Made Tirta Januar Fery Irawan Khusmiawati, Yunita Kurnia Dewi Mulyani Midiawati, Erni Miftakhul Ulum, Miftakhul Muhammad Bayu Ardyansyah Nur Faizin Rachmad Kurnia Ramadhantio Mycharoka Rina Lestari Riska Laksmita Sari Sartika Purwandari Siti Aminah SITI AMINAH Siti Aminah Siti Fatmawati Supriyatna, Anjana Utari Retno Sulistyo Rini Welayaturromadhona Yuliani Setia Dewi