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All Journal Jurnal Ilmiah Giga Abdi Masyarakat Jurnal Pengabdian Mandiri MINERAL
Melinda Dwi Erintina
Universitas Muhammadiyah Mataram
Humanities Earth & Planetary Sciences Education Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Social Sciences Other

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Identifikasi Lapisan Akuifer Menggunakan Resistivity Method 1-dimensi di Dusun Karang Bayan, Parampuan, Kabupaten Lombok Barat Melinda Dwi Erintina; Aji Syailendra Ubaidillah; Andi Faesal; Agus Kurniawan
Jurnal Ilmiah Giga Vol 25, No 2 (2022): Volume 25 Edisi 2 Tahun 2022
Publisher : Universitas Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47313/jig.v25i2.1932

Abstract

This study aims to identify aquifer layer at Karang Bayan Village, Parampuan, Lombok Barat District. Aquifer layer is the layer that can store and bring the water because it has high rock porosity. The method used in this study was resistivity method with Schlumberger Configuration. This study used 2 measurement points, namely point 1 and point 2. Each of points has the value of (AB/2) = 300meter. Data were analysed and processed by using software Progress resulting the variation of resistivity value vertically. The result at point 1 shows the aquifer layer is at depth 86.30-128 meters and identified as sandstone with resistivity value 56.50 Ωm. The result at point 2 shows the aquifer layer is at depth 86-128 meter and identified as sandstone with resistivity value 20.28 Ωm.
PEMANFAATAN AIR TANAH MELALUI PEMETAAN LAPISAN AKUIFER MENGGUNAKAN RESISTIVITY METHOD KONFIGURASI SCHLUMBERGER DI GUNUNG PENGSONG, LOMBOK BARAT Melinda Dwi Erintina; Aji Syailendra Ubaidillah; Andi Faesal
JURNAL PENGABDIAN MANDIRI Vol. 1 No. 9: September 2022
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Air merupakan komponen utama yang diperlukan oleh manusia. Masyarakat di Gunung Pengsong, Lombok Barat membuat sumur galian tanpa adanya informasi dasar sehingga kualitas dan kuantitas air yang didapatkan tidak cukup baik. Sebuah metode geofisika digunakan untuk mencari potensi air (akuifer air tanah) dengan menggunakan 1 titik pengukuran. Metode geofisika yang digunakan adalah resisitvity method dengan konfigurasi sclumberger. Informasi terkait lapisan akuifer dan kedalaman sumur bor yang harus dibuat telah disosialisasikan kepada masyarakat Gunung Pengsong, Lombok Barat. Lapisan akuifer berupa lapisan pasir lempung berada pada kedalaman 66,51-98 meter, sehingga ke depannya masyarakan dan perangkat desa bekerjasama dengan pihak pemerintah kabupaten untuk membuat sumur bor dengan kedalaman lebih dari 66,51meter untuk mendapatkan kualitas dan kuantitas air yang baik.
Estimasi Sumberdaya Andesit dan Breksi Piroklastik Sebagai Bahan Konstruksi PT. Tepat Guna Referindo Lombok Timur Rukayah Rukayah; Aji Syailendr; Melinda Dwi Erintina
MINERAL Vol 9 No 1 (2024): MINERAL
Publisher : Jurusan Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v9i1.5425

Abstract

Estimate of andesite and pyroclastic breccia resources at PT Tepat Guna Reforindo has been carried out. Which is an area with potential for non-metallic mining materials. This research was carried out using the Civil 3D Gridding method. One of the non-metallic minerals found in East Lombok district is andesite rock and pyroclastic breccia. The research was carried out using petrological analysis methods to obtain rock types and estimate the availability of minerals and sieve analysis to obtain density values at the research location. Based on the results of petrological analysis, it shows that the sample is a type of andesite rock and also breccia. However, the presence of all samples is dominated by andesite rock samples which are abundant in 95% of the exploration area. Based on the results estimation of andesite rock resources from geological modeling and calculations using the Civil 3D Gridding method from A-B at an elevation of 100-40 meters above sea level, it was found that the measured resource of andesite rock units had a volume of 492,638.108 m3 and resource of pyroclastic breccia rock units had a volume of 738,957.162 m3, results of the analysis of the average rock density of 2.74 g/cm3, then the tonnage of the andesite unit is 1,302,781.480 tons and the pyroclastic breccia tonnage is 1,998,879.120 tons.
PEMANFAATAN METODE RESISTIVITAS SATU DIMENSI UNTUK IDENTIFIKASI POTENSI AIR TANAH DI DUSUN KARANG BAYAN, PARAMPUAN, LOMBOK BARAT Melinda Dwi Erintina; Aji Syailendra Ubaidillah; Andi Faesal
JURNAL PENGABDIAN MANDIRI Vol. 3 No. 3: Maret 2024
Publisher : Bajang Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53625/jpm.v3i3.7604

Abstract

Jumlah penduduk di Dusun Karang Bayan, Lombok Barat yang meningkat sejalan dengan kebutuhan air bersih yang juga meningkat. Masyarakat di dusun tersebut tidak memiliki informasi dan pengetahuan awal terkait kedalaman sumur untuk mendapatkan kualitas air bersih yang baik. Kebanyakan masyarakat membuat sumur gali dengan kedalaman ±4 meter. Sebuah metode geofisika digunakan untuk mencari potensi air tanah di dusun tersebut. Pengukuran dilakukan di 2 titik yang berbeda untuk menemukan lapisan akuifer. Hasil pegolahan data menunjukkan kedalaman lapisan akuifer berada pada 86-128 meter sehingga ke depannya masyarakan dan perangkat desa bekerjasama dengan pihak pemerintah kabupaten untuk membuat sumur bor dengan kedalaman lebih dari 86 meter agar mendapatkan kualitas dan kuantitas air yang baik.
Rinjani Global Geopark Education for Mataram Muhammadiyah Middle School Students Hidayat, Syamsul; Erintina, Melinda Dwi; Ubaidillah, Aji Syailendra
Abdi Masyarakat Vol 6, No 2 (2024): Abdi Masyarakat
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/abdi.v6i2.8153

Abstract

Management and utilization of Geoparks as a unity of geological, biological and cultural diversity will be achieved optimally if all stakeholders are involved. This service activity aims to provide Rinjani-Lombok Global Geopark (RLGG) education to Muhammadiyah Mataram Middle School students as an effort to help encourage the implementation of the RLGG educational mission to school-age youth in Mataram City. The methods applied in this service activity include needs analysis and location selection, presentation of material about RLGG to students as well as questions and answers or student responses related to educational material. In educational activities, it was conveyed that the richness/diversity in the geopark area is divided into 3 large elements, namely geological diversity, biodiversity and cultural diversity. Geoparks as a means of public education are carried out to provide an understanding of the unique geology, biology and culture as well as an understanding of the importance of conservation. Education about RLGG for junior high school students is carried out to provide understanding and give birth to a love of nature and its surroundings, a love of natural sciences and a medium for cultivating Tawheed towards Allah SWT. Sites (Geodiversity) in the RLGG Environment are sites that are associated with geological phenomena.
The Analisis Pengaruh Morfologi Terhadap Ketebalan dan Zona Pengkayaan Endapan Nikel Laterit PT. X di Desa Ganda-Ganda, Morowali Utara, Provinsi Sulawesi Tengah Susanto, Dira; Erintina, Melinda Dwi; Ubaidillah, Aji Syailendra; Faesal, Andi; Hidayat, Syamsul; Ilham, Ahmad Imam Ananda
Jurnal Ilmiah Giga Vol. 27 No. 2 (2024): Volume 27 Edisi 2 Tahun 2024
Publisher : Universitas Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47313/jig.v27i2.3926

Abstract

Nikel laterit adalah proses oksidasi atau pelapukan batuan ultramafik pembawa Ni-Silikat umunya di daerah sub tropis-tropis. Penelitian ini bertujuan untuk mengetahui pengaruh morfologi terhadap ketebalan dan zona pengkayaan endapan nikel laterit. Metode penelitian mencakup studi literatur; Mengamati morfologi dan mengumpulkan sampel bawah perkmukaan; analisis laboratorium menggunakan fluoresensi sinar X (XRF); dan analisis data. Hasil penelitian menjelaskan morfologi pada lokasi penelitian termasuk perbukitan rendah/perbukitan memiliki slope agak landai-landai dengan ketebalan lapisan ore yang relatif tebal yaitu 10-13 meter dan slope agak curam-curam ketebalan lapisan ore relatif tipis yaitu 5-12 meter. Distribusi kandungan unusr Fe dan Ni meningkat pada morfologi perbukitan rendah/perbukitan dengan slope yang agak landai-agak curam dengan rata-rata unsur Fe 41.1-31.1% dan unsur Ni dengan rata-rata 1.4-1.3% sedangkan slope yang curam unsur Ni rendah dengan rata-rata 1.1% dimana morfologi mempunyai peran/pengaruh terhadap pelapukan dan pengayaan supergene enrichment sehingga air tanah yang mengandung nikel masuk melalui rekahan/celah batuan dan membawa unsur nikel turun ke lapisan saprolit, karena disebabkan unsur Ni sifatnya mobile/mudah larut terbawa oleh air. Sementara unsur Fe terjadi proses pengayaan di lapisan limonit disebabkan unsur Fe sifatnya immobile atau tidak dapat terbawa atau larut oleh air.
Estimasi Sumberdaya Andesit dan Breksi Piroklastik Sebagai Bahan Konstruksi PT. Tepat Guna Referindo Lombok Timur: Estimation of Andesite and Pyroclastic Breccia Resources as Construction Materials for PT. Tepat Guna Referindo East Lombok Rukayah, Rukayah; Syailendr, Aji; Erintina, Melinda Dwi
MINERAL Vol 9 No 1 (2024): MINERAL
Publisher : Program Studi Teknik Pertambangan Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/mineral.v9i1.5425

Abstract

Estimate of andesite and pyroclastic breccia resources at PT Tepat Guna Reforindo has been carried out. Which is an area with potential for non-metallic mining materials. This research was carried out using the Civil 3D Gridding method. One of the non-metallic minerals found in East Lombok district is andesite rock and pyroclastic breccia. The research was carried out using petrological analysis methods to obtain rock types and estimate the availability of minerals and sieve analysis to obtain density values at the research location. Based on the results of petrological analysis, it shows that the sample is a type of andesite rock and also breccia. However, the presence of all samples is dominated by andesite rock samples which are abundant in 95% of the exploration area. Based on the results estimation of andesite rock resources from geological modeling and calculations using the Civil 3D Gridding method from A-B at an elevation of 100-40 meters above sea level, it was found that the measured resource of andesite rock units had a volume of 492,638.108 m3 and resource of pyroclastic breccia rock units had a volume of 738,957.162 m3, results of the analysis of the average rock density of 2.74 g/cm3, then the tonnage of the andesite unit is 1,302,781.480 tons and the pyroclastic breccia tonnage is 1,998,879.120 tons.
Identifikasi Lapisan Akuifer Air Tanah menggunakan Metode Resistivitas di Dusun Puaringan, Desa Pelangan, Lombok Barat Erintina, Melinda Dwi; Sismanto, Sismanto; Ubaidillah, Aji Syailendra; Hidayat, Syamsul; Faesal, Andi; Munarfan, ZA; Hermansyah, Wahyu; Syarbini, Khatib; Dermawan, Iwan; Anggraeni, Juraedah Dwi; Gunawan, Hendra
Jurnal Ilmiah Giga Vol. 28 No. 1 (2025): Volume 28 Edisi 1 Tahun 2025
Publisher : Universitas Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47313/jig.v28i1.4241

Abstract

The aim of this study is to identify the groundwater aquifer layer using the resistivity method in Puaringan, Pelangan Village, West Lombok. The aquifer layer is a layer of rock that has the ability to store groundwater well. This layer also tends to have high porosity so that fluid/water is trapped in the layer. The resistivity method used is vertical electric sounding (VES). This method is effective in detecting the subsurface vertically. Data acquisition was carried out using two sounding points (S1 and S2). Sounding points S1 and S2 were processed using IP2WIN software to produce a picture of the subsurface rock layer. The results of the S1 point study showed that the groundwater aquifer layer was at a depth of 113-126 meters identified as a sandstone layer. The results of the S2 point study showed that the groundwater aquifer layer was at a depth of 105-198 meters identified as a sandstone layer.
Co-Authors Agus Kurniawan Anggraeni, Juraedah Dwi Dermawan, Iwan Faesal, Andi HENDRA GUNAWAN B11211055 Hermansyah, Wahyu Hidayat , Syamsul Ilham, Ahmad Imam Ananda Munarfan, ZA Rukayah Rukayah Rukayah Rukayah Sismanto Sismanto Susanto, Dira Syailendr, Aji SYAMSUL HIDAYAT Syarbini, Khatib Ubaidillah, Aji Syailendra