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Artykuły w czasopismach na temat „Mineral magnetic”

Autor: Grafiati

Data publikacji: 6 września 2023

Data aktualizacji: 31 lipca 2025

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1

Mulyana, Mulyana, Vistarani Arini Tiwow, and Sulistiawaty Sulistiawaty. "ANALISIS SUSEPTIBILITAS MAGNETIK TANAH TPA ANTANG MAKASSAR BERDASARKAN KEDALAMAN." ORBITA: Jurnal Kajian, Inovasi dan Aplikasi Pendidikan Fisika 8, no. 2 (2022): 234. http://dx.doi.org/10.31764/orbita.v8i2.11252.

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ABSTRAKAnalisis suseptibilitas magnetik pada tanah di TPA Antang Makassar berdasarkan kedalaman telah dilakukan. Studi ini bertujuan untuk menganalisis jenis mineral magnetik, domain magnetik, dan sumber mineral magnetik. Suseptibilitas magnetik diukur menggunakan alat Bartington MS2 Magnetic Susceptibility Meter dengan sensor MS2B yang bekerja pada dua frekuensi. Pengukuran suseptibilitas magnetik dilakukan dengan mengambil sampel pada lima titik dengan variasi kedalaman hingga 0-80 cm dari permukaan tanah. Hasil pengukuran menunjukkan bahwa nilai suseptibilitas magnetik di TPA Antang bervari

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Arifya, Eldiani, and Afdal Afdal. "Pemetaan Zona Potensi Emas Menggunakan Metode Geomagnet di Jorong Lubuak Sariak, Nagari Kajai, Pasaman Barat." Jurnal Fisika Unand 9, no. 4 (2021): 524–30. http://dx.doi.org/10.25077/jfu.9.4.524-530.2020.

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Penelitian untuk menentukan zona sebaran emas di Jorong Lubuak Sariak, Nagari Kajai, Kabupaten Pasaman Barat, Sumatra Barat telah dilakukan. Penelitian ini menggunakan metode magnetik pada daerah seluas 700 m2 dengan 70 titik. Hasil penelitian menunjukan emas berasosiasi dengan pirhotit dengan nilai suseptibilitas 0,00046-1,4 SI, pirit dengan suseptibilitas 0,000035-0,005 SI dan siderit dengan suseptibilitas magnetik 0,0013 – 0,011 SI yang merupakan mineral sulfida magnetik yang terdapat dalam batuan metamorf dan sedimen. Selain itu mineral emas juga beasosiasi dengan batuan beku intrusi yaitu

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-, Palkrisman, and Arif Budiman. "PEMETAAN PERSENTASE KANDUNGAN DAN NILAI SUSEPTIBILITAS MINERAL MAGNETIK PASIR BESI PANTAI SUNUR KABUPATEN PADANG PARIAMAN SUMATERA BARAT." Jurnal Fisika Unand 3, no. 4 (2024): 242–48. https://doi.org/10.25077/jfu.3.4.242-248.2014.

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ABSTRAKTelah dilakukan penelitian tentang pemetaan persentase kandungan dan nilai suseptibilitas mineral magnetik pasir besi Pantai Sunur Kabupaten Padang Â Pariaman menggunakan metode Anisotropy of Magnetic Susceptibility (AMS). Hasil perhitungan persentase kandungan mineral magnetik dari 55 sampel menunjukkan rentang nilai 6,5% hingga 61,3%. Hasil perhitungan suseptibilitas mineral magnetik dari 55 sampel menunjukkan rentang nilai 333,65 Ã— 10-8 m3/kg hingga 2883,67 Ã— 10-8 m3/kg, berdasarkan nilai ini dapat diperkirakan bahwa mineral utama penyusun pasir besi Pantai Sunur adalah hematit dan

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4

Tiwow, Vistarani Arini, Meytij Jeanne Rampe, Sulistiawaty Sulistiawaty, and Pariabti Palloan. "HUBUNGAN SUSEPTIBILITAS MAGNETIK DAN LOGAM BERAT PASIR BESI PANTAI SAMPULUNGAN, TAKALAR, SULAWESI SELATAN." ORBITA: Jurnal Pendidikan dan Ilmu Fisika 9, no. 2 (2023): 254. http://dx.doi.org/10.31764/orbita.v9i2.17326.

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ABSTRAKPantai Sampulungan merupakan salah satu pantai di Kabupaten Takalar, Sulawesi Selatan sebagai kawasan wisata. Aktivitas pengunjung di pantai ini dapat mempengaruhi kualitas pasir besi. Dengan demikian, perlu dilakukan investigasi sifat magnetik pasir besi dan hubungannya dengan logam berat. Studi ini bertujuan menganalisis sumber mineral magnetik serta hubungan suseptibilitas magnetik dan logam berat pasir besi Pantai Sampulungan. Pengukuran parameter magnetik seperti suseptibilitas magnetik menggunakan alat Bartington Susceptibility Meter dilengkapi sensor MS2B. Metode XRF digunakan un

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5

Boroallo, Anastacya, Vistarani Arini Tiwow, and Sulistiawaty Sulistiawaty. "STUDI MINERAL MAGNETIK TANAH TPA ANTANG MAKASSAR BERDASARKAN DATA SUSEPTIBILITAS MAGNETIK." ORBITA: Jurnal Kajian, Inovasi dan Aplikasi Pendidikan Fisika 9, no. 1 (2023): 16. http://dx.doi.org/10.31764/orbita.v9i1.11663.

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ABSTRAKTelah dilakukan penelitian untuk mengetahui nilai suseptibilitas magnetik pada tanah di TPA Antang Makassar berdasarkan sebaran. Suseptibilitas magnetik diukur menggunakanbartington MS2 Magnetic susceptibility meter dengan sensor MS2B yang bekerja pada dua frekuensi. Pengukuran suseptibilitas magnetik dilakukan dengan mengambil sampel pada 30 titik dengan jarak yang tidak ditentukan atau secara random. Hasil penelitian menunjukkan bahwa nilai suseptibilitas magnetik di TPA Antang Makassar bervariasi dengan rentang 1,442 m3/kg hingga 33,523 m3/kg dan suseptibilitas magnetik bergantung fr

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Didik, Lalu A., Isniwana Damayanti, Jumliati Jumliati, and Putri Dinda Alfadia Lestari. "Morphological Characteristics and Mineral Content Analysis of Magnetic Minerals Based on River and Coastal Sand using SEM-EDX." Jurnal Sains Dasar 10, no. 2 (2021): 44–50. http://dx.doi.org/10.21831/jsd.v10i2.42217.

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This study aims to analyze the mineral content and morphological characteristics of magnetic minerals based on coastal and river sand. Analysis of minerals content uses Atomic Absorption Spectroscopy (AAS) to determine the content of Fe and Energy Dispersive X-Ray (EDX) to determine the elements of magnetic minerals based on coastal and river sand. While the morphological characteristics were analyzed using Scanning Electron Microscope (SEM). Based on the AAS analysis, magnetic mineral based on coastal sand has higher Fe content (9.03 mg/gram) compared to magnetic mineral based on river sand (

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7

Tamuntuan, Gerald, Seni H. J. Tongkukut, and Guntur Pasau. "Analisis Suseptibilitas Dan Histeresis Magnetik Pada Endapan Pasir Besi Di Sulawesi Utara." Jurnal MIPA 6, no. 2 (2017): 105. http://dx.doi.org/10.35799/jm.6.2.2017.18008.

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Telah dilakukan pengukuran suseptibilitas dan hysteresis magnetic untuk mengetahui karakteristik magnetic endapan pasir besi pada beberapa lokasi di Sulawesi Utara. Lokasi pengambilan sampel dalam penelitian ini adalah tiga lokasi di pesisir timur semenanjung utara Pulau Sulawesi yaitu daerah Belang, Hais, dan Minanga, serta tiga lokasi di wilayah pesisir barat yaitu daerah Lalow, Inobonto, dan Lolan. Hasil yang diperoleh menunjukkan bahwa nilai suseptibilitas magnetic pada sampel-sampel pasir yang diukur bervariasi dari 7,73 × 10-8 m3kg-1 hingga 436,38 × 10-8 m3kg-1. Pengukuran suseptibilitas

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Hutabarat, Imelda, Maryono, Rudiyansah, Dikri Fajar Ramadan, and Koko Wigyantoro. "Indonesian Tungsten Mineralogy and Processing Concept." E3S Web of Conferences 543 (2024): 01005. http://dx.doi.org/10.1051/e3sconf/202454301005.

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Tungsten minerals which are major as Wolframite and Scheelite mineral are by-product minerals of Tin mineral known as Cassiterite. Tin minerals are mostly found in Bangka Island which is one of the islands in the Southeast Asian tin belt that makes Indonesia the largest Tin (Sn) producer in the world. This research aims to characterize the mineralogy of Tungsten and associated minerals for potential mineral processing to gain the Tungsten concentrates. The Tungsten minerals were collected from the eastern edge of Klabat Granite in Toboali District, South Bangka. The Tungsten minerals were magn

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9

Khuzaima, Nur, Khairel Rafezi, Nur Hidayah Ahmad Zaidi, M. K. R. Hashim, and Sheikh Abdul Rezan. "Minerals Characterization of Magnetic and Non-Magnetic Element from Black Sand Langkawi." Solid State Phenomena 280 (August 2018): 440–47. http://dx.doi.org/10.4028/www.scientific.net/ssp.280.440.

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Valuable minerals are defined as mineral which having good opportunities to economic and consireable important. The most commonly occurring sand mineral deposits are ilmenite, rutile, magnetite, cassiterite, monazite, tourmaline, zircon, kyanite, silimanite, and garnet. In Malaysia, mineral sand deposits is found in Langkawi which known as black sand Langkawi. Langkawi black sand having high amount of valuable minerals that is very crucial in the industrial and construction products. Characterizations of black sand acquire different techniques to concentrate and separate valuable minerals. The

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10

Wang, Weiwei, Erdou Li, Zhengyao Li, Weiyao Zhu, and Yuanyuan Wang. "Recovery of Xenotime and Florencite from Silicate Minerals Using a Combined Technique of Magnetic Separation and Flotation." Minerals 14, no. 11 (2024): 1073. http://dx.doi.org/10.3390/min14111073.

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Xenotime (YPO4), a significant phosphatic minerl rich in heavy rare earth elements (HREEs), typically associates with granitic rocks, exemplified in the Wolverine rare earth deposit in Australia. A mineral composition analysis indicates that the primary valuable minerals in the deposit are principally xenotime and minor florencite, with quartz and illite as the main gangue minerals, showing a relatively simple mineral composition. The grade of rare earth concentrate was increased to 14.29% and the recovery reached 94.48% through the magnetic separation pre-enrichment test. However, a high-grad

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Gunawan, Hendry, and Arif Budiman. "PENENTUAN PERSENTASE DAN NILAI SUSEPTIBILITAS MINERAL MAGNETIK BIJIH BESI YANG BERASAL DARI TIGA LOKASI TAMBANG BIJIH BESI DI SUMATERA BARAT." Jurnal Fisika Unand 3, no. 4 (2024): 249–54. https://doi.org/10.25077/jfu.3.4.249-254.2014.

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ABSTRAKTelah dilakukan penelitian untuk menentukan persentase mineral magnetik dan nilai suseptibilitas magnetik dari sampel bijih besi dari tiga lokasi tambang di Sumatera Barat.Tiga lokasi tambang tersebut terletak di Kecamatan Asam Jujuhan Kabupaten Dharmasraya, Kecamatan Sangir Balai Janggo Kabupaten Solok Selatan dan Kecamatan Tigo Lurah Kabupaten Solok.Suseptibilitas magnetik diukur dengan Bartington MS2 Magnetic Susceptibility Meter dengan MS2B dual frequency sensor.Pengukuran suseptibilitas magnetik dilakukan pada 15 arah.Hasil penelitian menunjukkan bahwa nilai rata-rata persentase mi

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12

Ponomarenko, O. "Method for Transformation of Weak Magnetic Minerals (Hematite, Goethite) into Strong Magnetic Mineral (Magnetite) to Improve the Efficiency of Technologies for Oxidized Iron Ore Beneficiation." Science and innovation 11, no. 2 (2015): 31–34. http://dx.doi.org/10.15407/scine11.02.031.

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Tanauma, Adey, and Ferdy Ferdy. "POTENSI SUMBERDAYA ALAM PASIR BESIPANTAI ARAKAN KABUPATEN MINAHASA SELATAN." JURNAL ILMIAH SAINS 15, no. 1 (2011): 225. http://dx.doi.org/10.35799/jis.11.2.2011.211.

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POTENSI SUMBERDAYA ALAM PASIR BESIPANTAI ARAKAN KABUPATEN MINAHASA SELATAN Adey Tanauma1) dan Ferdy1) 1)Program Studi Fisika FMIPA Universitas Sam Ratulangi, Manado 95115 ABSTRAK Pasir besi merupakan salah satu sumberdaya alam di Sulawesi Utara yang belum dimanfaatkan secara optimal. Salah satu lokasi yang cukup potensial untuk mendapatkan endapan pasir besi ini adalah pesisir pantai Arakan. Penelitian ini bertujuan untuk menentukan sifat-sifat magnetik endapan pasir besi yang terdapat di pesisir Pantai Arakan kabupaten Minahasa Selatan Provinsi Sulawesi Utara. Suseptibilitas magnetik dan magn

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Prasetyo, Ihsan Junira, Hamdi Rifai, Syafriani Syafriani, and Rizaldi Putra. "Morphological Characteristics and Elemental Composition of Magnetic Minerals from the Volcanic Activity of Lake Maninjau Sediments." Trends in Sciences 19, no. 8 (2022): 3428. http://dx.doi.org/10.48048/tis.2022.3428.

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Lake Maninjau has formed by the eruption of the Maninjau volcano, which spewed volcanic material to various places. This volcanic material contains various mineral-forming elements, one of which are magnetic minerals that accumulate in lake sediments. This research aims to determine the morphological characteristics and composition of magnetic mineral elements from volcanic activity in the sediments of Lake Maninjau, Agam Regency, Indonesia. Characteristics of morphological and composition of magnetic mineral elements originating from volcanic activity can describe volcanic eruptions in the pa

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Basuki, Rajab, Nanang Dwi Ardi, and Mimin Iryanti. "Analisis Sebaran Mineral Logam Pada Sedimentasi Batuan Di Daerah Kertajadi, Cidaun, Kabupaten Cianjur, Jawa Barat Menggunakan Metoda Geomagnet." Wahana Fisika 2, no. 1 (2017): 37. http://dx.doi.org/10.17509/wafi.v2i1.7019.

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Cidaun merupakan salah satu daerah pesisir pantai selatan yang terletak pada Kabupaten Cinajur Provinsi Jawa Barat. Salah satu kelebihan dari daerah pesisir pantai selatan Pulau Jawa adalah terdapat banyaknya mineral logam penghasil besi yang tersebar luas di sepanjang pesisir pantai. Oleh karena itu dilakukanlah eksplorasi untuk memetakan sebaran mineral logam yang ada di daerah Cidaun. Dalam melakukan eksplorasi mineral logam dibutuhkan suatu metode yang paling efektif yaitu eksplorasi geofisika dengan menggunakan metode geomagnet. Proses pengolahan data pada metode geomagnet dilakukan denga

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Chen, Ci Yun, Shu Ming Wen, Yong Jun Xian, Qi Cheng Feng, and He Fei Zhao. "Recovery of Iron from Tailings of Yangla Copper Ore by Magnetic Separation." Advanced Materials Research 634-638 (January 2013): 3442–45. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.3442.

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Against the dwindling status of mineral resources at present, effective recycling of tailings resources is an effective way to alleviate the shortage of resources, and to improve enterprise efficiency. This study was aimed to recover iron from tailings of Yangla copper ore, Fe content of which was 15.31%, and the content of strong magnetic iron mineral was about 11%. Considering low content of weak magnetic iron mineral and its complex and costly recovery process, weak magnetic iron mineral did not be recovered, so strong magnetic iron mineral was only recovered in this study. Under no grindin

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Roberts, Andrew P. "Magnetic mineral diagenesis." Earth-Science Reviews 151 (December 2015): 1–47. http://dx.doi.org/10.1016/j.earscirev.2015.09.010.

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Vistarani, Arini Tiwow, Arsyad Muhammad, Sulistiawaty, Jeanne Rampe Meytij, and Indira B. Tiro Winda. "Analysis of Magnetic Mineral Types of Iron Sand at Sampulungan Beach, Takalar Regency Based on Magnetic Susceptibility Values." Materials Science Forum 967 (August 2019): 292–98. http://dx.doi.org/10.4028/www.scientific.net/msf.967.292.

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Analysis on magnetic minerals of iron sand in Sampulungan Beach, Takalar Regency based on magnetic susceptibility value has been conducted. Iron sand was taken on 30 points and extracted using a rod magnet, then measured magnetic susceptibility using Bartington susceptibility meter MS2 with the MS2B sensor. Furthermore, types of magnetic minerals were analyzed based on the value of magnetic susceptibility. The results showed that the percentage of magnetic mineral was higher along the trajectory near residential areas. Magnetic susceptibility values ranged from 33932.62 x 10-8 m3/kg to 71829.9

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Sudarningsih, Sudarningsih, Fahruddin Fahruddin, Tetti Novalina Manik, and Dzikri Dzikri. "Morphological Study of Surface Magnetic Minerals, Case Study of North Banjarmasin Settlement Areas." Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat 21, no. 3 (2024): 206. https://doi.org/10.20527/flux.v21i3.20532.

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We have conducted research to identify the morphology of magnetic minerals from the land in the Banjarmasin regional settlement area. We used scanning electron microscopy and energy dispersive X-ray spectroscopy (SEM EDS) on the soil sample to look at the shape of its magnetic minerals. In nature, magnetic minerals can indicate the presence of heavy metals. The shape of a magnetic mineral can reveal its origin in either the litogenic or anthropogenic processes. There were mostly pseudo-single domain grains (3.29–10 m) and multidomain grains (> 10–134.69 m) in the study area. The multidomain

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Kim, Kwanho, and Soobok Jeong. "Separation of Monazite from Placer Deposit by Magnetic Separation." Minerals 9, no. 3 (2019): 149. http://dx.doi.org/10.3390/min9030149.

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In this study, mineralogical analysis and beneficiation experiments were conducted using a placer deposit of North Korea, on which limited information was available, to confirm the feasibility of development. Rare earth elements (REEs) have vital applications in modern technology and are growing in importance in the fourth industrial revolution. However, the price of REEs is unstable due to the imbalance between supply and demand, and tremendous efforts are being made to produce REEs sustainably. One of them is the evaluation of new rare earth mines and the verification of their feasibility. A

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Tiwow, Vistarani Arini, Muhammad Arsyad, Pariabti Palloan, et al. "ESTIMATION OF MINERALOGICAL, MORPHOLOGICAL, AND MAGNETIC PROPERTIES OF THE MINERAL SEDIMENTS OF GUANO CAVES IN THE KARST AREA." Journal of Chemical Technology and Metallurgy 60, no. 2 (2025): 275–85. https://doi.org/10.59957/jctm.v60.i2.2025.9.

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Guano sediments can record environmental changes in caves and be investigated through the magnetic mineral properties contained therein. The properties of magnetic guano depend on the type, concentration, shape and size of the magnetic mineral grains. These properties can provide clues to the cave-forming environment, both lithogenic and anthropogenic influences. Therefore, this study aims to analyse the magnetic properties, mineralogy, and magnetic mineral morphology of guano sediments in caves in the karst region of Maros, Indonesia, especially Bat caves and Dream caves. Guano samples were t

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Hasria, Muhammad Hasir, Tian Agustina, and La Ode Ngkoimani. "Studi Kajian Literatur Mengenai Suseptibilitas Mineral Batuan." Einstein's: Research Journal of Applied Physics 2, no. 1 (2024): 6–9. http://dx.doi.org/10.33772/einsteins.v2i1.444.

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Kajian literature suseptibilitas magnetic terhadap frekuensi pada mineral batuan. Tujuan kajian lieratur ini adalah mengidentifikasi mineral magnetik yang dominan berdasarkan data suseptibilitas magnetik dan menganalisis sumber mineral magnetic berdasarkan suseptibilitas magnetik. Penelitian dilakukan dengan menggunakan metode studi literature dimana peneliti mencari berbagai penelitian di wilayah Indonesia yang menggunakan metode suseptibilitas batuan sebagai metode penelitian primer. Metode suseptibitas batuan memiliki manfaat yang luas dalam berbagai bidang penelitian dan mengkarakterisasi

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Susilawati, Susilawati, Aris Doyan, Muhammad Taufik, et al. "Identifikasi Kandungan Fe Pada Pasir Besi Alam Di Kota Mataram." Jurnal Pendidikan Fisika dan Teknologi 4, no. 1 (2018): 105. http://dx.doi.org/10.29303/jpft.v4i1.571.

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The research on coastal sand in Mataram-Lombok city, located at several beaches, namely, Gading, Loang Baloq, Penghulu Agung, and Ampenan, is to determine the percentage of magnetic mineral content, metal content, and oxide mineral composition contained on those sand. Iron is a sediment containing magnetite (Fe3O4), maghemit (γ-Fe2O3) and hematite (α-Fe2O3) as the main mineral and several other minerals as a supporting mineral. Magnetic separation of natural sand by using a permanent magnet successfully separates the magnetic parts (iron sand) and non-magnetic. The separation results were then

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Xie, Xian, Zi Xuan Yang, Xiong Tong, and Ji Yong Li. "Research on Exploration of Mineral Processing for a Iron Ore." Advanced Materials Research 1094 (March 2015): 397–400. http://dx.doi.org/10.4028/www.scientific.net/amr.1094.397.

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Iron ore minerals are mainly silicate-type iron minerals in raw ore, and its distribution rate was 51.93%; followed by magnetic iron, and its distribution rate was 36.81%; content and distribution rate of other minerals was very low; element grade of iron, phosphorus, sulfur, silica were 11.90%, 0.043%, 0.013% and 45.23%, the main gangue were silica and calcium oxide, recyclable iron minerals mainly is magnetic iron mineral. Due to the grade of iron of raw ore and the amounts of optional magnetite was relatively little, in order to investigate the optional of low-grade ore, weak magnetic separ

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Lakshmipatiraju, A., and L. Srinivasa Rao. "Heavy Mineral Concentration on the Visakhapatnam - Konada Coast as Evidenced by Magnetic Susceptibi1ity and Radioactivity." Journal Geological Society of India 47, no. 6 (1996): 717–24. http://dx.doi.org/10.17491/jgsi/1996/470607.

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Abstract Magnetic susceptibility, radioactivity, bulk density (?) and texture of black sands from the Visakhapatnam-Konada belt on the east coast of India were studied. The sands are fine-grained and well sorted with a nearly symmetrical distribution. Mass susceptibility (?) and radioactivity (R.A.) are related to weight percentage of magnetic minerals and grain percentage of radioactive minerals respectively. The magnetic fraction is made up of magnetite and ilmenite. The radioactive minerals present in the sands are monazite and rarely zircon. Susceptibility and R.A. of finer sieve fractions

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Silveira, Vitor E. P., Natália B. dos Santos, Daniel R. Franco, et al. "Environmental magnetism evidence for longshore drift distribution of Fe-bearing phases: An example from the Brazilian southeastern coastal region." Journal of Sedimentary Research 91, no. 11 (2021): 1133–50. http://dx.doi.org/10.2110/jsr.2020.089.

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ABSTRACT The accumulation of heavy minerals along a part of the southeastern Brazilian coast (northern coast of Rio de Janeiro State, Brazil) provides insight into sedimentary provenance and transport by longshore drift. In particular, recent work has focused on heavy minerals as tracers to determine sedimentary sources and transport pathways, indicating a mineral distribution according to the northward and southward coastal transport cells. There is also evidence of heavy-mineral transport by the Paraíba do Sul River. However, research has not been done in this area on the opaque fraction (ir

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Manurung, Dwi Putri K., Dini Fitriani, Eleonora Agustine, Kartika Hajar Kirana, and Petrus Ardi Tama. "Magnetic and Morphological Characterization of Magnetic Minerals from Sarimukti Landfill." Jurnal Penelitian Pendidikan IPA 11, no. 6 (2025): 371–82. https://doi.org/10.29303/jppipa.v11i6.11229.

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Sarimukti landfill serves as a waste disposal site. Leachate generated from waste accumulation is discharged through pipelines into multiple retention ponds. This study aims to assess contamination levels in leachate deposits by analyzing the magnetic properties and morphology of magnetic minerals collected from four retention ponds, along with measurements of pH, EC, and TDS in the pond water. Magnetic susceptibility values range from 37.4 – 409.5 (×10⁻⁸) m³/kg, indicating ferrimagnetic mineral dominance. The values range from 0.81% - 5.96%, where >2% is often associated to pollutant-conta

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Firmansyah, Fikri, and Arif Budiman. "Pendugaan Mineralisasi Emas Menggunakan Metode Magnetik di Nagari Lubuk Gadang Kecamatan Sangir, Solok Selatan, Sumatera Barat." Jurnal Fisika Unand 8, no. 1 (2019): 77–83. http://dx.doi.org/10.25077/jfu.8.1.77-83.2019.

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Telah dilakukan penelitian tentang pendugaan mineralisasi emas di Nagari Lubuk Gadang, Kecamatan Sangir, Solok Selatan, Sumatera Barat. Penelitian ini menggunakan metode magnetik dengan tahapan yaitu akuisisi data lapangan, pengolahan data dan interpretasi data. Alat yang digunakan adalah Earth Magnetometer EM2 (Microteslas) AlphaLab.Inc. Perangkat lunak yang digunakan untuk membuat peta kontur adalah software Surfer 11 dan pemodelan 2D menggunakan software Mag2dc. Pengukuran medan magnetik dilakukan pada 50 titik pengamatan dengan luas daerah 670 m2. Hasil penelitian menunjukkan bahwa ditemuk

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Rahmanb, Md Aminur, Pradip Kumar Biswasb, Mohammad Nazim Zamanb, Md Yunus Miah, Tofazzal Hossain, and SM Imamul Huq. "Characterization of the sand of Brahmaputra river of Bangladesh." Bangladesh Journal of Scientific and Industrial Research 47, no. 2 (2012): 167–72. http://dx.doi.org/10.3329/bjsir.v47i2.11448.

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The aim of this paper is to study on the mineralogy, morphology, magnetic property and composition of the sand of Brahmaputra River, Bangladesh. The sand has been collected from randomly selected seven places and separated by High Intensity Rolling Magnetic Separator into three fractions, viz. magnetic, para-magnetic and non-magnetic parts. The identifications of the valuable heavy minerals existing in these fractions have been performed. The valuable heavy minerals in the separated fractions have been counted under reflected and polarizing microscope and it is found that the magnetic fraction

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Cavanough, G., and P. N. Holtham. "Rapid Characterization of Magnetic Separator Feed Stocks in Titanium Minerals Processing." Physical Separation in Science and Engineering 13, no. 3-4 (2004): 141–52. http://dx.doi.org/10.1080/14786470412331308033.

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Magnetic separation is widely used in the processing of titanium minerals. The expected mineral recoveries are assessed by performing laboratory magnetic separations of representative samples to determine the distribution of magnetic components. This is an inherently slow process performed on relatively small samples. This paper describes the development of an inductance based device to rapidly determine the mass distribution of the magnetic properties of a titanium mineral sample. The system is best described as an hourglass with mineral flowing from a hopper through a small inductance coil.

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Chen, Yong, Yong Sheng Song, Gui Ying Zhou, and Wen Juan Li. "Recovery Pb, Zn and S from a Chinese Lead-Zinc Mine Beneficiation Plant Tailing." Advanced Materials Research 997 (August 2014): 583–86. http://dx.doi.org/10.4028/www.scientific.net/amr.997.583.

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Detailed characterisation and recovery of galena, sphalerite, and pyrrhotite from the beneficiation plant tailing of YouXi, China, was investigated. Different characterisation techniques viz. size analysis, chemical analysis, mineral analysis by Mineral Liberation Analyser（MLA）were carried out. Based on the appreciable differences in specific gravity, floatability and magnetic susceptibility between the desired lead, zinc, sulphur minerals and the gangue minerals, the flow sheets comprising desliming, flotation and magnetic separation, was used to recover galena, sphalerite, and pyrrhotite val

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Bilalodin, Bilalodin. "KAJIAN SIFAT MAGNETIK DARI PASIR BESI PANTAI LOGENDING KABUPATEN KEBUMEN." Molekul 5, no. 2 (2010): 105. http://dx.doi.org/10.20884/1.jm.2010.5.2.83.

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Study on magnetic properties of iron sand on the Logending beach sand has been done. The research aims to identify the mineral content and characterization of magnetic properties on the Logending beach sand. The irond sand samples taken from the Logending beach with several lokation. Sand then dried, determined density and magnetic content is separated using a permanen magnet. The iron sand were analyzed using XRD ( X-ray difraction) and characterization of magnetic properties using the VSM (Vibrating sample magnetometer). The research shows that minerals are contained hematit (Fe2O3), with a

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Jordanova, Neli, and Diana Jordanova. "Thermomagnetic analysis applied for identification of lithogenic and pedogenic iron oxides in topsoils from Bulgaria." GeoStudies 1 (May 21, 2024): 27–42. https://doi.org/10.3897/geostudies.1.e115530.

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Identification of magnetic minerals, which determine the magnetic properties of natural rocks, sediments and soils, is of crucial importance for any further interpretation of their magnetic signature in environmental or paleogeographical context. One of the major and widely used methods for determination of kind of magnetic phases in natural materials is by obtaining the Curie/Neel temperature of the respective magnetic mineral. In this contribution, we report a set of thermomagnetic measurements of high-temperature behavior of magnetic susceptibility for topsoils from the territory of Bulgari

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GHABRU, S. K., R. J. ST. ARNAUD, and A. R. MERMUT. "USE OF HIGH GRADIENT MAGNETIC SEPARATION IN DETAILED CLAY MINERAL STUDIES." Canadian Journal of Soil Science 68, no. 3 (1988): 645–55. http://dx.doi.org/10.4141/cjss88-062.

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High gradient magnetic separation is a simple, inexpensive, nondestructive and rapid means of concentrating iron-bearing minerals to nearly monomineralic levels, particularly those present in undetectable proportions in soil clays. The use of variable magnetic flux density further allows subfractionation of the iron-bearing minerals. Besides iron content, the efficiency of high gradient magnetic separation is highly dependent on the particle size. The stability of suspension, suitable flow rates, contact time and the packing of steel wool are significant factors. The experimental setup used in

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Lei, Peng, Xinwen Xu, Ziyi Yang, et al. "Magnetic Mineral Dissolution in Heqing Core Lacustrine Sediments and Its Paleoenvironment Significance." Minerals 14, no. 11 (2024): 1096. http://dx.doi.org/10.3390/min14111096.

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The magnetic parameters within lacustrine sediments serve as invaluable proxies for deciphering the paleoenvironmental and paleoclimatic conditions. However, the dissolution of magnetic minerals can significantly alter detrital magnetic mineral assemblages, thereby complicating their interpretation in paleoenvironmental reconstructions. In an effort to clarify the impact of this dissolution on the grain size of magnetic minerals in lacustrine sediments, we undertook a thorough analysis of the rock magnetic properties on samples from the interval characterized by low ARM (anhysteretic remanent

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Lavrinenko, A. A., and P. A. Sysa. "Magnetic Hydrocycloning of Weakly Magnetic Mineral Slime." Journal of Mining Science 60, no. 3 (2024): 501–7. http://dx.doi.org/10.1134/s1062739124030177.

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Corrans, Ian James, and Jan Svoboda. "Magnetic Separation in South Africa." Magnetic Separation News 1, no. 4 (1985): 205–32. http://dx.doi.org/10.1155/1985/17201.

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The use of magnetic separators in the various mineral processing facilities in South Africa is described. A large number are used to recover medium in dense medium plants. The manufacture of various types of magnetic separation machines by three local suppliers is highlighted. The potential use of highgradient and/or high–intensity magnetic separation in the recovery of gold, uranium, and phosphate minerals is discussed.

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Proidak, Andrii, Mykhailo Gasyk, and Yurii Proidak. "Research into phosphate mineral composition and waste phosphorite ore." Mining of Mineral Deposits 15, no. 1 (2021): 96–102. http://dx.doi.org/10.33271/mining15.01.096.

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Purpose. Theoretical and experimental studies of chemical and mineral composition and the structure peculiarities of phosphorites from Ukrainian deposits to define the degree of their suitability for other industries. Methods. The ore chemical composition was determined by conventional (wet) analysis using standard certified chemical reagents. The mineral composition was studied on the scanning electron microscope equipped with the attachment for the energy-dispersive electron microprobe analysis (EMPA) with the software for calculating the chemical composition of the studied sample microvolum

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Faesal, Andi, Arifudin Idrus, and Djoko Wintolo. "PROMINE." PROMINE 5, no. 2 (2017): 48–53. http://dx.doi.org/10.33019/promine.v5i2.918.

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The research sites are located in the village of Berambang, Sekotong District, West Lombok Regency,West Nusa Tenggara Province. This area was dominated by volcanic rocks composed of dasiticvolcanic rock, diatrema breccia, and diorite intrusion. Berambang area shows alteration in the form ofpotassic, propylitic, advanced argillic, and argillic alterations where in some places accompanied bypyritisation and stockwork structure, the type of mineralization in this area is a porphyry copper-goldtype. In the potasic alteration zone there are minerals that have a strong anomaly response to themagneti

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НUBINA, Viktoriia, Valentyn VERKHOVTSEV, Victor Yatsenko, et al. "MINERAL AND PHYSICAL AND CHEMICAL CHANGES IN MAGNETITE QUARTITES OF THE VALYAVKINSKY AND NOVOKRIVORIZKY DEPOSITS OF THE KRYVBUS DURING THEIR MINERAL PROCESSING." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 1 (104) (2024): 36–48. http://dx.doi.org/10.17721/1728-2713.104.05.

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Background. In order to study the mineral physical and chemical changes that occur with iron ore (magnetite quartzites) of the Valyavkinsky and Novokrivorizky deposits of the Kryvorizka iron ore basin during the mining and processing of ore at the mining and processing plant "ArcelorMittal Kryvyi Rih", the entire technological chain of mining and mineral processing was analyzed: magnetite quartzite (ore) in naturaldeposits → ore after explosion → ore after crushing at crushing plants → intermediate magnetic products and tailings of all stages of beneficiation → final magnetite concentrate. Met

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Xiao, Junhui, Wei Ding, Yang Peng, Tao Chen, Kai Zou, and Zhen Wang. "Extraction of Nickel from Garnierite Laterite Ore Using Roasting and Magnetic Separation with Calcium Chloride and Iron Concentrate." Minerals 10, no. 4 (2020): 352. http://dx.doi.org/10.3390/min10040352.

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In this study, segregation roasting and magnetic separation are used to extract nickel from a garnierite laterite ore. The garnierite laterite ore containing 0.72% Ni, 0.029% Co, 8.65% Fe, 29.66% MgO, and 37.86% SiO2 was collected in the Mojiang area of China. Garnierite was the Ni-bearing mineral; the other main minerals were potash feldspar, forsterite, tremolite, halloysite, quartz, and kaolinite in the garnierite laterite ore. The iron phase transformations show that nickel is transformed from (Ni,Mg)O·SiO2·nH2O to a new nickel mineral phase dominated by [Ni]Fe solid solution; and iron cha

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Cheng, Zhong Hang, Ke Xu Yu, Tong Lin Zhao, and Xiao Li Wang. "Experimental Research on the Lean Magnetite of RongTian Mine Corporation by Single Magnetic Process." Advanced Materials Research 826 (November 2013): 29–33. http://dx.doi.org/10.4028/www.scientific.net/amr.826.29.

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In this paper, the mineral properties of the lean magnetite in RongTian mine corporation was studied, during which the analysis of the mineral properties, prelimenary separation on the lump mine, two-section grinding, one section fine screening and three-section low intensity magnetic separation process were carried out. The results showed that if the suitable mineral processing flowsheet is adapted, we can achieved such index:concentrate grade of 63.65%, Fe recovery of 47.12% based on the ore grade of 10.05%.. According to the experimental result analysis, most of the iron minerals could be u

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Agricola, J. N. M., J. L. Top, and A. F. Fort. "Magnetic Separation of Weakly Magnatic Copper Minerals." Magnetic Separation News 2, no. 4 (1989): 191–95. http://dx.doi.org/10.1155/1989/57496.

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High Gradient Magnetic Separation of small (5-38 µm) weakly magnetic copper mineral particles from a copper concentrate and ore has been performed. In previous work coarser fractions of these minerals, bornite and chalcopyrite, were separated successfully. The recovery of the smaller particles in the magnetic fraction decreases but their grade increases compared to the results obtained on the larger particles. At a magnetic background field of 1.3 T the concentrate was upgraded from 72% bornite and chalcopyrite to 86% with a recovery of 82% and the ore from 16% magnetic minerals to 44% with a

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Maidani, Delvi Putri, Hamdi Rifai, Letmi Dwiridal, and Fatni Mufit. "The Effect of Chemical Fertilizers on The Magnetic Susceptibility Value and Soil Fertility of Paddy Soils in Surantih, Kabupaten Pesisir Selatan." JPSE (Journal of Physical Science and Engineering) 8, no. 1 (2023): 52. http://dx.doi.org/10.17977/um024v8i12023p052.

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Pesisir Selatan is a district where population depends on agriculture such as lowland rice. The rice seeds used were IR66. Efforts to improve the quality of Paddy soils seeds are fertilizing with chemical fertilizers. Chemical fertilizers used are Urea, KCL and Phonska. Continuous and excessive use of fertilizers will cause a decrease in the level of soil fertility due to the reaction between fertilizer minerals and soil minerals which also affects the magnetic susceptibility value. Based on these problems, further research was carried out to see the difference in the magnetic susceptibility v

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MENSHOV, Оleksandr. "FLUIDS MIGRATION IMPACT ON SOIL MAGNETIC MINERALOGY." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 1 (104) (2024): 30–35. http://dx.doi.org/10.17721/1728-2713.104.04.

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Background. The war in Ukraine arises the urgent need to intensify hydrocarbon production on its own territory in order to maintain and develop the country's energy independence. The effectiveness, low cost and relevance of the involvement are demonstrated by magnetic methods of studies of the near surface geological section and the soil for the oil and gas prospecting. Methods. The methodology of magnetic studies for the hydrocarbon prospecting is based on the methods of studying the environmental magnetism and soil, precision magnetic survey of natural systems and authigenic models of change

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Li, Xiu Juan, Si Qing Liu, Yang Zhao, and Ting Ting Li. "Tin Recovery from a Cassiterite-Bearing Magnetite Refractory Ore." Applied Mechanics and Materials 543-547 (March 2014): 3721–24. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.3721.

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s. Situated in Honghe Municipality of China, a magnetite-bearing cassiterite ore deposit is characterized by iron and tin minerals association in the oxide ores. Magnetite is the main iron mineral containing fine-sized cassiterite that should be recovered. Except for the complex mineral composition, the valuable minerals are finely disseminated in the ore, a joint process of magnetic and gravity concentration was used to process the ore. Results show that, a tin concentrate and a tin middlings can be obtained in processing the tailings of Low-intensity magnetic separation (LIMS), assaying 31.7

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Just, J., N. Nowaczyk, A. Francke, L. Sagnotti, and B. Wagner. "Climatic control on the occurrence of high-coercivity magnetic minerals and preservation of greigite in a 640 ka sediment sequence from Lake Ohrid (Balkans)." Biogeosciences Discussions 12, no. 16 (2015): 14215–43. http://dx.doi.org/10.5194/bgd-12-14215-2015.

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Abstract. The bulk magnetic mineral record from Lake Ohrid, spanning the past ca. 640 ka, shows a strong relationship to environmental conditions on glacial–interglacial and millennial time scales. During extremely cold glacials, a lower accumulation of organic matter and likely enhanced mixing of the water-column coincides with the presence of greigite, whereas greigite is absent in sediments deposited during less severe glacials. Those "non-greigite" glacial sediments are characterized by high concentration of high-coercivity magnetic minerals, which relates to enhanced erosion of soils that

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Qiao, Qingqing, John D. A. Piper, and Zhuangzhuang Lv. "Multivariate Analysis of Magnetic Parameters and Trace Metals in Atmospheric Dustfall and its Environmental Implications in Northern China." Minerals 12, no. 12 (2022): 1598. http://dx.doi.org/10.3390/min12121598.

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Magnetic measurement was combined with geochemical analysis to investigate the trace metal pollution of atmospheric dustfall from rural areas of Inner Mongolia and urban regions of Hebei province in northern China. It is found that the type of magnetic mineral within atmospheric dustfall samples in Inner Mongolia is similar to those found in Hebei province, but the atmospheric dustfall samples in Inner Mongolia have lower magnetic mineral concentrations and finer particles. Linear multiple regression analyses show that the relationship between magnetic parameters and trace metals is found to v

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Kusumadewi, An-Nissa, Lisda Damayanti, Rukiah Rukiah, and Risdiana Risdiana. "Changes in the magnetic attraction by mineral water in the magnetic dental attachment." Odonto : Dental Journal 11, no. 2 (2024): 298. https://doi.org/10.30659/odj.11.2.298-304.

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Background: The magnetic dental attachment is an integral component of the overdenture. Dental magnetic attachment will be in the oral cavity and is influenced by the oral environment. Previous study has shown that acid solutions contained in commonly consumed foods or drinks can corrode magnets and reduce magnetic attraction. Consuming mineral water in daily life is a common thing done by Indonesians. The objective of this research is to investigate the impact of mineral water on both the magnetic attraction and the occurrence of corrosion.Method: Mineral water which are sold commercially wit

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Chen, Yong, Jiankang Wen, Yongsheng Song, Wenjuan Li, Shuang Liu, and Ying Liu. "Mineralogical Characteristics of Pegmatite Tailings and Beneficiation Assessment of Pollucite in Recovering Cesium." Minerals 12, no. 5 (2022): 541. http://dx.doi.org/10.3390/min12050541.

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The technological mineralogical characteristics of cesium-containing minerals in tailings were examined by means of chemical analysis, the energy spectrum analysis method, and MLA (mineral liberation analyzer) to determine the element content, phase analysis, associated mineral components, degree of liberation, particle size, etc. The results showed that the samples mainly contained spodumene, quartz, feldspar, mica, and other minerals. Pollucite was the main cesium-containing mineral in the sample, which had a cesium oxide content that was as high as 34.58%. The mineral content of pollucite i

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