Minerals - Science topic

This material was presented at Bougainville Economic Submit in 2022. Its contents relates to a CBA study conducted on policy implications and benefit redistribution of re-developing the Panguna copper-gold mine in Autonomous Region of Bougainville.

Alterations in plasma levels of the components of the mineral metabolism (MM) system are related to cardiovascular diseases. However, gender differences of the whole MM system in patients with acute coronary syndrome (ACS) have not been reported. Our objective was to analyse the potential differences on the prognostic role of MM in women suffering...

The clean energy transition centered on photovoltaic solar and wind power is widely regarded as the fundamental way to achieve the Paris Agreement’s pledges. The development of clean energies, however, relies much more on critical minerals than that of conventional ones. It is therefore vital to incorporate mineral constraints into integrated asses...

Doenças como a obesidade e o diabetes demandam tratamentos por períodos prolongados esses procedimentos e serviços de saúde acabam gerando no Brasil uma sobrecarga no SUS. As pesquisas buscam novas alternativas de tratamento para essas doenças como fontes de origem natural como plantas medicinais. A Myrciaria dubia, Camu-camu, é uma fruta da famíli...

The global CO 2 storage potential of Mg-silicate minerals is renowned. The valorization of residues containing these minerals via ex situ carbonation therefore seems an obvious pathway, however, significant levels of CO 2 uptake have only been obtained for a limited range of minerals (e.g., olivines), using extreme reaction conditions or strong che...

Newfoundland is an emerging gold district containing numerous gold occurrences, including past-producers, known deposits with resource estimates as well as a number of advanced exploration projects. This contribution focusses on six gold deposits in southern and central Newfoundland, presenting detailed geological and petrographic descriptions of g...

Yerba-mate (Ilex paraguariensis) is a native species native from subtropical and temperate regions of South America. Its production process may influence its physicochemical composition and the final quality. In this way, this study aims to evaluate the major macro- and micro minerals present in the yerba mate, both native and cultivated, after the...

Подано основи історичної спадщини у Львівській області. Проведено систематизацію історичних періодів освоєння різних видів корисних копалин у регіоні. Розглянуто стан і перспективи збереження пам’яток гірництва на Львівщині. Описано роль постмайнінгових і супутніх антропогенно змінених геосистем. Окреслено об’єкти гірничої спадщини, що потребують о...

Pore pressure by dehydrating hydrous minerals can trigger deep and intermediate‐depth earthquakes. We performed friction experiments on simulated bassanite gouges under various confining pressures and temperatures. At room temperature (RT), stress drops and recurrence intervals of stick‐slip events varied with confining pressures. Under a confining...

This study compares two forecasting methods, Support Vector Regression (SVR) and SutteARIMA, to predict coal prices in Indonesia using monthly data from January 2013 to October 2022 provided by the Ministry of Energy and Mineral Resources. Uniquely, this study integrates the SVR approach with various kernel settings and finds that the radial settin...

The International Seabed Authority is under pressure from some states and companies to adopt the regulations that would allow deep seabed mining (DSM) to commence. While presented by its supporters as necessary to procure the minerals and metals needed for energy transition, DSM presents serious risks for the marine environments and human rights wh...

The need to urgently shift away from fossil-based systems of energy for the sake of the planet and its people is clear. The green transition comes, however, with negative impacts on human rights and the environment, notably on the rights of Indigenous Peoples in the Global South, where most of the essential minerals and metals needed for the transi...

The word’s mineral resources are sharply decreasing, and the process of desertification is severe. The use of desert sand as a substitute for natural materials is of great significance for reducing the consumption of mineral resources and protecting the environment. Desert sand contains a large amount of SiO2. Using desert sand to replace pure oxid...

El estudio multidisciplinar de la Dehesa de Navalvillar ha revelado importantes hallazgos que arrojan luz sobre la construcción y organización de este poblado rural. A través del análisis de la fotografía aérea, se ha podido identificar la presencia de numerosos edificios, lo que sugiere la existencia de una compleja estructura social y económica e...

El resurgimiento geopolítico africano con su geo estrategia soberana de metales preciosos y materias primas. El potencial geoeconómico basado en una geo estrategia de metales preciosos y materias primas para el continente africano es inmenso, se encuentra en diversos matices como la intervención extranjera de la Unión Europea, y EUA, por eso dicha...

Objetivou-se com este estudo avaliar o impacto de três estratégias de suplementação na fase de recria de novilhas criadas a pasto durante as águas. O objetivo foi determinar a influência dessas dietas no ganho de peso e na eficiência alimentar em sistemas extensivos. O experimento foi conduzido na forma de parcelas subdivididas no tempo 4x3. As par...

Durante más de 400 años, el distrito minero Cerro de San Pedro, ubicado en San Luis Potosí, México, ha generado una serie de residuos históricos, denominados pasivos ambientales, que constituyen un riesgo a la salud al contaminar el ambiente. Estos residuos depositados a un lado del arroyo de San Pedro comprenden cuantiosos volúmenes que al estar e...

PT. Trubaindo Coal Mining (PT. TCM) dianggap telah melakukan pertambangan ilegal karena telah memanfaatkan tanah ulayat tanpa izin masyarakat adat setempat. Karena itu, penulis membuat jurnal dengan judul “Kontroversi Pertambangan Ilegal Pada Tanah Ulayat Warga Kutai Barat (Studi Kasus Pada PT Trubaindo Coal Mining (TCM))”. Penelitian ini menggunak...

Minería a gran escala, minería a cielo abierto, megaminería y minería moderna son algunas de las acepciones más frecuentes para referir a la nueva tecnología de explotación que surgió a finales del siglo pasado, intensiva en capital y apta para el acaparamiento de partículas minerales dispersas en grandes superficies de rocas montañosas. Una activi...

A produção do Cerrado na cultura de milho e soja depende de níveis adequados de boro no solo para garantir elevadas produtividades. O Cerrado, por possuir solos ácidos e altamente intemperizados, com baixa fertilidade do solo, predominância de caulinita, quartzo, óxidos de ferro e alumínio, possui baixa capacidade de retenção deste elemento químico...

After more than two millennia of mining history, Spain and Portugal together produce approximately one billion tons of rocks and industrial minerals each year. In Spain and Portugal, the industry of ornamental rocks and industrial minerals has developed significantly in recent years. The demand for construction and ornamental materials has increase...

La presentación "Aplicación del enfoque de sistemas minerales e inteligencia artificial para la predictibilidad de mineralización por elementos críticos" muestra los avances recientes del INGEMMET respecto a la prospectividad de nuevas áreas por elementos críticos. Se están centrando los esfuerzos en la Cordillera Oriental del Perú, la cual se encu...

A mineração subterrânea tem se tornado uma solução crescente para a extração de minerais em regiões de difícil acesso ou onde as operações de mineração a céu aberto se tornaram inviáveis. Entre os métodos mais utilizados para o desenvolvimento de raises, destacam-se o Rhino Box Hole e o Long Hole Raise, cada um com suas particularidades. Este estud...

Background Achillea L., a medicinal plant belonging to the Asteraceae family, has a global distribution and has been employed for its therapeutic properties since ancient times. Different species within the Achillea genus are frequently employed to tackle various health concerns. While there has been considerable research conducted on the bioactive...

The Junqueira massif is a syn- to late-kinematic Variscan batholith intruded into Ediacaran-Cambrian metasedimentary rocks of the Douro-Beiras Supergroup (DBSG) in the Central Iberian Zone. The batholith occupies the axial zone of the Porto-Viseu antiform, a large NW-SE trending megascopic domal structure formed during the last Variscan ductile def...

No âmbito do estudo de impacte ambiental realizado por uma equipa multidisciplinar para a implementação de um projeto de eco-turismo e de uma barragem na Quinta do Carmo (Glória, Estremoz), realizou-se um estudo geológico detalhado. Coube à “equipa de geologia” a revisão da cartografia geológica, a caracterização geomorfológica e a identificação de...

Accurate mineral identification on the Martian surface is critical for understanding the planet's geological history. This paper presents a UNet-based autoencoder model for efficient spectral preprocessing of CRISM MTRDR hyperspectral data, addressing the limitations of traditional methods that are computationally intensive and time-consuming. The...

Mineral prospectivity mapping (MPM) can be deemed a binary classification task, with classifiers trained and validated on labels indicating the presence or absence of the targeted mineralized zones. Using economically viable mineral deposits as positive labels could, in theory, yield prospectivity models with geometallurgical reliability, thereby a...

MErcury Surface, Space ENviroment, GEochemistry, and Ranging (MESSENGER) observations suggest that sulfur‐bearing minerals are key components of Mercury's surface. These minerals have been proposed to explain the strong concave downward curvature between 300 and 600 nm in MESSENGER reflectance spectra of the hollows. We investigated the spectral cu...

El objetivo principal de esta investigación fue evaluar el impacto del uso de biofiltros elaborados con conchas de abanico sobre la calidad del agua del río Grande en Huamachuco, enfocándose en la variación de parámetros fisicoquímicos como pH, sólidos disueltos totales (TDS), conductividad eléctrica y salinidad. Se empleó un diseño cuantitativo pr...

Penelitian ini bertujuan untuk mengetahui pengaruh pemberian mineral makro (Ca dan Mg) dalam ransum terhadap kecernaan bahan kering (KcBK) dan kecernaan bahan organik (KcBO) ransum pada domba ekor tipis jantan. Penelitian ini telah dilaksanakan pada September-November 2023 di Kandang dan Laboratorium Nutrisi dan Makanan Ternak, Jurusan Peternakan,...

Penelitian ini bertujuan untuk mengetahui pengaruh pemberian mineral makro (Ca dan Mg) dalam ransum terhadap kecernaan serat kasar dan protein kasar pada domba ekor tipis jantan. Penelitian ini dilaksanakan pada bulan September - November 2023 di kandang domba Jurusan Peternakan, dan analisis proksimat dilakukan di Laboratorium Nutrisi dan Makanan...

The need for elements of noble and rare metals is increasing every year, therefore, the development of criteria for the search, exploration, and forecasting of mineral deposits in the country, the effective organization of geological exploration work, and the modern scientific substantiation of rock formation and ore formation are of paramount impo...

O feijão-mungo (Vigna radiata (L.) Wilczek) é um grão da família das fabáceas rico em proteínas, fibras e minerais. Amplamente consumido na Ásia, é semeado em diversas partes do mundo, com destaque para a Índia. Apesar de seu potencial, a produtividade média está em torno de 500 kg ha-1 em comparação com o potencial de 2.000 kg ha-1. O estudo teve...

En el contexto industrial actual, la automatización de procesos se ha convertido en una estrategia clave para mejorar la eficiencia y la productividad. Este estudio justifica la adquisición de una máquina de micropercusión para optimizar el proceso de grabado de placas en el área de ensamble de Weir Minerals. A través de un análisis detallado de lo...

We present JWST observations of the near-Earth asteroid (3200) Phaethon using the Near-Infrared Camera (NIRCam), Near-Infrared Spectrograph (NIRSpec), and Mid-Infrared Instrument (MIRI) to further investigate the composition of Phaethon's surface. Our NIRSpec data confirms that Phaethon's surface is dehydrated, showing no evidence of hydrated miner...

Une étude sociodémographique des maraichers, leurs pratiques culturales et de fertilisation a été menée à Franceville et Moanda. L‘objectif visé était d’actualiser les connaissances sur le maraichage et la gestion des engrais. L’étude a consisté à un recensement de tous les sites de production et une enquête individuelle. La superficie totale est d...

The years 2023 and 2024 were characterized by unprecedented warming across the globe, underscoring the urgency of climate action. Robust science advice for decision makers on subjects as complex as climate change requires deep cross- and interdisciplinary understanding. However, navigating the ever-expanding and diverse peer-reviewed literature on...

This research was conducted because there was an increase in purchases of Le Minerale products in 2024 where in that year Le Minerale collaborated with the endorse of its choice so that the credibility of Endorse influenced purchasing decisions for consumers. This study aims to explain the significant effect obtained from the results of testing the...

Penelitian ini menganalisis perlindungan hukum bagi pemegang Surat Berharga Investasi Jangka Pendek (SBIJP) dalam kasus wanprestasi, dengan studi kasus Putusan Pengadilan Negeri Jakarta Selatan No. 1044/Pdt.G/2023/PN Jkt.Sel terhadap PT. Sumber Energi Alam Mineral (SEAM). Penelitian ini bertujuan untuk mengkaji efektivitas perlindungan hukum bagi k...

The main attention in the article was paid to the method of fighting forest fires by creating mineralized bands and filling the edge of the fire with soil. Designs of firefighting soil-throwers for extinguishing forest fires based on the tractor "Belarus" and an excavator based on the feller buncher LP-19 are proposed. The proposed designs of fores...

A nutrição desempenha um papel fundamental na saúde e no desempenho das aves de postura. Uma dieta equilibrada, rica em nutrientes essenciais, é crucial para o desenvolvimento adequado, manutenção do sistema imunológico e produção de ovos de qualidade. Deficiências nutricionais podem enfraquecer o sistema imunológico das aves, tornando-as mais susc...

Conforme as mudanças urbanísticas acontecem, buscamos alternativas sustentáveis para plantar, reutilizar e preservar, assim contribuímos para um meio ambiente equilibrado. O uso dos fertilizantes orgânicos tem sido uma ótima alternativa. Sendo eles classificados com vários critérios, classificados como; minerais ou inorgânicos, orgânicos e organo-m...

This study investigates the effect of petrological and mineral properties on the mechanical properties of gypsum rocks from selected sites in Kirkuk Governorate, Iraq. Samples were collected from six stations and analyzed to determine dry density, effective porosity, and mineral composition using the X-ray diffraction technique. The results showed...

El zinc es un metal con diversas aplicaciones industriales que se puede obtener por la vía hidrometalúrgica y pirometalúrgica. En esta revisión se abordan los avances frente a la producción sostenible de este metal. Este enfoque implica la adopción de prácticas y procesos que minimicen el impacto ambiental y fomenten el uso responsable de los recur...

Utilizing Ceres as a refueling station and potential habitat for deep-space missions will be addressed in this study. This includes and investigates the challenges posed by Ceres’s low solar flux on in-situ resource utilization (ISRU) processes. The planetary protection concerns related to potential back contamination will be addressed in this rese...

The purpose of this paper is to empirically examine the influence of internal corporate governance (CG) mechanisms (board size — BS and board independence — BI) on the occupational health and safety (OHS) risk management performance of 30 Johannesburg Stock Exchange (JSE) listed mining firms. We exploit data chosen from published integrated annual...

Introdução: O clareamento dental interno pode possuir como efeito adverso a reabsorção cervical externa. Em função disso, recomenda-se a confecção de uma barreira cervical, com material adequado, para evitar a difusão do peróxido de hidrogênio para o ligamento periodontal. Vários materiais são propostos para isso, dentre eles o cimento de ionômero...

Geologic carbon storage (GCS) is an important technology for mitigating climate change, and hundreds to thousands of gigatons of CO2 needs to be stored via GCS by 2100 to achieve the 2 °C/1.5 °C target.1 One challenge that hinders the large-scale deployment of GCS is the risk of the injected CO2 migrating through abandoned wells and/or faults/fract...

Estimasi sumberdaya mineral merupakan tahap krusial dalam eksplorasi mineral untuk menilai kelayakan operasional penambangan. Metode geostatistik, khususnya Ordinary Kriging, sering digunakan untuk memperkirakan kadar bijih di lokasi yang tidak terukur dengan memanfaatkan nilai-nilai yang diketahui pada titik tertentu. Metode ini memiliki keunggula...

Regional spatial planning requires accurate data according to the planning scale. One of the problems encountered in the analysis of spatial planning in Indonesia is the unavailability of some basic data that have a level of detail according to planning needs, including geological data. RTRWK requires a map at a scale of 1:50,000, while the availab...

This study investigates the effects of varying lime saturation factors (KH = 0.85, 0.87, 0.90, 0.92) on the mineral composition and hydration behavior of low-heat Portland cement (LHC) clinker, providing theoretical guidance for its industrial production. X-ray diffraction (XRD), scanning electron microscopy (SEM), and hydration heat tests were emp...

Background: This research was carried out at LPU in September 2023 with an aim to identify genetic differences in mineral content, chemical and physical characteristics of fifteen different potato germplasm. This will provide the information regarding the varieties that are rich in nutrients and other essential components, making it easier to choos...

A produção de ovos é muito importante, pois garante uma fonte acessível de proteína animal para a população. A nutrição das poedeiras comerciais é um fator determinante para o desempenho produtivo, qualidade dos ovos e bem-estar das aves. A formulação das dietas deve garantir um suprimento adequado de energia, proteína, minerais e vitaminas, ajusta...

remineralization of enamel and bleaching

p>Penelitian ini menggambarkan dan menganalisis pertimbangan hakim pada penjatuhan pidana pada pelaku tindak pidana penambangan pasir ilegal, berfokus pada ketetapan hukum pidana dan pertimbangan hukum yang terdapat pada putusan perkara No.556/Pid.Sus/2020/PN Kpn. Dengan menerapkan metode penelitian hukum normatif yang sifatnya perspektif melalui p...

El presente artículo muestra cómo la micromorfología de suelos apoya el estudio de los restos arqueológicos de arquitectura construida en tierra; ella permite inferir: (1) la procedencia de las materias primas por las características que identifican las fuentes locales de material; (2) el proceso de elaboración de la mezcla constructiva para saber...

This study investigates the effect of the number of compaction impacts on the void characteristics of Asphalt Concrete-Wearing Course (AC-WC) mixtures with cement as an additive filler. The research employed an experimental approach, testing mixtures with two filler types: stone dust alone and a combination of stone dust with 1% cement. Compaction...

Plain Language Summary The Mantle Transition Zone (MTZ) is a region within the Earth's mantle situated between the upper and lower mantle. It is bounded by two significant seismic discontinuities at depths of approximately 410 and 660 km. Within this zone, a less‐studied discontinuity, known as d520, occurs at around 520 km depth. These seismic bou...

Entre los minerales estratégicos para la transición energética, el cobre es el más abundante en México. Por esta razón, en este reporte analizamos la evolución de la extracción de cobre a nivel internacional y nacional, su impacto socioambiental, las necesidades crecientes de energía, territorio y agua para su explotación, así como la forma en la q...

Rare earth elements (REE) have become critical to the global energy transition, particularly for their role in clean technologies such as electric vehicles, wind turbines, and high-efficiency electronics. While China continues to dominate global REE production and processing, other regions—including South America—are exploring their potential to en...

Radon exhalation is a key factor in radon studies, especially in uranium mineralized areas, where accurate radon flux measurement is essential for assessing potential health risks, such as lung cancer, and ensuring environmental safety by providing reliable data for risk assessment and mitigation strategies. Back diffusion refers to the process whe...

This study examines the relationship between economic growth and environmental sustainability in Indonesia, focusing on the validity of the Environmental Kuznets Curve (EKC) hypothesis and the impact of various factors on a country’s ecological footprint. Although extensive research has explored the connection between carbon emissions and economic...

Nonlinear instabilities are investigated in slewing boom lifting machines which are a fundamental rotating multibody system. The focus is on predicting and controlling the nonlinear bucket/load swing behaviour of draglines and large tower cranes under realistic operating conditions. Theoretically these machines are types of Furuta pendulum (a two l...

A crescente demanda dos consumidores por alimentos diferenciados que além de exercer suas funcionalidades básicas, apresentem benefícios à saúde, tem proporcionado o desenvolvimento de novos produtos alimentícios. A preparação de sorvete a base de kefir de extrato da castanha de caju, saborizado com a fruta umbu, é uma viabilidade singular. Diante...

Object detection methods based on deep learning have significantly reduced time-consuming tasks. Semantic segmentation has shown remarkable progress in the study of rocks, especially when applied to petrographic thin sections. Despite the development of various models for specific applications in this field with promising results, their widespread...

Polymetallic ores contain valuable minerals such as galena, sphalerite, copper sulfides, and pyrite. The main method of enriching such ores is flotation, however, in some cases, preliminary gravitational enrichment is used. The flotation process depends on the chemical composition and physical properties of the ore, as well as the reagents used, in...

The P‐ and S‐wave velocities of zoisite were measured simultaneously using ultrasonic techniques under pressure and temperature of up to 11 GPa and 773 K, respectively. The results indicate that the velocity of zoisite increases with increasing pressure and decreases with increasing temperature. Using finite strain fitting, values of KS0=129(3)GPa...

The study investigates the process of intensifying rare earth elements (REEs) group uncovering from the Kundybay deposit (Northern Kazakhstan). Currently, there is no interest in extracting REEs because the ore lying beneath is significantly richer in both rare elements and REEs. However, this type of raw material is a potential source of REEs. The...

The human brain can both synthesize minerals in situ and accumulate exogenous phases from the surrounding environment. Some of the biogenic phases may represent evolutionary remains, whereas others are crucial for many physiological functions of the neurological system. Yet an excess concentration of these minerals in the brain may be a precursor a...

This study proposes to investigate the correlations between technological traits and minerals under different degrees of multicollinearity; define the degree of multicollinearity to be used in Pearson's linear correlation analysis; and identify technological traits suitable for indirect selection aimed at biofortification in common bean (Phaseolus...

KURT WALENTA: Mineralien aus dem Schwarzwald. Die im Schwarzwald auftretenden Mineralien und ihr Vorkommen. Ein Handbuch für Sammler. Franckh'sche Verlagshandlung Stuttgart 1979. 128 Seiten, 90 Farbfotos und 12 Zeichnungen. Broschiert

Drinking water is a basic human need that must be available to everyone because it is essential for survival. Due to the high demand for drinking water, many producers see an opportunity to run businesses in this field, as this product is always needed anywhere and anytime. This study aims to determine the influence of product quality, customer sat...

La Mina Pastora, situada en Aliseda (Cáceres), es un enclave geológico de gran interés, no solo por su historia minera, sino también por su singularidad hidrogeológica. Este trabajo analiza las características hidrogeológicas de la mina, destacando la formación de sulfatos de amonio raros como la tschermigita y la amoniojarosita, resultado de la in...

ZET Son yıllarda tüketicilerin kanatlı etini tüketim şekillerindeki tercihlerin hızla değişmesi üreticileri yeni arayışlara teşvik etmiştir. Bu kapsamda üreticiler pazar paylarını artırmak amacıyla taze tüketime sunulan ürünlerde çeşitliliğin artırılması ile birlikte ileri işlenmiş mevcut ürünlerin geliştirilmesi ve yeni ürünlerin üretilmesi yönünd...

Pusat Biaya pada Industri Air Minum Dalam Kemasan Pristine merujuk pada kajian mengenai pengelompokan dan pengendalian biaya-biaya operasional yang timbul dalam proses produksi dan distribusi produk Pristine, yaitu salah satu merek air minum dalam kemasan (AMDK) yang diproduksi oleh PT Super Wahana Tehno, bagian dari Sinarmas Group.

Makalah ini adalah untuk memenuhi tugas UTS mata kuliah Sistem Pengedalian Manajemen dan tujuan dari pembuatan makalaj ini adalah untuk mengetahui tentang penerapan pusat biaya pada industri air mineral kemasan club PT Tirta Sukses Perkasa.

El trabajo analiza el conflicto y disputa territorial en Ixtacamaxtitlán, Puebla, que se desarrolla cuando la empresa Almaden Minerals Ltd (Almaden) obtiene las concesiones para la extracción de minerales en el municipio. A partir de este momento, se inicia un proceso de despojo y apropiación del territorio que ha generado una resistencia social in...

Green human resource management (GHRM) incorporates the sustainability in the human resource management activities. Encouraging eco-friendly activities promoting green and working towards a sustainable nation is the agenda of the GRHM. This agenda has been promoted globally in Western countries but it is the developing nations such as India and Chi...

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Penelitian ini berjudul ”Peran Sumber Daya Manusia Dalam Meningkatkan Kualitas Pelayanan Impor Pada Bidang Pengembangan Perdagangan Luar Negeri Dinas Perindustrian Perdagangan Energi Dan Sumber Daya Mineral Provinsi Sumatera Utara”. Meskipun sudah adanya sistem pendataan digital dalam proses pelayanan masih, dibutuhkan tenaga sumber daya manusia da...

Vitamins and minerals (micronutraceuticals) maintain good health. However, the specific effects of these micronutraceuticals on brain health are often overlooked, or not even known. In this review, an overview of the direct and indirect effects of micronutraceuticals on brain energy metabolism (neuroenergetics) and neuronal health is provided. Ther...

In this paper the possibility of existing methods of intensification of the cyanidation process of gold-bearing raw materials of nonrefractory type was considered: cyanidation with the supply of oxygen or air during the process and with the use of water pre-saturated with dissolved oxygen. When using air in the process of cyanidation with the suppl...

Plain Language Summary The mantle transition zone at 410–660 km depth in the Earth's interior contains up to 1–3 wt.% water in the crystal structure of its dominant minerals (wadsleyite and ringwoodite), while the water storage capacity of olivine in the upper mantle is much lower. Therefore, hydrous melts should be formed by the phase transformati...

La actividad minera ha sido un pilar económico en México desde tiempos de la Colonia, especialmente en regiones como el estado de Hidalgo. Sin embargo, esta actividad deja una huella ambiental significativa debido a la generación de residuos conocidos como jales. Estos desechos, compuestos por materiales finos y metales pesados, se almacenan en est...

Top miners continue to make progress on a range of ESG, climate change and license to operate risks but are under pressure to do even more. In brief  ESG is attracting more scrutiny from investors and the community. Better use of data and a focus on net-positive impact can help meet growing expectations.  Capital rises to #2, as the mining sector...

Arsenic is a penalty element in flotation concentrates, thus decreasing their quality. Consequently, the present investigation is developed with the objective of carrying out the flotation of a mineralized structure to reduce the content of arsenic “As” in the gold concentrate “Au”. For this purpose, sampling was carried out in a vetiform hydrother...

The triaxial direct shear behavior of granite under high-temperature and stress-coupled conditions is critical for the safety evaluation of underground openings exposed to elevated temperatures, such as those in high-level radioactive waste disposal facilities. This study investigates the influence of thermal–mechanical coupling methods on the tria...