408 hasil
Menampilkan 1–20 · 0,17 detik · RSS
Journal of Economic Geology
Scopus
ISSN 2008-7306 · Ferdowsi University of Mashhad · 408 artikel di indeks
-
Artikel Jurnal
Metallogeny of Manto-type copper deposits in the northwest and west of Bardaskan, Razavi Khorasan with a special view in Nasim, Mes-e-Sorkh and Zarmehr mines
Manto-type copper mines in the Bardaskan-Doruneh metallogenic belt are located in the northwest and west of Bardaskan, Razavi Khorasan province. Hydrothermal solution has a special chemistry, including rich of copper and poor of gold, silver, lead, zinc, iron and silica compared to porphyry copper…
-
Artikel Jurnal
Mineralogy, micromorphology and distribution pattern of major and trace elements in the Mn-nodules of Nasirabad manganese occurrence, Neyriz, Fars Province
This study deals with the results of Raman laser spectroscopy, BSE electron images, EPMA and WDS elemental mappings to characterize the micromorphology, mineral chemistry, and the distribution pattern of Mn, Fe, Mg, Al, Cu, Ni, Co, Sr, Ti, P, Si, V, and Pb in the Mn-nodules of Nasirabad manganese…
-
Artikel Jurnal
Constraining Ore-Forming Processes Using Magnetite-Titanomagnetite Chemistry: A Case Study of the Mamuniyeh Cu Mineralization System, Urumieh-Dokhtar Magmatic Arc
The low-sulfidation epithermal copper mineralization in the Mamouniyeh area occurs as silica-sulfide-oxide veins hosted by monzonitic, gabbroic intrusions, and andesite. Magnetite and titanomagnetite are the primary hypogene oxide ore minerals in this system, present as titanomagnetite in…
-
Artikel Jurnal
Rezvan ore deposit, northeast of Rafsanjan: a volcano-sedimentary iron mineralization in the Rizou series, Poshte Badam block
The Rezvan iron deposit is located in Kerman province, 28 km northeast of Rafsanjan. This deposit is located in the Central Iran Zone and in the Poshte Badam block. Stratigraphically, the host rock units belong to the Late Proterozoic Rizou series. The rock units from bottom to top include shale…
-
Artikel Jurnal
Determination of physicochemical indicators of magma, tectonic setting and mineralization potential of the Cheshmeh Ghasaban gabbro massif, Hamedan
The formation and mineralization conditions of the Cheshmeh Gasaban gabbroic massif in Hamedan have been studied using the chemistry of biotite and clinopyroxene minerals. In terms of petrography, biotite, plagioclase, and clinopyroxene minerals are the most important rock-forming minerals, and…
-
Artikel Jurnal
The source of ore fluids in the Bafq district iron oxide-apatite deposits, Central Iran: a fluid inclusion approach
The Bafq metallogenic district in the Kashmar-Kerman zone, or Posht-Badam block, in the Central Iran structural zone, hosts large iron oxide-apatite deposits hosted in Early Cambrian volcanic, subvolcanic, and sedimentary rocks, as well as in Precambrian metamorphic rocks. The proposed models vary…
-
Artikel Jurnal
Ore Structures, geochemistry, O-isotopes and fluid inclusion of the Ediacaran Banded Iron Formation at the Koushk area, Northeast Bafq, Central Iran
The Koushk iron deposit is situated northeast of Bafq in Yazd Province, within the Central Iran Structural Zone. Fe- mineralization in the Koushk area is hosted by a rhythmic sequence of dolomite, jaspilite, rhyolitic tuff, metasomatite, diorite sill and diabasic dyke with various ore structures…
-
Artikel Jurnal
Geochemistry and Mineralogy of Zincian Dolomite in the Tangedozdan area (Fereydounshahr- West of Isfahan Province)
The Tangedozdan zinc and lead deposit is located 25 km northeast of Fereydounshahr and in the middle part of the Sanandaj-Sirjan zone. The rock units from old to new include greenish volcanics, calcareous sandstone, crystalline limestone, limestone to dolomitic limestone, and gray limestone…
-
Artikel Jurnal
Application of Deep Learning-Based Multi-Class Anomaly Detection in Geochemical Exploration with Bayesian Hyperparameter Tuning
In this study, 1,238 stream‑sediment samples from the Pariz and Chahargonbad areas of southwestern Kerman Province were analyzed to identify geochemical anomalies. The dataset was enhanced using principal component analysis (PCA), independent component analysis (ICA) and polynomial feature…
-
Artikel Jurnal
Geochemistry, Geochronology, and Petrogenesis of the Mobarakabad-Lavasan-Karaj Magmatic Complex, Central Alborz
The Mobarakabad-Lavasan-Karaj magmatic complex, located in the Central Alborz Magmatic Belt, comprises intrusive bodies of monzogabbro, monzonite, and syenite compositions. Geochemical studies reveal that these rocks exhibit high-K calc-alkaline to shoshonitic affinities. This study investigates…
-
Artikel Jurnal
The role of fault structures in accomodation and separation of mineral veins in the Zizgan and Amre mines, southeast of Tafarsh
Interpretive study of geological structures is one of the main pillars of exploration operations of mineral deposits. Considering the spatial relationship of vein mineralizations with fault zones, this study has been conducted to investigate such a relationship in the Zizgan and Amreh mining areas…
-
Artikel Jurnal
Evaluating the Economic Potential of Listvenitization of Anarak Ophiolite Serpentinites using Mineralogical and Geochemical Evidence
The Anarak ophiolite complex is in northeastern Isfahan, at the northwestern boundary of the Central Iranian Microcontinent. This complex consists of serpentinized mantle peridotites, cumulate gabbros, pillow lavas, mafic-ultramafic dikes, glaucophane-bearing metabasalts, and listvenites, which are…
-
Artikel Jurnal
Magmatic controls, oxidation state, and geochemical-metallogenic evolutions in development of the Bashmagh Cu deposit (SE Hashtroud), Urumieh-Dokhtar magmatic arc
The Bashmagh Cu deposit (proven reserves of 2.1 Mt @ 0.61% Cu) is located in the Urumieh-Dokhtar magmatic arc of NW Iran. Mineralization is structurally controlled by NW-SE faults and it occurs as disseminations, quartz-carbonate-chalcopyrite veins and/or hydrothermal breccias hosted by Oligocene…
-
Artikel Jurnal
Geology, alteration and mineralization style of the lithocaps in the north-northeastern Chah Musa deposit, part of the Toroud-Chah Shirin magmatic arc (south of Shahrood)
The study area is situated in the northern part of the Central Iranian structural zone, northeast of the Toroud-Chah Shirin magmatic arc. In this area, late Eocene hypabyssal intrusions are emplaced within Eocene volcano-sedimentary sequences. Hydrothermal fluid activity has completely destroyed…
-
Artikel Jurnal
Determination of source and assessment of contamination of potentially toxic elements mineral dusts of the Chadormalu Iron Mine, Bafq, Northeast of Yazd
This study evaluates the concentration and source of potentially toxic elements in thirteen samples of in-situ dust collected from the Chadormalu iron mine, located 180 km northeast of Yazd city. Various geochemical indices including the geoaccumulation index, potential ecological risk index, the…
-
Artikel Jurnal
Low-sulfidation epithermal Au mineralization in the Tikmehdash 2 deposit (southeast of Bostan Abad): Constraints on geology, mineralization, geochemistry, and fluid inclusions
Tikmehdash 2 gold (Au) deposit is part of the Miyaneh-Bostan Abad metallogenic subzone. Au mineralization occurs in Mn- and Au-bearing quartz veins hosted by Eocene and Miocene volcanic-sedimentary sequences. The ore veins trend northeast-southwest have NE-SW trends and dip approximately 65-80º…
-
Artikel Jurnal
Fractal and 3D Modeling of the Mineralization in the Garijgan Mining Area, Eastern Iran
The Garijgan mineral deposit is a classic NW-SE trending, nonparallel shear zone located 25 km south of Khousf city in South Khorasan Province, eastern Iran. The distribution pattern of fractures and ore veins was investigated by combining remote sensing, fractal modeling, and 3D modeling. In the…
-
Artikel Jurnal
Petrogenesis and Economic Potential of the Almogholagh Intrusive Body, Using the Zircon Chemistry; Central Sanandaj-Sirjan Zone
In this study, the mineralization potential of the Almogholagh intrusive rocks (Northwest Hamedan), Central Sanandaj-Sirjan Zone, was investigated using the chemical composition of zircon grains. The Almogholagh intrusive rocks comprises three main types of rocks: (1) diorite and gabbro, (2)…
-
Artikel Jurnal
An overview of lithium resources, geochemistry, exploration, extraction, processing, and applications with a focus on electric vehicles
Today, the demand for critical metals like lithium has enhanced significantly, leading to greater exploration, extraction, and utilize these metals. In this comprehensive review, we discuss the different types of lithium resources, minerals, exploration, extraction, processing, and applications…
-
Artikel Jurnal
Separation of alteration zones using remote sensing images and support vector machines, case study: Zaglic area, Arasbaran metallogenic zone, NW Iran
The separation of alteration zones plays a significant role in the exploration of porphyry copper-epithermal gold deposits and is one of the key issues in the exploration operations of these deposits. In the general exploration stage and in the large-scale exploration stage of these deposits, one…