Intrinsic geological model generation for chromite pods in
The Sabzevar ophiolite is the second largest chromite mine in Iran. • An explorational model obtained by integration of geological and geochemical data. • The Context 1 Faryab chromite deposit is one of the most important Iranian deposits and one of the most known chromite deposits in all around the world. The Faryab mines are located at 143 km...Location of the Faryab chromite mines (Iran)
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Analysis and assessment of nickel and chromium
The key objective of this research was to estimate the Ni and Cr contents of soil around the Baghjar Chromite Mine (BCM) of Sabzevar Ophiolite Belt, Northeastern from publication: Review of platinum-group element distribution and mineralogy in chromitite ores from southern Iran The platinum-group element (PGE) potential of four chromite Chromitite textures in southern Iran. A) folded and banded
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Review of platinum-group element distribution and mineralogy
The platinum-group element (PGE) potential of four chromite mining districts in southern and south-eastern Iran was investigated using geochemical and This study aims to define production trend in mining section, especially chromite ore, to reach the goals of sustainable development plan in mining section of Defining chromite ore production trend by CCD method to
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Review of platinum-group element distribution and mineralogy
The platinum-group element (PGE) potential of four chromite mining districts in southern and south-eastern Iran was investigated using geochemical and Abstract. The key objective of this research was to estimate the Ni and Cr contents of soil around the Baghjar Chromite Mine (BCM) of Sabzevar Ophiolite Belt, Analysis and assessment of nickel and chromium
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Iran: chromite production 2020 Statista
Aug 26, 2020 This statistic describes the annual production volume of chromite in Iran from 2005 to 2014 and an estimate until 2020. According to estimates, the production volume of chromite...A single chromite deposit occurrence is found in the serpentinized harzburgite unit of the Khoy ophiolite complex in northwest Iran, which is surrounded by dunite envelopes. This area has Minerals Free Full-Text ASTER-Based Remote
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Review of platinum-group element distribution and mineralogy
Chromite is mined in different regions of Iran, and the geology of the chromite deposits and the economic significance of the chromite-producing regions of Iran have been discussed in several publications (Hillebrand, 1983, Schmidt, 1974, Schürenberg, 1959, Weber-Diefenbach and Davouadzadeh, 1998, Yaghubpur and Hassannejad, The chromite from the Bulqiza Mine falls in the high Cr# section of the podiform chromite field, representing high-Cr and low-Al spinel (Fig. 5a). ; Jannessary et al. 2012; González-JiménezChromitite textures in southern Iran. A) folded and banded
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Defining chromite ore production trend by CCD method to
In the 20-years vision document of sustainable development of Iran, or the 2025 development vision document, the most important aim is to become the first industrialized country in the Middle East in 2025. This study aims to define production trend in mining section, especially chromite ore, to reach the goals of sustainable development Eisa SOLGI,et al/Trans. Nonferrous Met. Soc. China 25(2015) 2380−2387 2381 soil near a mining area. Iran is one of the countries that isDepartment of Environme nt, Faculty of Natural
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3-D numerical modelling of Domino failure of hard rock
Fetr6 Chromite Mine, Iran, and comparison with empirical methods S. Dehghan1, K. Shahriar2, P. Maarefvand2, K. Goshtasbi3 1. Department of Mining Engineering, Science and Research Branch, Islamic Azad University, Tehran 14155–4933, Iran; 2. Department of Mining and Metallurgical Engineering, Amirkabir University of Research on Failure Process and Precursor Information of Surrounding Rock of Deep Layered Roadway Based on Digital Image Correlation Method. Dinggui Hou. Xu Fu. Chenmei Lu. Original Paper. Published: 23 March 2021. Pages: 4817 4831.Geotechnical and Geological Engineering Volume 39, issue 7
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[PDF] Geochemical and environmental assessment of
Heavy metal concentration in the soils and sediments has increased worldwide during the last century due to the mining, smelting, and industrial activities. The Forumad chromite deposit is located in the Sabzevar ophiolitic complex (SOC), with a long history of mining activities, yet very little is known about the heavy metal contamination in Chromite (Cr) occurs exclusively in mafic and ultramafic igneous rocks (Papp and Lipin, 2006).Although some Cr-based minerals such as crocoite (PbCrO 4), vauquelinite (Pb 2 Cu[CrO 4][PO 4]), uvarovite (Ca 3 Cr 2 [SiO 4] 3), and merumite (4(Cr,Al) 2 O 3 3H 2 O) are well known, chromite (FeCr 2 O 4) is the only one that is a Chromite ScienceDirect
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(PDF) 3-D numerical modelling of Domino failure of hard
3-D numerical modelling of Domino failure of hard rock pillars in Fetr6 Chromite Mine, Iran, and comparison with empirical methods February 2013 Journal of Central South University 20(2)The key objective of this research was to estimate the Ni and Cr contents of soil around the Baghjar Chromite Mine (BCM) of Sabzevar Ophiolite Belt, Northeastern Iran, and assess the degree of soil pollution using the pollution indices. Soil samples (0–20 cm depth) were collected at various distances from the BCM.Analysis and assessment of nickel and chromium
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Table 6 Estimate of pillar strength in Fetr6
A remaining pillar failure in Fetr6 Chromite Mine led to a progressive failure of pillars within 4000 m 2 in a few minutes (Dehghan et al. 2013). The sudden collapse of approximately 35 pillarsSoleimani and Jodeiri (2015) defined a production trend in the Iranian chromite mining section. For this, they used a dynamic panel estimation technique was employed using relevant data fromPredicting silver price by applying a coupled multiple
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Influence law of multipoint vibration load on slope stability
The purpose of this work was to explore the influence law of vibration load on rock mass structure and slope stability. Based on the type and transmission way of vibration stress wave, the main stress in the horizontal and vertical directions was analyzed and the superposition effect of the stress wave was revealed. After the mechanical Thirty-one mafic-ultramafic complexes, including the Colkahan, Soghan, Sikhuran and Abdasht complexes, are known in an E–W trending area of 60 km length and 5–10 km width in the Haji Abad-Esfandagheh district of the Kerman province in south-east Iran, constituting Iran’s second largest chromite producer after the Faryab (or Asminon) Mineralogy and composition of chromitites and host
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Hydrothermal alteration of chromitite-dunite pairs from the
Hydrothermal alteration of chromitite bodies in the form of pods (from a few centimeters to a few tens of meters in thickness) from the central sector of the Sabzevar ophiolite belt (NE Iran) was examined down to the nanoscale. The main Cr-spinel alteration feature corresponds to homogeneous cores (primary Cr-spinel) either rimmed by or Iranian Society of Mining Engineering (IRSME) podiform-type chromite deposits in the North of Iran (Sabzevar ophiolite belt) by a logistic-based method [19-21]. The results of these studiesDelineation of podiform-type chromite mineralization
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Table 1 Sample localities of chromitites from southern Iran.
In the Khajeh Jamali chromite mine (see No. 3 in Table 1 for details of location and petrography) chromite lenses of the folded schlieren-type occur in harzburgite and dunite, with a chromiteThe Sabzevar ophiolite is the second largest chromite mine in Iran. • An explorational model obtained by integration of geological and geochemical data. • The IGU for the region was derived by introducing CGF and CR into the model. • The model gives new insights into the genesis/distribution of chromite in the region.Intrinsic geological model generation for chromite pods in
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Ophiolite Chromite Deposits as a New Source for the
For this purpose, two chromite concentrates from ophiolite deposits in Iran and Greece have been tested and compared with South African chromite sands. The first one is a sand used in the Iranian foundry market, the second one is a metallurgical-grade chromite concentrate. Hellenic Mines SA and Fars Chromite Mining Company for Idiomorphic chromite is the only ore mineral appearing in economic quantities. The average content of the ore is 26% Cr 2 O 3 and the Cr/Fe ratio is 1.55. The Kemi chromium mine is an open-pit mine with a waste rock to ore ratio of 5.5:1. At Kemi, the ore from the mine contains 11% iron and 25.5% Cr 2 O 3.Chromite ore beneficiation: prospects and challenges
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