Gold, Silver and Iron in Iron Oxy-hydroxide Precipitate Formed in Process of Acid Mine Drainage
1. Gold, Silver and Iron in Iron Oxy-hydroxide Precipitate Formed in Process of Acid Mine Drainage

J. Jurković; E. Babajić; T. Muhić – Šarac; M. Kolar; A. Kazlagić

Volume 11, Issue 2 , Spring 2020, Pages 335-346

Abstract
  Oxidation of sulfide-containing ores is the main cause of Acid Mine Drainage (AMD), which is an environmental problem associated with both the abandoned and active mines. Iron-bearing ...  Read More
Mining and Environmental Degradation: a Gift Brings Grief Scenario for Mining Communities in Sierra Leone
2. Mining and Environmental Degradation: a Gift Brings Grief Scenario for Mining Communities in Sierra Leone

M. Fayiah

Volume 11, Issue 2 , Spring 2020, Pages 347-361

Abstract
  Sierra Leone is blessed with abundant natural resources but yet prone to environmental degradation due to the mining operations. Most often, the mining communities are faced with social ...  Read More
A Safe and Sustainable Development in a Hygiene and Healthy Company Using Decision Matrix Risk Assessment Technique: a case study
3. A Safe and Sustainable Development in a Hygiene and Healthy Company Using Decision Matrix Risk Assessment Technique: a case study

R. Kharzi; R. Chaib; I. Verzea; A. Akni

Volume 11, Issue 2 , Spring 2020, Pages 363-373

Abstract
  This article describes the process of improving risk management practices in a foundry of the ALFET Company (Algeria). The proposed methodology is based on the decision matrix risk ...  Read More
Development of Geometallurgical Indices for Semi-Autogenous Grinding at Sarcheshmeh Porphyry Copper Mine
4. Development of Geometallurgical Indices for Semi-Autogenous Grinding at Sarcheshmeh Porphyry Copper Mine

S. Mohammadi; B. Rezai; A. A. Abdolahzadeh

Volume 11, Issue 2 , Spring 2020, Pages 375-385

Abstract
  Geometallurgy tries to predict the instability the behavior of ores caused by variability in the geological settings, and to optimize the mineral value chain. Understanding the ore ...  Read More
An Investigation on Effect of Shell Liner Type on Performance of Industrial SAG Mills Using DEM
5. An Investigation on Effect of Shell Liner Type on Performance of Industrial SAG Mills Using DEM

M. Jahani Chegeni; S. Kolahi

Volume 11, Issue 2 , Spring 2020, Pages 387-404

Abstract
  The shell liner type, rotation speed, and ball filling percent are the key factors influencing the charge behavior inside the SAG mills, and consequently, their performance. In this ...  Read More
Investigating Alteration Zone Mapping Using EO-1 Hyperion Imagery and Airborne Geophysics Data
6. Investigating Alteration Zone Mapping Using EO-1 Hyperion Imagery and Airborne Geophysics Data

M. Lotfi; H. Arefi; A. Bahroudi

Volume 11, Issue 2 , Spring 2020, Pages 405-417

Abstract
  Hyperspectral remote sensing records reflectance or emittance data in a large sum of contiguous and narrow spectral bands, and thus has many information in detecting and mapping the ...  Read More
On Analytic Solutions of Elastic Net Displacements around a Circular Tunnel
7. On Analytic Solutions of Elastic Net Displacements around a Circular Tunnel

M. Hazrati Aghchai; P. Moarefvand; H. Salari Rad

Volume 11, Issue 2 , Spring 2020, Pages 419-432

Abstract
  Displacements around a tunnel, occurring as a result of excavation, consist of the elastic and plastic parts. In this paper, we discuss the elastic part of displacements as a result ...  Read More
Study of Damaged Zone around Circular Opening Using Acoustic Emission Technique
8. Study of Damaged Zone around Circular Opening Using Acoustic Emission Technique

A. Dadi-givshad; M. Ahmadi; H. R. Nejati

Volume 11, Issue 2 , Spring 2020, Pages 433-451

Abstract
  One of the methods used to investigate the damaged zone in rock structure is the acoustic emission method. This method is based on receiving the elastic waves that are produced by deformation ...  Read More
Detection of Zones Based on Ore and Gangue Using Fractal and Multivariate Analysis in Chah Gaz Iron Ore Deposit, Central Iran
9. Detection of Zones Based on Ore and Gangue Using Fractal and Multivariate Analysis in Chah Gaz Iron Ore Deposit, Central Iran

M. Mirzaie; P. Afzal; A. Adib; E. Rahimi; Gh. Mohammadi

Volume 11, Issue 2 , Spring 2020, Pages 453-466

Abstract
  Detection of mineralized zones based on ores and gangues is important for mine planning and excavation operation. The major goal of this research work was to determine the zones based ...  Read More
A 3D Discrete Element Analysis of Failure Mechanism of Shallow Foundations in Rocks
10. A 3D Discrete Element Analysis of Failure Mechanism of Shallow Foundations in Rocks

S. Sepehri; R. Shirinabadi; N. Hosseini Alaee; E. Moosavi; A. H. Bangian Tabrizi

Volume 11, Issue 2 , Spring 2020, Pages 467-480

Abstract
  In this research work, a 3D numerical modeling technique is proposed based on the 3D particle flow code in order to investigate the failure mechanism of rock foundations. Two series ...  Read More
An Optimum Selection of Simulated Geological Models by Multi-Point Geostatistics and Multi-Criteria Decision-Making Approaches; a Case Study in Sungun Porphyry-Cu deposit, Iran
11. An Optimum Selection of Simulated Geological Models by Multi-Point Geostatistics and Multi-Criteria Decision-Making Approaches; a Case Study in Sungun Porphyry-Cu deposit, Iran

S. Talesh Hosseini; O. Asghari; Seyed A. Torabi; M. Abedi

Volume 11, Issue 2 , Spring 2020, Pages 481-503

Abstract
  An accurate modeling of sophisticated geological units has a substantial impact on designing a mine extraction plan. Geostatistical simulation approaches, via defining a variogram model ...  Read More
A New Method for Forecasting Uniaxial Compressive Strength of Weak Rocks
12. A New Method for Forecasting Uniaxial Compressive Strength of Weak Rocks

Hadi Fattahi

Volume 11, Issue 2 , Spring 2020, Pages 505-515

Abstract
  The uniaxial compressive strength of weak rocks (UCSWR) is among the essential parameters involved for the design of underground excavations, surface and underground mines, foundations ...  Read More
Application of Phytoremediation to Reduce Environmental Pollution of Copper Smelting and Refinery Factories: a Review
13. Application of Phytoremediation to Reduce Environmental Pollution of Copper Smelting and Refinery Factories: a Review

R. Siyar; F. Doulati Ardejani; M. Farahbakhsh; M. Yavarzadeh; S. Maghsoudy

Volume 11, Issue 2 , Spring 2020, Pages 517-537

Abstract
  Copper smelting and refinery factories are the final stages of a pyrometallurgical processing chain, and they cause many environmental challenges around the world. One of the most common ...  Read More
TBM Tunneling Construction Time with Respect to Learning Phase Period and Normal Phase Period
14. TBM Tunneling Construction Time with Respect to Learning Phase Period and Normal Phase Period

E. Farrokh

Volume 11, Issue 2 , Spring 2020, Pages 539-554

Abstract
  In every tunnel boring machine (TBM) tunneling project, there is an initial low production phase so-called the Learning Phase Period (LPP), in which low utilization is experienced and ...  Read More
Application of Power-Law Frequency Fractal Model for Recognition of Vertical Cu Distribution in Milloieh Porphyry Deposit, SE Iran
15. Application of Power-Law Frequency Fractal Model for Recognition of Vertical Cu Distribution in Milloieh Porphyry Deposit, SE Iran

N. R. Ahmadi; M. R. Jafari; M. R. Espahbod; N. Kohansal Ghadimvand

Volume 11, Issue 2 , Spring 2020, Pages 555-562

Abstract
  Identification of the vertical and horizontal distributions for elemental grades is of an important sign in different mineral exploration stages. The main aim of this work is to determine ...  Read More
A Modified Schimazek’s F-abrasiveness Factor for Evaluating Abrasiveness of Andesite Rocks in Rock Sawing Process
16. A Modified Schimazek’s F-abrasiveness Factor for Evaluating Abrasiveness of Andesite Rocks in Rock Sawing Process

J. Ziaei; S. Ghadernejad; A. Jafarpour; R. Mikaeil

Volume 11, Issue 2 , Spring 2020, Pages 563-575

Abstract
  One of the most crucial factors involved in the optimum design and cost estimation of rock sawing process is the rock abrasivity that could result in a significant cost increase. Various ...  Read More
Development of An Integrated Mathematical Model to Optimize Waste Rock dumping Satisfying Environmental Aspects
17. Development of An Integrated Mathematical Model to Optimize Waste Rock dumping Satisfying Environmental Aspects

T. Ramezanalizadeh; M. Monjezi; A. R. Sayadi; A. Mousavinogholi

Volume 11, Issue 2 , Spring 2020, Pages 577-586

Abstract
  Waste rock dumping is very important in the production planning of open-pit mines. This subject is more crucial when there is a potential of acid-forming (PAF) by waste rocks. In such ...  Read More
Method of Grading Subway Stations Based on Evacuation Capability: A Quantitative Method
18. Method of Grading Subway Stations Based on Evacuation Capability: A Quantitative Method

M. Hosseini; H. Madani; K. Shahriar

Volume 11, Issue 2 , Spring 2020, Pages 587-609

Abstract
  Stations are the main components of the subway systems. Despite the progress in the construction and maintenance, stations have always been exposed to the natural and man-made disasters. ...  Read More
A Hybrid Fuzzy MCDM Approach to Determine an Optimal Block Size in Open-Pit Mine Modeling: a Case Study
19. A Hybrid Fuzzy MCDM Approach to Determine an Optimal Block Size in Open-Pit Mine Modeling: a Case Study

J. Abdollahei Sharif; A. Jafarpour; S. Yousefi

Volume 11, Issue 2 , Spring 2020, Pages 611-627

Abstract
  The computer-based 3D modeling of ore bodies is one of the most important steps in the resource estimation, grade determination, and production scheduling of open-pit mines. In the ...  Read More
3D Characterization of Uniaxial Compressive Strength of Transversely-Isotropic Intact Rocks
20. 3D Characterization of Uniaxial Compressive Strength of Transversely-Isotropic Intact Rocks

V. Maazallahi; A. Majdi

Volume 11, Issue 2 , Spring 2020, Pages 629-641

Abstract
  The uniaxial compressive strength (UCS) of intact rocks is one of the key parameters in the course of site characterizations. The isotropy/anisotropy condition of the UCS of intact ...  Read More