Volume 14 (2023)
Volume 13 (2022)
Volume 12 (2021)
Volume 11 (2020)
Volume 10 (2019)
Volume 9 (2018)
Volume 8 (2017)
Volume 7 (2016)
Volume 6 (2015)
Volume 5 (2014)
Volume 4 (2013)
Volume 3 (2012)
Volume 2 (2011)
Volume 1 (2010)

Using an experimental drilling simulator to study operational parameters in drilled-cutting transport efficiency

M. Dehvedar; P. Moarefvand; A.R. Kiyani; A. R. Mansouri

Volume 10, Issue 2 , April 2019, , Pages 417-428


  Inadequate hole cleaning can lead to many problems in horizontal and directional wells. In this work, we tried to investigate the cutting transport phenomenon by an experimental directional drilling simulator, considering the differences between the operational and experimental conditions. The inclination, ...  Read More

Applying Analytical and Quantitative Criteria to Estimate Block Model Uncertainty and Mineral Reserve Classification: A Case Study: Khoshumi Uranium Deposit in Yazd

M. Taghvaeenejad; M.R. Shayestefar; P. Moarefvand

Volume 12, Issue 2 , April 2021, , Pages 425-441


  At different stages of mining, we always face a degree of uncertainty. Some of these uncertainties, such as the amount of reserve and grade of the deposit, are due to the inherent changes in the deposit and directly affect the technical and economic indicators of the deposit. On the other hand, the heavy ...  Read More

Rock Mechanics
A field investigation of application of digital terrestrial photogrammetry to characterize geometric properties of discontinuities in open-pit slopes

M. M. Samieinejad; N. Hosseini; K. Ahangari

Volume 8, Issue 3 , July 2017, , Pages 455-465


  In order to analyze the slope stability in open-pit mines, the structural parameters of rock mass such as persistence and spatial orientation of discontinuities are characterized through field surveys, which involve spending high costs and times as well as posing high risks of rock toppling and rock ...  Read More

Application of Machine Learning Models for Predicting Rock Fracture Toughness Mode-I and Mode-II

E. Emami Meybodi; Syed Kh. Hussain; M. Fatehi Marji; V. Rasouli

Volume 13, Issue 2 , April 2022, , Pages 465-480


  In this work, the machine learning prediction models are used in order to evaluate the influence of rock macro-parameters (uniaxial compressive strength, tensile strength, and deformation modulus) on the rock fracture toughness related to the micro-parameters of rock. Four different types of machine ...  Read More

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 , April 2020, , Pages 467-480


  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 of footings with different geometries and areas are considered in this work. The failure mechanism obtained is similar ...  Read More

Rock Mechanics
Effect of temperature as well as heating and cooling cycles on rock properties

M. Hosseini

Volume 8, Issue 4 , October 2017, , Pages 631-644


  Temperature has a significant role in many actions performed on rocks. An example would be the effect of temperature on rocks in the burial of nuclear waste, geothermal energy extraction, deep oil well drilling, and fires in tunnels. In addition, due to diurnal/nocturnal as well as seasonal temperature ...  Read More

Estimation of coal seams gas content for evaluating potential use of methane drainage system in Tabas coal mine

M. Mohtasham Seyfi; J. Khademi Hamidi; M. Monjezi; A. Hosseini

Volume 9, Issue 3 , July 2018, , Pages 667-677


  Methane gas emission, accumulation, and explosion are the most important risk factors in underground coal mines. Hence, having a knowledge of methane gas emission potential in underground coal mines is of crucial importance in preventing the explosion risk, loss of life, and property, and providing miners' ...  Read More

Geostatistical estimation to delineate oxide and sulfide zones using geophysical data; a case study of Chahar Bakhshi vein-type gold deposit, NE Iran

H. Azmi; P. Moarefvand; A. Maghsoudi

Volume 10, Issue 3 , July 2019, , Pages 679-694


  Delineation of oxide and sulfide zones in mineral deposits, especially in gold deposits, is one of the most essential steps in an exploration project that has been traditionally carried out using the drilling results. Since in most mineral exploration projects there is a limited drilling dataset, application ...  Read More

Mineral Potential Modeling of Porphyry Copper Deposits using Continuously-Weighted Spatial Evidence Layers and Union Score Integration Method

E. Bahri; A. Alimoradi; M. Yousefi

Volume 12, Issue 3 , July 2021, , Pages 743-751


  There are different exploration methods, each of which may introduce a number of promising exploration targets. However, due to the financial and time constraints, only a few of them are selected as the exploration priorities. Instead of the individual use of any exploration method, it is common to integrate ...  Read More

Dissolution of Nickel and Cobalt from Iron-Rich Laterite Ores Using Different Organic Acids

M. Hosseini Nasab; M. Noaparast; H. Abdollahi

Volume 11, Issue 3 , July 2020, , Pages 779-797


  Due to the decreasing production of nickel and cobalt from sulfide sources, the Ni and Co extraction from the oxide ores (laterites) have become more prevalent. In this research work, the effects of calcination prior to leaching, acid concentration, percent solid, pH, and stirring speed on the nickel ...  Read More

The Finite Difference Analysis of Empirical Tunnel Support Design in High Stress fractured rock mass Environment at the Bunji Hydropower Project, Pakistan

Hafeezur Rehman; Wahid Ali; Kausar sultan Shah; Mohd Hazizan bin Mohd Hashim; Naseer Muhammad Khan; Muhammad Ali; Muhammad Kamran; Muhammad Junaid

Volume 13, Issue 3 , July 2022, , Pages 781-795


  Support design is the main goal of the Q and rock mass rating (RMR) systems. An assessment of the Q and RMR system application in tunnelling involving high-stress ground conditions shows that the first system is more appropriate due to the stress reduction factor. Recently, these two systems have been ...  Read More

Mineral Processing
Solvent extraction of copper from an industrial sulfate liquor using Chemorex CP-150

S. Feizollahi; A. Azizi

Volume 9, Issue 4 , October 2018, , Pages 905-916


  The extraction behavior of Cu(II) ions from a real sulfate liquor obtained from the heap leaching stage of a copper oxide ore was investigated using a chelating reagent, Chemorex CP-150 in kerosene. A comparative study was also carried out on the extraction capability of Cu(II) ions using other solvents ...  Read More

Rock Mechanics
Effects of number of freeze-thaw cycles and freezing temperature on mode I and mode II fracture toughness of cement mortar

K. Abdolghanizadeh; M. Hosseini; M. Saghafiyazdi

Volume 10, Issue 4 , October 2019, , Pages 967-978


  Natural and artificial materials including rocks and cement-based materials such as concrete and cement mortar are affected both physically and chemically by various natural factors known as weathering factors. The freeze-thaw process, as a weathering factor, considerably affects the properties of rocks ...  Read More

Fe3O4@TiO2@V2O5 as an Efficient Magnetic Nanoparticle for Synthesis of Di-Indolyl Oxindole Derivatives

H. Hassani; A. Agah

Volume 12, Issue 4 , October 2021, , Pages 1041-1053


  In this work, Fe3O4@TiO2@V2O5 is synthesized via functionalization of Fe3O4 with TiO2 and then modifying with V2O5. The characterization of the synthesized nano-catalyst is performed using several methods including XRD, TEM, SEM, EDS, TGA, and VSM. This nano-catalyst impressively catalyzes the synthesis ...  Read More

Application of Probabilistic Clustering Algorithms to Determine Mineralization Areas in Regional-Scale Exploration Studies

H. Geranian; Z. Khajeh Miry

Volume 11, Issue 4 , October 2020, , Pages 1059-1078


  In this work, we aim to identify the mineralization areas for the next exploration phases. Thus, the probabilistic clustering algorithms due to the use of appropriate measures, the possibility of working with datasets with missing values, and the lack of trapping in local optimal are used to determine ...  Read More

Forward Modeling of Frequency-domain Helicopter-borne Electromagnetic Data using an Improved Finite Difference Method

Saeed Nazari; Alireza Arab Amiri; Abolghasem Kamkar Rouhani; Fereydoun Sharifi

Volume 13, Issue 4 , October 2022, , Pages 1067-1089


  In this work, we simulate the frequency-domain helicopter-borne electromagnetic (HEM) data over the two-dimensional (2D) and three-dimensional (3D) earth models. In order to achieve this aim, the vector Helmholtz equation is used to avoid the convergence problems in Maxwell’s equations, and the ...  Read More

Analysis of Granite Failure Modes and Energy Conversion Under Uniaxial Compression at Various Temperatures

kausar Sultan shah; Naeem Abbas; Li Kegang; Mohd Hazizan bin Mohd Hashim; Hafeez Ur Rehman; Khan Gul Jadoon

Articles in Press, Accepted Manuscript, Available Online from 30 April 2023


  The rocks in the studied area are prone to deterioration and failure due to frequent exposure to extreme temperature variations and loading conditions. In the context of rock engineering reliability assessment, understanding the energy conversion process in rocks is critical. Therefore, this research ...  Read More

Predicting Arsenic Behavior in the Wastewater of Mouteh Gold Plant by Geochemical Modeling

Mohammad Reza Samadzadeh Yazdi; Mohammad Reza Tavakoli Mohammadi; Ahmad Khodadadi

Volume 4, Issue 1 , January 2013, , Pages 57-65


  Arsenic is one of the heavy metals and nearly all its compounds, especially organic compounds, are toxic. The wide spectrum of diseases caused by this element has led to evaluation of the toxicity of different arsenic species and identification of the major natural and anthropogenic pollution sources ...  Read More

Kinetics of chemical leaching of chalcocite from low-grade copper ore: size-distribution behavior

Hojat Naderi; Mahmoud Abdollahy; Navid Mostoufi

Volume 6, Issue 1 , January 2015, , Pages 109-118


  Kinetics of the chemical leaching of chalcocite from a low-grade copper ore in a ferric sulfate medium was investigated using the constrained least square optimization technique. The experiments were carried out for different particle sizes in both the reactor and column at constant Eh, pH, and temperature. ...  Read More

Dimensionality analysis of subsurface structures in magnetotellurics using different methods (a case study: oil field in Southwest of Iran)

M. Filbandi Kashkouli; A. Kamkar Rouhani; Ali Moradzadeh; H. Assi

Volume 7, Issue 1 , January 2016, , Pages 119-126


  Magnetotelluric (MT) method is an electromagnetic technique that uses the earth natural field to map the electrical resistivity changes in subsurface structures. Because of the high penetration depth of the electromagnetic fields in this method (tens of meters to tens of kilometers), the MT data is used ...  Read More

Mineral Processing
An innovative application of (NiXZnX–X Fe2O4) Mineral nanoparticles for adsorption of Malachite green dye from wastewater effluents

M. R. Heydartaemeh

Volume 9, Issue 1 , January 2018, , Pages 143-152


  In this research work, the Ni-Zn Ferrite Mineral Nanoparticles (NZFMN), as a novel nanoadsorbent, was used for the removal of the Green Malachite (GM) dye from aqueous solutions by in a batch and fixed bed column. Firstly, the NZFMN adsorption properties were investigated. The effects of the process ...  Read More

Mineral Processing
Combined DEM and SPH simulation of ball milling

M. Jahani Chegeni

Volume 10, Issue 1 , January 2019, , Pages 151-161


  A deeper understanding of the milling operation of ball mills helps mineral processing engineers to control and optimize them, and therefore, reduce their consuming power. In this work, the milling operation of ball mills is investigated using two methods, i.e. DEM and combined DEM-SPH. First, a pilot ...  Read More

Quantifying Roof Falling Potential based on CMRR Method by Incorporating DEMATEL-MABAC Method; A Case Study

S. Mohammadi; M. Babaeian; M. Ataei; K. Ghanbari

Volume 12, Issue 1 , January 2021, , Pages 151-162


  This work incorporates the DEMATEL-MABAC method for quantifying the potential of roof fall in coal mines by means of the coal mine roof rating (CMRR) parameters. For this purpose, considering the roof weighting interval as a quantitative criterion for the stability of the roof, the immediate roof falling ...  Read More

The Effect of Operating Parameters on Bromine Extraction from Desalination Plant Discharge

A. Moeini; S. Mohammadnejad

Volume 13, Issue 1 , January 2022, , Pages 165-174


  A comprehensive utilization of concentrated seawater is crucial in order to promote the development of the desalination industry as a key solution to global freshwater. Debromination of the desalination plant effluent as well as the bromine product extraction are two parallel goals, which have been the ...  Read More

Assessment of Heavy Metal Contamination in Waters due to Mineral Salts Company from Mighan playa/lake, Arak, Iran

F. Ghadimi; A. Hajati; A. Sabzian

Volume 11, Issue 1 , January 2020, , Pages 171-184


  The Mighan playa/lake is characterized as a closed catchment. In the recent years, the rapid industrialization and urbanization has resulted in a pollution area in the city of Arak. In this work, we focus on six regions around the playa/lake to study the distribution of heavy metals in the waters and ...  Read More