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)

An applied comparison between conventional pre-dispersed solvent extraction (PDSE) contactors and new dissolved nitrogen PDSE (DNPDSE) ones

M. R. Tavakoli Mohammadi; Seyed M. J. Koleini; M. Abdollahy

Volume 6, Issue 2 , July 2015, , Pages 159-168


  Efforts to increase the mass transfer coefficient, enhance the contact area, and decrease the power input of contractors have given risen to the development of the pre-dispersed solvent extraction (PDSE) contactor and the devise of the new dissolved nitrogen PDSE (DNPDSE) contactors. The studies conducted ...  Read More

Prediction of slope stability using adaptive neuro-fuzzy inference system based on clustering methods

H. Fattahi

Volume 8, Issue 2 , April 2017, , Pages 163-177


  Slope stability analysis is an enduring research topic in the engineering and academic sectors. Accurate prediction of the factor of safety (FOS) of slopes, their stability, and their performance is not an easy task. In this work, the adaptive neuro-fuzzy inference system (ANFIS) was utilized to build ...  Read More

Application of stochastic programming for iron ore quality control

J. Gholamnejad; A. Azimi; M.R. Teymouri

Volume 9, Issue 2 , April 2018, , Pages 331-338


  Stockpiling and blending play a major role in maintaining the quantity and quality of the raw materials fed into processing plants, especially the cement, iron ore and steel making, and coal-fired power generation industries that usually require a much uniformed feed. Due to the variable nature of such ...  Read More

Application of fractal modeling to delineate alteration zones and lithological units in Masjed-Daghi Cu-Au porphyry deposit, NW Iran

H. Nikoogoftar Safa; A. Hezarkhani

Volume 10, Issue 2 , April 2019, , Pages 339-356


  In this paper, we aim to present a quantitative modeling for delineating the alteration zones and lithological units in the hypogene zone of Masjed-Daghi Cu-Au porphyry deposit (NW Iran) based on the drill core data. The main goal of this work is to apply Ordinary Kriging (OK) and concentration-volume ...  Read More

Adaptive Multi-Size Block Modeling for Mineral Resources and Ore Reserves Evaluation

F. Khorram; O. Asghari; H. Memarian; A. Hoseein Morshedy; X. M. Emery

Volume 12, Issue 2 , April 2021, , Pages 339-350


  The key input parameters for mine planning and all subsequent mining activities is based on the block models. The block size should take into account for the geological heterogeneity and the grade variability across the deposit. Providing grade models of smaller blocks is more complex and costly than ...  Read More

A new method to consider spatial risk assessment of cross-correlated heavy metals using geo-statistical simulation

M. Sakizadeh; M. T. Sattari; H. Ghorbani

Volume 8, Issue 3 , July 2017, , Pages 373-391


  The soil samples were collected from 170 sampling stations in an arid area in Shahrood and Damghan, characterized by prevalence of mining activity. The levels of Co, Pb, Ni, Cs, Cu, Mn, Sr, V, Zn, Cr, and Tl were recorded in each sampling location. A new method known as min/max autocorrelation factor ...  Read More

Mineral Processing
Development of Geometallurgical Indices for Semi-Autogenous Grinding at Sarcheshmeh Porphyry Copper Mine

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

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


  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 variability and subsequently the process response are considered to be the most important functions of an accurate geometallurgical ...  Read More

Developing New Models for Flyrock Distance Assessment in Open-Pit Mines

J. Shakeri; H. Amini Khoshalan; H. Dehghani; M. Bascompta; K. Onyelowe

Volume 13, Issue 2 , April 2022, , Pages 375-389


  In this research work, a comprehensive study is conducted to predict flyrock as a typical and undesirable phenomenon occurring during the blasting operation in open-pit mining. Despite the availability of several empirical methods for predicting the flyrock distance, the complexity of flyrock analysis ...  Read More

Sub-pixel classification of hydrothermal alteration zones using a kernel-based method and hyperspectral data; A case study of Sarcheshmeh Porphyry Copper Mine and surrounding area, Kerman, Iran

A. Salimi; M. Ziaii; A. Amiri; M. Hosseinjani Zadeh

Volume 8, Issue 4 , October 2017, , Pages 555-565


  Remote sensing image analysis can be carried out at the per-pixel (hard) and sub-pixel (soft) scales. The former refers to the purity of image pixels, while the latter refers to the mixed spectra resulting from all objects composing of the image pixels. The spectral unmixing methods have been developed ...  Read More

A GIS-aided resource estimation of coalfields in Kangal basin, Sivas province, Turkey

B. A. Mert

Volume 9, Issue 3 , July 2018, , Pages 581-591


  This paper presents the procedures used for determining and defining the tonnage and grade of the coalfields of Kangal basin from the developed GIS-aided block model. In this work, firstly, all the lithological logs of drill holes and chemical analysis data of core in the basin were analyzed with the ...  Read More

Determination of optimal bandwidth in upscaling process of reservoir data using kernel function bandwidth

M. R. Azad; A. Kamkar Rouhani; B. Tokhmechi; M. Arashi

Volume 10, Issue 3 , July 2019, , Pages 613-621


  Upscaling based on the bandwidth of the kernel function is a flexible approach to upscale the data because the cells will be coarse-based on variability. The intensity of the coarsening of cells in this method can be controlled with bandwidth. In a smooth variability region, a large number of cells will ...  Read More

Impact Assessment of Mining Activities on Surface and Sub-Surface Water Condition of Ramgarh, Jharkhand, India using Geospatial Techniques

S. Kumar Jha; P. Warwade; S. Kumar Mahto

Volume 12, Issue 3 , July 2021, , Pages 651-665


  This work illustrates the impact of excessive mining on the precipitation trends and ground water condition of the Ramgarh district over a period of 12 years (2007-2018). The Landsat 8 and Landsat TM- 5 data is processed under Arc-GIS in order to compare the LULC maps. Out of 7 classified classes, the ...  Read More

Comparison of Efficiencies of Neutralizing Agents for Heavy Metal Removal from Acid Mine Drainage

Afrodita Zendelska; Adrijana Trajanova; Mirjana Golomeova; Blagoj Golomeov; Dejan Mirakovski; Nikolinka Doneva; Marija Hadzi-Nikolova

Volume 13, Issue 3 , July 2022, , Pages 679-691


  The treatment of acid mine drainages is usually based on two basic technologies, active and passive treatment technologies. Whichever acid mine drainage (AMD) treatment method is employed, a neutralizing procedure that raises the water's pH over 7.0 using alkaline agents is required prior to discharge. ...  Read More

Application of Sequential Gaussian Conditional Simulation to Underground Mine Design Under Grade Uncertainty

F. Sotoudeh; M. Ataei; R. Kakaie; Y. Pourrahimian

Volume 11, Issue 3 , July 2020, , Pages 695-709


  In mining projects, all uncertainties associated with a project must be considered to determine the feasibility study. Grade uncertainty is one of the major components of technical uncertainty that affects the variability of the project. Geostatistical simulation, as a reliable approach, is the most ...  Read More

A new 2D block ordering system for wavelet-based multi-resolution up-scaling

B. Tokhmechi; M. Rabiei; H. Azizi; V. Rasouli

Volume 9, Issue 4 , October 2018, , Pages 817-828


  A complete and accurate analysis of the complex spatial structure of heterogeneous hydrocarbon reservoirs requires detailed geological models, i.e. fine resolution models. Due to the high computational cost of simulating such models, single resolution up-scaling techniques are commonly used to reduce ...  Read More

Evaluation of background geochemical speciation of heavy metals in overburden topsoil of bituminous sand deposit area, Ondo state, Nigeria

O.E. Ifelola

Volume 10, Issue 4 , October 2019, , Pages 869-882


  Metals are ubiquitous within the earth crust. However, the exceptional high-level concentration of heavy metals in the soil due to natural or anthropogenic activities and the chemical forms in which they exist determine the level of risk they portend to the environment. This work was aimed at determining ...  Read More

Substantiating Parameters of Reinforced Rock Supports

S. Hryhorovych Nehrii; T. Oleksandrivna Nehrii; H. Viktorivna Piskurska; E. Viktorovych Fesenko; Y. Yevhenovych Pavlov; A. Mykolaiovych Surzhenko

Volume 12, Issue 4 , October 2021, , Pages 953-967


  In this work, we focus on the technology of stabilizing roof rocks by constructing separate rock supports reinforced with metal grids. Their parameters are specified using the results of physical structural modeling. The reinforced and non-reinforced rock supports with different fractional compositions ...  Read More

Investigating Effect of Tunnel Size, Rock Mass Conditions, and In-Situ Stresses on Stability of Tunnels

Hafeezur Rehman; Ahmad Shah; Mohd Hazizan bin Mohd Hashim; Naseer Muhammad Khan; Wahid Ali; Kausar Sultan Shah; Muhammad Junaid; Rafi Ullah; Muhammad Bilal Adeel

Volume 13, Issue 4 , October 2022, , Pages 973-987


  The major factors affecting tunnel stability include the ground conditions, in-situ stresses, and project-related features. In this research work, critical strain, stress reduction factor (SRF), and capacity diagrams are used for tunnel stability analysis. For this purpose, eighteen tunnel sections are ...  Read More

Dilution Risk Ranking in Underground Metal Mines using Multi-Attributive Approximation Area Comparison

M. Mohseni; M. Ataei; R. Khaloo Kakaie

Volume 11, Issue 4 , October 2020, , Pages 977-989


  The contamination of ores with wastes or materials of lower than the cut-off grade is referred to as dilution. Dilution is an undesirable phenomenon that, on one hand, reduces the product grade and, consequently, reduces the sales prices and, on the other hand, adds an extra cost to waste production. ...  Read More

A state-of-the-art review of mechanical rock excavation technologies

A. Ramezanzadeh; M. Hood

Volume 1, Number 1 , January 2010


  The first step in mining activities is rock excavation in both mine development and production. Constant pressure for cost reduction and creating an improved/safe work environment for personnel has naturally resulted in increased use of mechanical excavation systems in many mining operations. Also, mechanical ...  Read More

Geochemical and mineralogical characteristic of the VHMS alteration pipe, major elements variations and peraluminous ratio, in high grade metamorphosed rocks

R. Ghavami-Riabi; H.F.J. Theart

Volume 1, Number 2 , July 2010


  The massive sulphide deposit at Kantienpan Cu-Zn mine is hosted by volcano sedimentary succession known as the Areachap Group, in the eastern part of Namaqua Metamorphic Province, South Africa. The deposits were affected by a complex deformation and metamorphic history and represent ...  Read More

Support vector regression for prediction of gas reservoirs permeability

R. Gholami; A. Moradzadeh

Volume 2, Issue 1 , January 2011


  Reservoir permeability is a critical parameter for characterization of the hydrocarbon reservoirs. In fact, determination of permeability is a crucial task in reserve estimation, production and development. Traditional methods for permeability prediction are well log and core data analysis which are ...  Read More

Change Detection of Surface Water of Atfih Spring by Integrated Effect of Rainfall Storms and Geological Structures using Landsat Data

Deemah Saad Mahmoud; Ahmed Ali Madani; Said Mohamed Said; Mohamed Mokhtar Yehia; Tamer Nassar

Articles in Press, Accepted Manuscript, Available Online from 20 January 2023


  The eastern border of the Nile valley south of Cairo is distinguished by numerous springs and associated surface water bodies, e.g. Ain El-Sira, Helwan, and Atfih. Except the latter, all of them were disseminated in urban areas, and were hardly detected by remote sensing data. Thus, studying the surface ...  Read More

Formation interface detection using Gamma Ray log: A novel approach

Mostafa Javid; Behzad Tokhmechi

Volume 3, Issue 1 , January 2012, , Pages 41-50


  There are two methods for identifying formation interface in oil wells: core analysis, which is a precise approach but costly and time consuming, and well logs analysis, which petrophysists perform, which is subjective and not completely reliable. In this paper, a novel coupled method was proposed to ...  Read More

The impact of poor cementing casing damage: A numerical simulation study

M. Hemmatian; B. Tokhmchi; V. Rasouli; R. Gholami

Volume 6, Issue 1 , January 2015, , Pages 41-53


  A good knowledge of the parameters causing casing damage is critically important due to vital role of casing during the life of a well. Cement sheath, which fills in the gap between the casing and wellbore wall, has a profound effect on the resistance of the casing against applied loads. Most of the ...  Read More