Volume 15 (2024)
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)

Mineral Processing
Optimization of parameters affecting recovery of copper from Sarcheshmeh low-grade sulfide ore using Bioleaching

M. Naderi; Seyed Z. Shafaie; M. Karamoozian; Sh. Gharanjik

Volume 8, Issue 4 , October 2017, , Pages 523-537


  In this work, the parameters affecting the recovery of copper from the low-grade sulfide minerals of Sarcheshmeh Copper Mine were studied. A low-grade sulfide ore was used with a copper grade of 0.25%, which was about 28% of the mineral oxide, and the sulfide minerals made up the rest. Much more sulfide ...  Read More

Computational fluid dynamics simulations for investigation of parameters affecting goaf gas distribution

K.M. Tanguturi; R.S. Balusu

Volume 9, Issue 3 , July 2018, , Pages 547-557


  It is necessary to obtain a fundamental understanding of the goaf gas flow patterns in longwall mine in order to develop optimum goaf gas drainage and spontaneous combustion (sponcom) management strategies. The best ventilation layout for a longwall underground mine should assist in goaf gas drainage ...  Read More

Rock Mechanics
Combining fuzzy RES with GA for predicting wear performance of circular diamond saw in hard rock cutting process

M. Akhyani; R. Mikaeil; F. Sereshki; M. Taji

Volume 10, Issue 3 , July 2019, , Pages 559-574


  Predicting the wear performance of circular diamond saw in the process of sawing hard dimensional stone is an important step in reducing production costs in the stone sawing industry. In the present research work, the effective parameters on circular diamond saw wear are defined, and then the weight ...  Read More

Approaches for Designing Extraction Methods for Randomly Occurring Pocket Formation of Gemstones: A Case of Musakashi Emerald Area, Solwezi, Zambia

J. Manyepa; V. Patson Mutambo

Volume 12, Issue 3 , July 2021, , Pages 605-618


  Designing suitable extraction methods for mining randomly occurring pocket formation of gemstones has never been easy at the Musakashi emerald mine due to the limited geological information. In order to improve the productivity as well as the recovery, in this work,   we undertake a detailed ...  Read More

Improvement of Small-Scale Dolomite Blasting Productivity: Comparison of Existing Empirical Models with Image Analysis Software and Artificial Neural Network Models

Blessing Olamide Taiwo

Volume 13, Issue 3 , July 2022, , Pages 627-641


  Assessment of blast results is a significant approach for the improvement of mining operations. The different procedures for investigating rock fragmentation have their limitations, causing different variation prediction errors. Thus every technique is site-explicit, and applicable for a few explicit ...  Read More

Blast Design for Improved Productivity using a Modified Available Energy Method

S. Mulenga; R. Kaunda

Volume 11, Issue 3 , July 2020, , Pages 643-659


  In this work, a new drilling and blasting design methodology is introduced and applied at a case study mine to improve productivity. For the case study copper mine, a blast diameter of 203 mm is proposed to be used in the ore zone to meet the new required production rate of 90mtpa from 75mtpa. Currently, ...  Read More

A Study on Seismic Analysis of Underground Tunnels for Delhi Metro

Rahul Shakya; Manendra Singh

Volume 14, Issue 3 , July 2023, , Pages 731-754


  Due to fast urbanization, there is a shortage of above-ground surfaces. Thus to reduce this shortage of above-ground surface, underground tunnels are constructed beneath the structure for transportation purposes. As a result, it is critical to understand how earthquakes affect underground tunnels, so ...  Read More

Mineral Processing
Green extraction of Niobium and Tantalum from Kenticha Tantalite ore using 1-Ethyl-3-Methyl Imidazolium Chloride ionic liquid

G.G. Berhe; A. Velázquez del Rosario; Y. Abubeker; W. Girma; T. Bogale; C. Mulugeta Sisay

Volume 9, Issue 4 , October 2018, , Pages 785-794


  The decomposition of the Ethiopian Kenticha tantalite ore was studied using the KOH fusion and H2O leaching system at 400 0C for a 1 h reaction time. The experimental results obtained showed that 27 wt% of Ta2O5 was mainly transformed into insoluble KTaO3, not to be KNbO3, and as well, into the dissolved ...  Read More

Mineral Prospectivity Modeling over Julie Tenement of Northwestern Ghana using Geophysical Datasets

Prince Ofori Amponsah; Eric Dominic Forson

Volume 15, Issue 3 , May 2024, , Pages 791-816


  This study was set out to delineate prospective zones of gold mineralization occurrence over the Julie tenement of Northwestern Ghana using two spatial statistical techniques, namely information value (IV) and weight of evidence (WofE) models. First, 110 locations, where gold (Au) mineralization has ...  Read More

Determining optimal distance from outlet of auxiliary forcing ventilation system to development of heading in underground mines

V. Adjiski; D. Mirakovski; Z. Despodov; S. Mijalkovski

Volume 10, Issue 4 , October 2019, , Pages 821-832


  Auxiliary ventilation of the blind development heading in underground mines is one of the most challenging work activities amongst mining underground operations. The auxiliary forcing ventilation system provides positive pressure, cooling, controlling gas layering, and removing diesel fumes and dust ...  Read More

Estimation of Optimum Geometric Configuration of Mine Dumps in Wardha Valley Coalfields in India: A Case Study

R. Koner

Volume 12, Issue 4 , October 2021, , Pages 907-927


  The Wardha valley coalfields, situated in the western part of India, contribute to more than 7% of the national coal production.  The open-pit mining methods are the modes of exploitation of coal in the majority of the mines in the area. Due to the increased depth of working and higher stripping ...  Read More

3D Modelling and Feasibility Assessment of Granite Deposit using 2D Electrical Resistivity Tomography, Borehole, and Unmanned Aerial Vehicle Survey

Muhammad Junaid; Rini Asnida Abdullah; Radzuan Sa'ari; Wahid Ali; Amber Islam; Mahmut Sari

Volume 13, Issue 4 , October 2022, , Pages 929-942


  This research work aims to critically analyze the efficacy of inexpensive and rapid 2D electrical resistivity tomography (2D ERT) survey for sub-surface geological delineation of granite deposits. The research work involves six ERT profiles using the Schlumberger protocol with an inner and outer electrode ...  Read More

Assessment of Terrain and Land Use/Land Cover Changes of Mine Sites using Geospatial Techniques in Plateau State, Nigeria

A. Owolabi

Volume 11, Issue 4 , October 2020, , Pages 935-948


  In this paper, we report a geospatial assessment of the selected mine sites in the Plateau State, Nigeria. The aim of this work is to determine the impact of mining on the terrain as well as the Land Use/Land Cover (LULC) of the host communities. The Shuttle Radar Topographic Mission (SRTM) is used for ...  Read More

Implementation of Space-Borne Optical Data and Field Investigation for Geo-structural Mapping of an Interior Rift Basin: A Case Study from Kharit Area, Southeastern Desert, Egypt1037

Ahmed Abdelhalim; Islam Abuelella; Shawky M Sakran; Said Mohamed Said

Volume 14, Issue 4 , October 2023, , Pages 1037-1059


  Kharit basin is an interior Cretaceous rift basin hosted in a Precambrian basement complex of the Arabian-Nubian shield. Satellite images and potential geophysical data previously outlined the basin without a detailed field study. Kharit area is a remote and hyper-arid area; therefore, the application ...  Read More

Impacts of coal shrinkage, permeability and petrography on gas regime in mines Case study: Tahmoor coal mine, NSW, Australia

N. I. Aziz; I. Porter; F. Sereshki

Volume 1, Number 1 , January 2010


  The volumetric changes in the coal matrix (Coal Shrinkage), permeability under various gas environment conditions as well as perographical properties were studied in the laboratory. The shrinkage and permeability of coal were examined with respect to changing gas type and confining pressures. The shrinkage ...  Read More

Application of Schmidt rebound number for estimating rock strength under specific geological conditions

S. R. Torabi; M. Ataei; M. Javanshir

Volume 1, Number 2 , July 2010


  A literature review revealed that most of the empirical equations introduced for determination of the uniaxial compressive strength (UCS) of rocks based on the Schmidt hammer rebound number (N) are not sufficiently reliable mostly due to the relatively low coefficient of correlations. This is ...  Read More

On the crack propagation modeling of hydraulic fracturing by a hybridized displacement discontinuity/boundary collocation method

M. Behnia; K. Goshtasbi; M. Fatehi Marji; A. Golshani

Volume 2, Issue 1 , January 2011


  Numerical methods such as boundary element and finite element methods are widely used for the stress analysis in solid mechanics. This study presents boundary element method based on the displacement discontinuity formulation to solve general problems of interaction between hydraulic fracturing and discontinuities. ...  Read More

Selection of new exploration targets using lithogeochemical data obtained for Taknar deposit located in NE of Iran

Kh. Maroufi Naghadehi; A. Hezarkhani; K. Seifpanahi Shabani

Volume 6, Issue 1 , January 2015, , Pages 11-20


  Taknar deposit is located about 28 km to the north-west of Bardaskan in the Khorasan-e-Razavi province, which is situated in the north-eastern part of Iran. This deposit is unique, formed within the Taknar formation in the Ordovician time. As a result, it is of much interest to many researchers working ...  Read More

Operational dynamics of “Galamsey” within eleven selected districts of western region of Ghana

J. Mantey; F. Owusu-Nimo; K.B. Nyarko; A. Aubynn

Volume 8, Issue 1 , January 2017, , Pages 11-34


  The uncontrolled spread of illegal artisanal small-scale gold mining (ASM), popularly termed “galamsey” in Ghana, has, for decades, impacted adversely upon water bodies, soils, wildlife, human health, and safety. A lack of understanding, however, of the types of galamsey, their operational ...  Read More

Enhancing magnetic signals in unexploded ordnances (UXO) detection based on edge-preserved stable downward continuation method

Maysam Abedi; Kiomars Mosazadeh; Hamid Dehghani; Ahmad MadanchiZare

Volume 5, Issue 1 , January 2014, , Pages 13-24


  This paper describes an efficient edge-preserved regularization algorithm for downward continuation of magnetic data in detection of unexploded ordnance (UXO). The magnetic anomalies arising from multi-source UXO can overlap at a height over the ground surface, while causative sources may not be readily ...  Read More

Extension of Excavation Damaged Zone Due to Longwall Working Effect

H. Mohammadi; M. A. Ebrahimi Farsangi; H. Jalalifar; A. R. Ahmadi; A. Javaheri

Volume 7, Issue 1 , January 2016, , Pages 13-24


  In advance longwall mining, the safety of mine network, production rate, and consequently, economic conditions of a mine are dependent on the stability conditions of gate roadways. The gate roadway stability is a function of two important factors: 1) characteristics of the excavation damaged zone (EDZ) ...  Read More

Integration of Landsat-8 and Reflectance Spectroscopy data for Mapping of Late Neoproterozoic Igneous Ring Complexes in an Arid Environment: a Case Study of Gebel El-Bakriyah Area, Eastern Desert, Egypt

Ahmed Abd El-Dayiem Abd El-Fatah; Ahmed Ali Madani; Adel Abd Allah Surour; Mokles Kamal Azer

Volume 14, Issue 1 , January 2023, , Pages 13-31


  The present work aims to enhance the utilization of Landsat-8 data in geological mapping when they are paired with spectroscopic measurements and field observations. This is applied to map and differentiate the different plutonic rocks in the Gebel El-Bakriyah pluton, a peculiar igneous body in the central ...  Read More

Environmental Hazards Associated With Mining Activities in the Vicinity of Bolivian Poopó Lake

V.F Navarro Torres; G Zamora Echenique; R.N Singh

Volume 3, Issue 1 , January 2012, , Pages 15-26


  Hydrographically Bolivian Poopó Lake is located in the basin of Desaguadero River and it has over a dozen main tributary rivers and other smaller rivers with lower flow. The mine water discharge from the abandoned and current mining activities polluted these rivers by carrying heavy metals, dissolved ...  Read More

Numerical modeling of the effects of joint hydraulic aperture, orientation and spacing on rock grouting using UDEC: A case study of Bakhtiary Dam of Iran

Omid Saeidi; Ahmad Ramezanzadeh; Farhang Sereshki; Seyed Mohammad Esmaeil Jalali

Volume 4, Issue 1 , January 2013, , Pages 15-26


  This study aims at presenting a numerical model for predicting grout flow and penetration length into the jointed rock mass using Universal Distinct Element Code (UDEC). The numerical model is validated using practical data and analytical method for grouting process. Input data for the modeling, including ...  Read More

Measurement, Prediction, and Modeling of Bit Wear During Drilling Operations

M. Capik; B. Batmunkh

Volume 12, Issue 1 , January 2021, , Pages 15-30


  Modelling wear of drill bits can increase the efficiency in the drilling operations. Related to the subject, it is aimed to investigate the wear mechanism of drill bits. Wear in drill bits is influenced by many factors related to the drilling and rock properties. The type and intensity of wear are dependent ...  Read More