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Author: I.Year: 2006clear all
Showing 1-50 of 75 records
6th International Scientific Conference - SGEM
Publication

3D CADASTRE. WHAT? WHY? HOW?

(SGEM Scientific GeoConference, 2006, V. Gjorgjiev, G. Gjorgjiev)

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The need of real publication and distribution of the data from the cadastral systems more emphasized dictate adequate engagement of methodology and algorithms for registration of constrictive components which helps discretization of space phenomena and events. Within the turbulent ideas the cadastral systems which are functionally based on 2D treatment of property units do not have ability to accept and fulfill complex constructive segments and their contacts whit the close surroundings. This is only a part of the...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

A DAMAGE IN A BUILDING EXCAVATION. REASONS AND LESSONS

(SGEM Scientific GeoConference, 2006, I. Ivanov, N. Popov, E. Beikova)

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Authors consider a damage in a building excavation, which took place in June 2005 at the environs of Sofia. The slope of the excavation is protected by anchors and protective net but after the heavy rains during the whole month of June 2005 it begins to degrade. An emergency additional strengthening is made and the degradation is stopped. The paper considers the reasons for the damage and outlines the results of the investigations and laboratory tests made afterwards. The specific characteristics of the soil that ...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

AIR POLLUTION STUDIES AT THE GEOPHYSICAL INSTITUTE, BULGARIAN ACADEMY OF SCIENCES

(SGEM Scientific GeoConference, 2006, N.G. Miloshev)

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The present work aims at presenting the main research topics of GPhI in the field of numerical air pollution modeling. The basic dynamic and pollution transport models, applied for the purpose are briefly described. Some study results are demonstrated, concerning air pollution modeling in local and regional scales.

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

AN INVESTIGATION OF EFFECTING LANDSLIDE POTENTIAL OF GROUND VIBRATIONS CAUSED BY BLASTING AT KORKUTHAN QUARRY LOCATED AT BESIKDUZU, TRABZON

(SGEM Scientific GeoConference, 2006, F. Cihangir, B. Ercikdi, A. Kesimal)

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This study was aimed to determine the levels of blast-induced vibrations at BayД±rk\"oy town situated in the boundary of BeЕџikd\"uz\"u and being said to be affected by the blasting generated at Korkuthan Quarry being located at the edge of Akhisar Brook in BeЕџikd\"uz\"u in Trabzon. Korkuthan Quarry has assured riprap materials for filling the sea and sea fortification for the construction of Espiye-\cCarЕџД±baЕџД± coastal highway (including Giresun coastal highway) at the scope of The Black Sea Coastal Way Rehab...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

ANOMALY/BACKGROUND SEPARATION BY APPLYING THE CORRESPONDENCE ANALYSIS METHOD IN THE ENJERD SKARN, IRAN

(SGEM Scientific GeoConference, 2006, A. Hezarkhani, S. Bagherifar)

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The Correspondence Analysis Method (CAM) is actually a Non-structural method that could be used to define the anomaly from the background. To apply this method, representative samples of a large area are necessary but knowing the exact location of each sample is not necessary. Base on this method, the litho-geochemical data would be mathematically process to extract the valuable factors needed to plot a two by two diagram. This method has been applied on available data in Enjerd skarn deposit. Five factors have be...

Geology2006
6th International Scientific Conference - SGEM
Publication

APPLICATION OF FUZZY LOGIC IN MINING METHOD SELECTION

(SGEM Scientific GeoConference, 2006, H. Dezyani, K. Shahriar, M. Ataei, M. Afshar)

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The use of numerical systems to evaluate the appropriateness of a mining method for a particular ore deposit has been in use for some time. These systems rely on ranking a finite number of geometrical, geological, and geomechanical parameters to arrive at a rating value for different mining methods. Nowadays application of fuzzy logic has been paid attention for selection of mining exploitation method. The mining method selection (MMS) system takes account of the uncertainty associated with boundary conditions of ...

Informatics2006
6th International Scientific Conference - SGEM
Publication

APPLICATION OF GPS RTK METHOD IN CONSTRUCTION OF SETTLEMENTS

(SGEM Scientific GeoConference, 2006, R. Paar, G. Novakovic, Z. Kapovic)

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Global Navigation Satellite Systems (GNSS) (predominantly GPS carrier phase-based positioning) are used today more and more in various areas of geodesy and surveying. In order to determine the position of a large number of points as quickly as possible, GPS RTK (Real Time Kinematic) surveying method is the most productive one because the coordinates are obtained in real time directly in the field and involve occupying points for a short period of time. Because point positions with high precision are immediately kn...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

APPLICATION OF GPS TECHNOLOGIES IN GEODETIC PROCESSES

(SGEM Scientific GeoConference, 2006, J. Eftimov)

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It was successfully completed the first stage of the development of a multi-functional network of permanent GPS base stations in Bulgaria. The network receives and monitors the satellite signals from both the American network GPS and the Russian network GLONASS. The developed network allows the user to operate in real time as well as in post processing mode contributing significantly for the improvement of the measurement accuracy of the used GPS/GLONASS receiver. The system enjoys a widely spread application in f...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

APPLYING THE BOTH GEOSTATISTICAL ESTIMATION AND THE SEQUENTIAL GAUSSIAN SIMULATION WITHIN THE CHOGHART FE DEPOSIT

(SGEM Scientific GeoConference, 2006, O. Asghari, A. Hezarkhani)

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To carry out the geostatistical studies, a spherical model was fitted over an empirical variogram. Plotting the empirical variogram in different directions, and it showed that there are neither geometric nor regional anisotropy. For simulating via Sequential Gaussian Simulation (SGS) method, data were transferred to standard normal and then simulated 100 times (in this way 100 realizations were created). All of the realizations were honor to histogram and the variogram, so all realizations are valid. E\_Type and p...

Informatics2006
6th International Scientific Conference - SGEM
Publication

ASSESSMENT OF THE CHARACTERISTICS AND METHODS FOR TREATMENT OF LANDFILL GAS, EXTRACTED FROM LANDFILL FOR NON- HAZARDOUS WASTE “SUHODOL”

(SGEM Scientific GeoConference, 2006, I. Ganev, B. Dimitrov)

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The quantity and the content of the landfill gas, emitted/extracted from landfill for non-hazardous waste “Suhodol” have been studied. Modeling calculations have been executed and forecast data for the quantity of the emitted and utilized landfill gas for the period till 2040 have been done. Methods for the treatment of the landfill gas, as it consists of methane - a powerful greenhouse gas, have been presented. The applicability of the presented different methods for Landfill “Suhodol” has been assessed. ...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

BENTONITE LOCALITIES IN THE NORTH -BOHEMIAN BROWN-COAL BASIN AND THEIR POTENTIAL UTILIZATION AS CLAY SORBENTS

(SGEM Scientific GeoConference, 2006, M. Rehor, T. Lang, V. Cablik)

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A significant range of the landscaped damaged by brown coal mining is one of the base problems of the region of the North Bohemian Brown Coal Basin. The proper application of fertilizable rocks to sterile and phyto-toxic sits is the condition of the success of reclamation works. Natural clayey sorbents are usually of very good use, but the North Bohemian Basin is quite poor with them. Bentonite deposits are significant exceptions. They are a part of tertiary vulcanodetritic strata of the subsoil of a coal seam. Th...

Geology2006
6th International Scientific Conference - SGEM
Publication

COMBINATION OF GPS AND SATELLITE ALTIMETRY DATA FOR GLOBAL IONOSPHERE MAPS

(SGEM Scientific GeoConference, 2006, S. Todorova, T. Hobiger, H. Schuh)

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In the upper part of the EarthВґs atmosphere, the ionosphere, the free-electron and ion density is high enough to influence the propagation of electromagnetic waves. The ionosphere is a dispersive medium for the observables of all space geodetic techniques operating in the microwave band and disturbs both, their group and phase velocity. The effect is in first approximation proportional to the so-called Slant Total Electron Content (STEC) along the ray path and can be corrected if the measurements are carried out ...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

COMPARISON BETWEEN TOTAL STRAIN ENERGY AND CRUSHING ENERGY USING BOND’S INDEX IN GRANITE

(SGEM Scientific GeoConference, 2006, A. Refahi, A. Rezai, J. Aghazadeh)

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The crushing energy in mineral processing industry is usually determined by experimental Bond’s index regardless mechanical parameters of rocks. Bond’s index is a comminution parameter which was defined by Bond. In this study, with the purpose of correlating the strain energy of rock to the corresponding energy estimated by Bond’s index, cubic Granite specimens are simulated between two rigid jaws and are broken due to movement one of the jaws against the other. The specimens are modeled as elasto-plastic me...

Renewable Energy Sources and Clean Technologies2006
6th International Scientific Conference - SGEM
Publication

COMPOST PRODUCTION EXPERIENCE FROM MUNICIPAL SOLID WASTE IN ISTANBUL

(SGEM Scientific GeoConference, 2006, T. Celik, M. Borat, C. Bayat)

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TOC (Total Organic Carbon), TKN (Total Kjedhal Nitrojen), tP (total Phosporus), C/N (Carbon/Nitrogen ratio) contents and other properties of Municipal Solid Waste, in Д°stanbul are suitable for Compost Production. Compost is an extremely useful agent in agriculture, provides humous to soil, improves its porosity, workability, aeration and needless to say improves water absorption capacity. It also helps increasing the number of saprofit micro organisms and helps plants to get more of fertilizers. Another advantage...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

CONSIDERATIONS ON THE INFLUENCE OF ATMOSPHERE POLLUTANTS ON SOME SPECIES OF CULTIVATED AND SPONTANEOUS LIGNEOUS PLANTS

(SGEM Scientific GeoConference, 2006, L. Ivanescu, M. M. Zamfirache)

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We have studied 15 species of ligneous plants angyosperms, spontaneous and cultivated ones – in areas adjacent to industrial platforms: Borzeşti (Bacău county), Bicaz and Taşca (Neamţ county) - Romania; in the first case, the noxious substances are mainly gaseous (sulphur dioxide, chlorine, ammoniac), but also solid (carbon black, soot); in the other two cases, the noxious substances are mainly solid ones (lime or cement powders prone to sedimentation). Our investigations have focused on observations concern...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

DESIGN OF OPEN PIT PUSH-BACKS IN CHADORMALU IRON MINE OF IRAN USING SURPAC

(SGEM Scientific GeoConference, 2006, G. Holamnejad, M. Osanloo, K. Pashaei)

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In open pit mine planning, push back mining sequence is widely used for long-term production planning. These push backs are designed with haul road access and act as a guide during the yearly scheduling process. Therefore, pushback design plays a key role in defining annual cash flows to be generated from a mining operation. In push back design, a series of nested pits is generated and then considered as possible push backs with regard to the minimum push back width requirements. These nested pits are produced by ...

Informatics2006
6th International Scientific Conference - SGEM
Publication

DETERMINATION OF THE SAFE SLOPE ANGLES IN CHADORMALU IRON MINE OF IRAN USING EXPERIMENTAL, ANALYTICAL AND NUMERICAL METHODS

(SGEM Scientific GeoConference, 2006, A. Jafari, J. Gholamnejad)

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Chadormalu Mining and Industrial Company (CMMIC) is mining Chadormalu Iron Ore deposit in Yazd province, central Iran by using conventional open pit mining method. The final pit will be excavated to a depth of approximately 225m with a bottom elevation of 1300m above mean sea level. According to the initial design, the inter-ramp slope angle of 55В° with a 30m bench height, a catch bench width of 10m and 70В° slope angle of individual benches were proposed. Mining to date has intersected complex geology and areas ...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

DEVELOPMENT OF THE IT-INFRASTRUCTURE IN THE MINES OF NATIONAL HARD COAL COMPANY SA PETROSANI

(SGEM Scientific GeoConference, 2006, B. Florian, PURCARO)

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National Hard Coal Company SA Petrosani performs its activity in the field of coal industry, and is interested in a total computerization of own activities. In the period 2003 – 2004, the National Hard Coal Company SA Petrosani has had as major aims the design, installation and development of an integrated informatic/ computer system by using a high quality informatic solution. The integrated informatic/ computer system represents a complex project used for management of economic activities and industrial proces...

Informatics2006
6th International Scientific Conference - SGEM
Publication

ECOLOGICAL CONSEQUENCES OF COPPER ORE PROCESSING

(SGEM Scientific GeoConference, 2006, M. Banov, L. Misheva, R. Radev)

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Ore dressing leads to producing of great quantities of waste which are stored in special waste depositories (tailing ponds). They occupy large areas and their exploitation provokes air, water and soil contamination of the surrounding territories. Reclamation is one of the most radical methods for recovery of the environmental components, creation of conditions for grass and forest growth and formation of appropriate landscape. The current study aims to determine the anthropogenic impacts on the soils in the region...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

EMAS IN COMPANIES, WHICH ARE ORIENTED ON MINING MINERAL RESOURCES

(SGEM Scientific GeoConference, 2006, E. Augustinova, S. Majkuthova, K. Izova)

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ccording to Environment Report 2004, eight main areas with most violated environment can be identified in Slovak republic. Among those areas are also regions with mining and raw mineral processing, e.g . Jel\vsavsko -luben\'\icka, Rudniansko-gelnick\'a, Ko\vsicko-pre\vsovsk\'a a Zempl\'\inska regions. Affected regions can be defined by individual environment component grade, risk evaluation and regulations focused on environment protection. The presented paper deals about environmental impact of business activitie...

Mineral Processing2006
6th International Scientific Conference - SGEM
Publication

ENVIRONMENTAL PROCESS MONITORING USING INTELLIGENT GIS TECHNIQUES

(SGEM Scientific GeoConference, 2006, A. Dumitrascu, G. Costache, C. Nitu)

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This paper presents several applications involved in the fields of environmental protection and monitoring. The main goal was to obtain optimal solutions of analysis and survey implied in the monitoring of environment processes through the development of integrated systems based on dedicated GUI interfaces, DAQ devices and specific sensors. Geographic information system (GIS) technology can be used for scientific investigations, resource management, and development planning. For example, a GIS might allow emergenc...

Informatics2006
6th International Scientific Conference - SGEM
Publication

EXAMINATION OF CALORIFIC LOSSES OCCURRING IN COAL STOCKPILES - A CASE STUDY

(SGEM Scientific GeoConference, 2006, A. H. Ozdeniz, C. Sensogut)

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Excess amount of coals produced more than demand has to be deposited in stockyards. During this period, coals lose both their economical values and cause environmental problems. It is often that spontaneous combustion event of coals can take place in the cases of convenient conditions are available. In this work, two industrial sized stockpiles were constituted at coal stockyard of Western Lignite Corporation (WLC) in Tuncbilek, Turkey. The size of the stockpiles formed as triangle prism was about 10 m by 5 m widt...

Geology2006
6th International Scientific Conference - SGEM
Publication

EXPLOITATION OF THICK COPPER ORE DEPOSITS BY DOUBLE- LAYER ROOM AND PILLAR METHOD

(SGEM Scientific GeoConference, 2006, J. Butra, R. Debkowski, J Kudelko, J. Nowak)

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The geological and technological conditions of thick copper ore deposit extraction under the rock burst hazard are presented, based on an example of the new RG-9 room and pillar system. The results of rock mass behaviour surveys and observations during the trial exploitation are discussed as well as the system effect on deposit management.

Exploration and Mining2006
6th International Scientific Conference - SGEM
Publication

FLUID INCLUSION INVESTIGATIONS WITHIN THE SAR-CHESHMEH PORPHYRY CU DEPOSIT, IRAN

(SGEM Scientific GeoConference, 2006, A. Hezarkhani)

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Four main mineralized vein Groups within the Sar-Cheshmeh Porphyry system have been identified: I) quartz + molybdenite + anhydrite В± K-feldspar with minor pyrite, chalcopyrite and bornite; II) quartz + chalcopyrite + pyrite В± molybdenite В± Calcite; III) quartz + pyrite + calcite В± chalcopyrite В± anhydrite (gypsum) В± molybdenite; IV) quartz В± calcite В± gypsum В± pyrite В± Dolomite. Early hydrothermal alteration produced a potassic assemblage (orthoclase-biotite) in the central part of the stock, propylitic...

Geology2006
6th International Scientific Conference - SGEM
Publication

GEOGRAPHIC INFORMATION SYSTEM ANALYSIS OF LANDSCAPE CHANGES IN SELECTED PAST MINING-AFFECTED AREA OF SOUTHWEST OSTRAVA

(SGEM Scientific GeoConference, 2006, M. Marschalko, R. Konstantin, D. Vojtech)

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The paperedeals with the results of an analysis of landscape element changes, such as forests, water areas, agricultural areas, built-up areas, anthropogenic shapes in the selected area. The applied method makes use of the possibilities of Geographical Information Systems, terrain observation, documentation and study of archives. The starting time period for which the landscape character analysis was carried out is the year of 1946 (military aerial photos) and the present time (maps). The research is localized in ...

Exploration and Mining2006
6th International Scientific Conference - SGEM
Publication

GEOLOGY, RESERVE ESTIMATION AND QUALITY ASSESSMENT OF THE SINDHALI LIMESTONE DEPOSIT, NEPAL

(SGEM Scientific GeoConference, 2006, G. R. Joshi, S. K. Dwivedi, R. B. Sah)

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This paper presents the geology, reserve estimation and quality assessment of the Sindhali limestone deposit located in allochthonous succession of the eastern Nepal Lesser Himalaya. Geologically, the limestone deposit lies in the Bhainsedobhan Marble of the Bhimphedi Group where the Bhimphedi Group is divided into three formations: the Raduwa Formation, the Bhainsedobhan Marble and the Kalitar Formation from south to north respectively. The study area is further divided into Northern, Central and Southern tectoni...

Geology2006
6th International Scientific Conference - SGEM
Publication

GEOMETRIC AND KINEMATIC EVOLUTION OF PROGRESSIVE DEFORMATION IN SHEAR ZONES, SAGHEZ GOLD MINE, NW IRAN

(SGEM Scientific GeoConference, 2006, H. Hassani, M. Ghazanfari)

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The Saghez shear zone is part of metamorphic belt of the Sanandaj-Sirjan zone in northwest Iran that uplifted during continental collision between the Afro-Arabian continent and the Iranian microcontinent. The mine is being exploited by open-pits mining, with present reserves estimated at 3.2gr/t gold. The currently favored genetic model is an example of porphyry system, with mineralization being closely to shear bands and emplacement of granit and pegmatitic veins. Rocks from Sagez shear zone consist of metavolca...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

GEOSTATISTICAL MODELING AND RESERVE ESTIMATION OF HYPOGENE ZONE IN SUN GUN PORPHYRY COPPER ORE DEPOSIT THROUGH ORDINARY KRIGING METHOD

(SGEM Scientific GeoConference, 2006, O. Asghari, A. Hezarkhani)

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Sungun Porphyry Copper deposit is located 75 kilometers northwest of Ahar and 130 kilometres northwest of Tabriz. In order to model the deposit and estimate its reserve, 31068 input data gained from 152 boreholes were used. Cu grade was selected as the major regional variable on which the present research has focused. All of the available data were changed to 12.5-meter composites so that statistical equalization could be reached. Studies indicated that Cu input data had single - population characteristics. To car...

Informatics2006
6th International Scientific Conference - SGEM
Publication

GLOBAL MAP DATA SET OF MACEDONIA \& GLOBAL MAPPING PROJECT

(SGEM Scientific GeoConference, 2006, B. Idrizi, R. Ribarovski)

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Global mapping is a international collaborative initiative through voluntary participation of national mapping organizations of the world, aiming to develop globally homogeneous geographic data set at the ground resolution of 1km, and to establish concrete partnership among governments, NGOs, private sectors, data providers and users to share information and knowledge for sound decision-making. The primary objective of Global Map project is to contribute to the sustainable development through the provision of base...

Informatics2006
6th International Scientific Conference - SGEM
Publication

GPS NETWORKS AND GPS MEASUREMENTS IN THE REPUBLIC OF MACEDONIA

(SGEM Scientific GeoConference, 2006, R. Ribarovski, Z. Srbinoski, J. Jovanov, M. Nasevski, ZL. Bogdanovski)

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GPS technology in geodesy is using for positioning of the geodetic points and the points from geodetic surveying in global coordinate system WGS84. In the Republic of Macedonia, as in the other countries of the south eastern Europe, were established GPS networks of the first range, but without increasing its density. If we have a fact that there are not astronomic-geodetic and gravimetrical measurements with the aim to define the local geoids more accuracy, it is clearly that can not be done massif and precise GPS...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

HEAVY MINERAL PROSPECTING: A COMPLEMENTARY METHOD FOR GEOCHEMICAL EXPLORATION; A CASE STUDY IN SARAB, IRAN

(SGEM Scientific GeoConference, 2006, A. Pourjabbar, A. Hezarkhani)

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Geochemical prospecting is one of the most useful methods in mining deposits exploration. For most of minerals and elements, geochemical data are reliable and helpful. As these methods are not expensive we can use theme in large scale. But non of these methods ( based on sampling from rocks, stream sedimentary, soil, water etc.) are complete and need complementary methods such as heavy mineral study, geophysics, remote sensing etc. Heavy mineral study is one of the best complementary methods. Based on this method ...

Mineral Processing2006
6th International Scientific Conference - SGEM
Publication

IMPACT OF SOME PGPR ON ZEA MAYS “IN VITRO” DEVELOPMENT AS ENVIRONMENTAL BIOTECHNOLOGY APPLICATION

(SGEM Scientific GeoConference, 2006, S. Stefan, Z. Olteanu, O. Lacramioara, D. Simona, VINTU)

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Plant growth-promoting rhizobacteria (PGPR) can effect plant growth and development in two different ways: indirectly or directly. Indirect promotion of plant growth occurs when these bacteria decrease or prevent some of the deleterious effects of phytopathogenic microorganism. The most important way is the direct way, when bacteria promote plant growth by providing the plant with a compound that is synthesized by the bacteria from plant rhizosphere. From this point of view there are many studies that show the imp...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

INDUSTRIAL HEAVY METAL POLLUTION AND HAZARDOUS EFFECTS ON ECOLOGY: WASTE MANAGEMENT PERSPECTIVE

(SGEM Scientific GeoConference, 2006, M. E. Argun, S. Dursun, C. Ozdemir, M. Karatas)

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In this article, pollution of ecological systems with heavy metals and their hazardous effects were investigated as a view of waste management. Several industries from mining to electroplating produce large volumes of wastewater containing heavy metals. These wastewater cause accumulation of heavy metals through ecological circle in soil, plants and animals which directly enter human food chains presenting a high hazardous effect on consumers. They may cause severe damage of the kidney, reproductive system, liver,...

Hydrology and Water Resources2006
6th International Scientific Conference - SGEM
Publication

INTERNET CADASTRAL INFORMATION SYSTEM

(SGEM Scientific GeoConference, 2006, D. Baltadzhiev, M. Margaritova)

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Due to Internet development and the expansion of the communication network, the services lately delivered by administration and municipalities have improved by granting customers e- access to administrative databases. Several servers for geographical information are already available in the Internet. However, they encompass primarily geographical objects, roads, and the maximum level they reach is address. There is no data about estates, their owners, coordinates of the boundaries’ points, public areas, function...

Informatics2006
6th International Scientific Conference - SGEM
Publication

INVESTIGATIGATING THE EFFECTS OF MICROWAVE AND THERMOCHEMICAL PRETREATMENTS ON CONVERSION OF SLUDGE INTO WATER SOLUBLES TO IN CREASE THE BIOGAS YIELD

(SGEM Scientific GeoConference, 2006, E. Ergun Pehlivan, F. Taner, Z. Taskaya, H. Ates)

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It is well known that, many kinds of industrial organic waste can be used for biogas production, but the biogas and methane yields depend on the biodegrability of the compounds in raw material. Recent studies are aimed to increase the biodegradability of organic matter by many pretreatment processes. In this study, belt-filter press sludge which has been taken from the waste water treatment plant of ETAP, has been used in experiments, basic and/or microwave radiation (MW) pretreatments have been carried out in ord...

Oil and Gas Exploration2006
6th International Scientific Conference - SGEM
Publication

INVESTIGATION OF HEAVY METALS IN MAIN WASTEWATER

(SGEM Scientific GeoConference, 2006, M. Karatas, S. Dursun, C. Ozdemir, M. E. Argun)

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Heavy metals in wastewater are quite important because of being toxic effect for public health. Wastewaters that contain heavy metals are generally caused by industries discharged, either after primary treatment or even no-treatment farmers in Konya use wastewater for irrigation that discharged into canal. This causes soil pollution also decreases plant quality. Heavy metals can reach to humans and animals and causes toxic effects through food-chain. The aim of this study is determining heavy metal accumulation on...

Oil and Gas Exploration2006
6th International Scientific Conference - SGEM
Publication

METHODOLOGICAL APPROACH FOR SELECTION OF POTENTIAL REGIONAL LANDFILL SITES ON THE TERRITORY OF BULGARIA

(SGEM Scientific GeoConference, 2006, KH. Khrischev, V. Georgiev, A. Stoimenov, R. Vatseva, I. Ilieva, M. Toneva, L. Marinova)

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For identification, preliminary selection and mapping of potential sites for regional waste landfills methods are applied, which are based on modern technologies - remote sensing, automated procedures in GIS environment for reduction of selected potential sites on the basis of pre-set categories and criteria as well as computer-aided visual interpretation of vector and raster data from the “CORINE Land Cover 2000 - Bulgaria” project. Office activities are followed by field investigations during which the main ...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

MICROBIOLOGICAL STUDY OF THIOBACILLUS SPECIES ISOLATED FROM MINE WATERS

(SGEM Scientific GeoConference, 2006, D. Simona, T. Gavriloaiei, M. Stefan, G. Popa)

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The selective bio-solubilization of mineral sulphide deposits has had an upward development lately due to the irreversible depletion of the ore deposits and the accumulation of large quantities of refuse dumps, the process being equally important for the economy and the environment. This paper aims at carrying out a quantitative assay of both the heterotrophic and the sulphur-oxidising bacteria of the Thiobacillus genus found in samples of mine waters collected from the Barza and Valea Morii mining sites in the Ap...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

MINING METHOD SELECTION BY TOPSIS APPROACH (CASE STUDY OF REZA ABAD BALL CLAY \& BAUXITE MINE)

(SGEM Scientific GeoConference, 2006, H. Dezyani, M. Ataei, K. Shahriar, M. Afshar)

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One of the most critical and complicated steps in mine design is to select an suitable mining method based upon geological, geotechnical, geographical and economical parameters. Since there are many factors involved for the selection of mining method, which is decision-making process, the problem is very difficult to solve. In this paper, Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) with 18 criteria is used to develop a suitable mining method for the Reza Abad ballclay \& bauxite ore dep...

Exploration and Mining2006
6th International Scientific Conference - SGEM
Publication

MODELLING OF SO2 CONCENTRATION USING ARTIFICIAL NEURAL NETWORKS

(SGEM Scientific GeoConference, 2006, S. Dursun, D. Guklu, F. Celebi, N. Yilmaz)

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Modelling of air pollution parameters, according to the meteorological data is a necessary for preventing the repetition of same problems. During recent years, neural network-based models have been shown to be powerful tools in the simulation of variations in air quality and provide better alternative to statistical models because of their computational efficiency and generalization ability. In this study, prediction of future daily SO2 concentrations in Konya (Turkey) using MLP (Multilayer Perceptron) artificial ...

Air Pollution and Climate Change2006
6th International Scientific Conference - SGEM
Publication

NEUTRALIZATION OF HEAVY METALS IN WATER AND SOILS BY IMMOBILIZATION INTO INSOLUBLE COMPLEXES, INABSORBABLE BY PLANTS

(SGEM Scientific GeoConference, 2006, N. Tabakova, S. Tabakova, V. Beshkov, I. Pojarlieff, V. MirchevР°)

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We present a method for the neutralisation of heavy metals – Pb, Zn, Cd and Cr in contaminated water and soils by binding them into water-insoluble complexes, inabsorbable by plants, which was found to be effective under laboratory and green-house conditions. By introducing multiblock copolyethers (MBPE) and low molecular weight organic chelates (LOC) in water, containing heavy metal ions, they interact stoichiometrically and precipitate, affording water of irrigation quality. Treatment with MBPE and LOC (by sin...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

OLD TAILINGS REHABILITATION WITH REGARD TO ENVIRONMENTAL IMPACTS AT THE MOOTEH GOLD MINE, IRAN

(SGEM Scientific GeoConference, 2006, E. Bakhtavar, K. Shahriar)

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The major impact of early mining resulted from the establishment of this mine tailings, which neutralized hundreds hectares of land, which due poor management and neglect have been subjected to varying degrees of water and wind erosion. Environmental impacts range from water pollution (acid mine drainage derived from oxidation of sulphides, mainly pyrite, and the heavy metals in the Mooteh mine tailings), air pollution in the form of airborne dust from unrehabilitated, partially rehabilitated and reprocessed mine ...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

PECULIARITIES OF FILTRATION IN HETEROGENEOUS ENVIRONMENT TAKING INTO ACCOUNT DIFFERENTIATION OF PRESSURE DISTRIBUTION IN PORES AND FRACTURES

(SGEM Scientific GeoConference, 2006, A. V. Antsiferov, E. D. Khodyrev)

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The peculiarity of mass transfer in such environment is that motion between the outer surface of the blocks and their inside develops in time creating delay in the response of the blocks to pressure changes in fractures surrounding them. Analysis of these processes on mathematical models has determined that at a certain combination of the flow kinetic parameters a differentiation of pressure distribution in blocks and large fractures occurred. As a result, in filtering of poorly compressible fluids a pressure disi...

Geodesy and Mine Surveying2006
6th International Scientific Conference - SGEM
Publication

PRELIMINARY EVALUATION OF STUDY OF SARBAND GRAPHITE DEPOSITS WITH GEOLOGICAL AND GEOPHYSICAL METHODS

(SGEM Scientific GeoConference, 2006, H. Ramazi, A. A. Firoozi, M. R. Hosseinnejad)

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This paper is devoted to geological and geophysical exploration of Sarband graphite deposits in Markazi province of Iran includes Khanadarreh Bala and Vesmestan deposits. Geological methods include trenching and drilling test pits and exploratory holes, sampling and analyzing with XRD and chemical analysis. This method show that Khanadarreh Bala deposits has purer graphite than Vesmestan and hosted in schistisited rocks and has higher continuity than Vesmestan deposit. Geophysical methods include SP ,mise-a-la-mas...

Applied and Environmental Geophysics2006
6th International Scientific Conference - SGEM
Publication

PROGNOSIS FOR FIXED BED CLIPTILOLITE PERFORMANCE IN THE PROCESS OF METAL IONS REMOVAL

(SGEM Scientific GeoConference, 2006, S. Dimitrova, I. Kostova, S. Petrova)

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Laboratory investigations on zinc ions removal from model solution in a column with fixed bed zeolite clinoptilolite were conducted. Experimental dynamic curves for sorption depending on the bed height of zeolite and velocity of treated solution were received. The main constant parameters characterizing the process at breakthrough were defined. It was established that the bed column volumes of solution and the capacity at breakthrough increase with increasing of contact time, whereas sorbent usage rate decreases. ...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

PURIFICATION OF WATER FROM FINELY DISPERSED OIL

(SGEM Scientific GeoConference, 2006, M. A. Al Afoori, V. Mircheva, N. Tabakova, V. Beshkov)

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The elimination of finely emulsified oil from waste waters is an important problem, and so far, no satisfactory solution thereto is available worldwide. Here we report some of the results from our studies on the purification of water from different types of oil, to allow waste water re-use in the technological cycle, or use for agricultural irrigation. The isolation of oil is performed by treatment of waste water with polymers of specific adsorption behaviour and solubilizing properties in aqueous medium. Multiblo...

Ecology and Environmental Protection2006
6th International Scientific Conference - SGEM
Publication

QUANTITY AND QUALITY STUDIES FOR CONTAMINATED UNDERGROUND WATER IN ABHAR PLAIN (NW OF IRAN)

(SGEM Scientific GeoConference, 2006, H. Moghimi)

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The studied area is 1960 km2 and located in Zanjan province and is placed between 48Вє, 48Вґ to 49Вє, 30Вґ east longitude and 35 Вє, 57Вґ to 36Вє, 36Вґnorth latitude. Human pollutants are mainly home and human sewage which is discharged by absorbent wells that seems to be one of the best ways of discharging sewage. On the other hand in the places where the underground water recharge the river, there is a possibility of having some environmental problems in the nearly future.Presently, the amounts of BOD5 and COD a...

Air Pollution and Climate Change2006
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