Klityński, Wojciech
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inżynieria środowiska, górnictwo i energetyka
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Item type:Article, Access status: Open Access , Struktura nasunięcia karpackiego i jego podłoża w polskich Karpatach Zachodnich w świetle reinterpretacji wybranych regionalnych profili magnetotellurycznych(Wydawnictwa AGH, 2007) Stefaniuk, Michał; Klityński, Wojciech; Jarzyna, Jadwiga A.; Golonka, JanThe subject of the paper includes results of reinterpretation of three regional magnetotelluric profiles located in the western part of the Polish Carpathians. Magnetotelluric survey in the area was made by the Geophysical Exploration Company, Warsaw, in the years 1997-2002. Reinterpretation works were proceeded by analysis of measurement data and reprocessing for some soundings. Automatic 2D inversion and 1D inversion with the use of Occam and LSQ algorithms were employed in reinterpretation process. 2D resistivity sections obtained based on results of automatic 2D and 1D data interpretation were used to construct geoelectric and geologic models. Geological and borehole data, and reflection seismic data were also applied in geological interpretation.Item type:Article, Access status: Open Access , 3D block modelling of the Sin Quyen IOCG deposit, North Vietnam(Wydawnictwa AGH, 2023) Dương Văn, Hào; Nguyẽ̂n, Dinh Chau; Klityński, Wojciech; Zygo, Władysław; Nowak, JakubThe IOCG Sin Quyen deposit is located in the Red River shear zone of North Vietnam. The ore bodies are known as hydrothermal veins and are hosted in Proterozoic metapelite. A block modelling approach was used to build a 3D model of the ore bodies. An analysis was carried out on Surfer® 11 computer software using the archival data recorded from several dozen boreholes distributed within the study area, as well as data obtained from the mineral and chemical analysis of 50 samples collected recently in the deposit. The ore bodies generally trend in a NW-SE direction with an average azimuth of 107° and dip of around 70°. The Cu content in the ore bodies is inhomogeneous. In the bed extension direction, the exponential correlation of Cu concentration in ore bodies is recognized within 2,500 m, while in the direction perpendicular to the bed strike, the exponential dependence is observed on 500 m of distance. The high-grade mineralisation of copper within the ore bodies is often at the altitude interval from ∼100 m to ∼150 m above sea level (asl). These bodies are also rich in uranium and gold bearing minerals. The total resources of Cu, U and Ag were estimated and amount to 361,000; 12.7 and 11.87 tonnes respectively. The model indicates the downward extension of some ore bodies to below 300 m beneath the ground surface.Item type:Article, Access status: Open Access , Visualization of magnetotelluric data with apparent velocity method(Wydawnictwa AGH, 2010) Miecznik, Juliusz; Klityński, WojciechMagnetotelluric (MT) field data are usually presented as plots of amplitude and phase MT sounding data vs frequency. Visualization of resistivity changes of geoelectric complexes with the use of apparent resistivity and phase curves give qualitative results only. Quantitative interpretation of MT sounding curves is needed to get geoelectric parameters. For a 1D horizontally layered earth, amplitude curves (apparent resistivity curves) and phase curves can be transformed into apparent velocity curves versus depth of EM field penetration into the conducting earth. Apparent velocity curves can be approximated by straight-line segments corresponding to homogeneous geoelectric layer complexes. Each segment of the apparent velocity curve (with a given angle of inclination) is related with the resistivity and thickness of individual geoelectric complexes. For heterogeneous earth (2D or 3D) vertical component of the magnetic field is directly connected with boundary of geo-electric complexes. It can be used to express components of vectors of apparent velocity. For a 1D horizontally layered earth, a vector of apparent velocity has only the vertical component. For heterogeneous earth horizontal components of apparent velocity also are inducted. The angle of inclination of the total vector of velocity and its value depend on the geometry of studied structure.Item type:Article, Access status: Open Access , Próba przestrzennej analizy rozkładu oporności na podstawie interpretacji sondowań magnetotellurycznych w rejonie Lachowice - Zawoja w polskich Karpatach Zachodnich(Wydawnictwa AGH, 2007) Klityński, Wojciech; Stefaniuk, MichałAn attempt of construction of 3D model of resistivity distribution made for Lachowice-Zawoja area in western part of Polish Carpathians is presented in the paper. The study area is cut by sections of four regional magnetotelluric profiles. Significant density of MT soundings in the area allows to undertake of the spatial analysis of resistivity distribution. Results of 1D Occam inversion were used to elaborate resistivity maps on selected depth levels that illustrates spatial resistivity differentiation. The entrance 3D resistivity model was made based on results of 1D and 2D sounding interpretation. The starting spatial model was verified and corrected by repeatedly recurred forward 3D modelling. It should be stated that this is the first attempt of use of 3D modelling for analysis of magnetotelluric soundings in Poland.Item type:Article, Access status: Open Access , Zastosowanie metody magnetotellurycznych profilowań ciągłych w badaniach strukturalnych(Wydawnictwa AGH, 2008) Stefaniuk, Michał; Czerwiński, Tomasz; Klityński, Wojciech; Wojdyła, MarekThe paper presents case studies of the continuous magnetotelluric profiling applied to structural studies under varied geological conditions. Two applications refer to identifying of allochthonous flysch structure and its basement in the Polish Outer Carpathians. The case studies from the Sudetes Mts. present the application of the continuous magnetotelluric profiling to identify tectonic zones in crystalline rock complexes and accompanying filtration zones of mineral and thermal waters. A case of a salt dome that was identified by means of the MT investigations in the central part of the Mid-Polish Ridge is also presented. At the platform-type zone of the East Pomerania, the MT investigations were carried out to recognize geological complexes resting beneath the evaporate Zechstein horizon that screened the elastic energy. The methodology of the MT investigations and results of geophysical interpretation and some aspects of geological interpretation of MT data are presented.Item type:Article, Access status: Open Access , Podstawy metody procesów przejściowych i możliwości jej zastosowania w wykrywaniu złóż węglowodorów(Wydawnictwa AGH, 2011) Klityński, Wojciech; Targosz, PawełThis paper describes the principles of the transient electromagnetic method (time- domain electromagnetic method, TDEM) as well as TDEM measurement systems, data processing and 1D data interpretation techniques. The paper discusses also some problems of resolution and penetration depth of the method. We calculated and discussed TDEM sounding curves for three-layer geoelectric models, which consisted of a high-resistivity middle layer and low-resistivity upper and lower layers. The calculated curves were analysed from a viewpoint of a possible mapping of high-resistivity structures that could be hydrocarbon-prospective areas. The application of TDEM sounding to oil and gas exploration was evaluated.Item type:Article, Access status: Open Access , Zastosowanie metody procesów przejściowych do wykrywania złóż węglowodorów w rejonie Grabownicy Starzeńskiej - Humnisk – Brzozowa(Wydawnictwa AGH, 2011) Klityński, Wojciech; Targosz, PawełThe paper presents the geologic and geoelectric characteristics of the Grabownica Starzeńska - Humniska - Brzozów area (Polish Eastern Carpathians) based on electric logs and downhole geologic data. Synthetic TDEM sounding curves were calculated based on electric log data from four boreholes from the study area. The synthetic sounding curves were analysed from the point of view of possible interpretation of high-resistivity layers that could be prospective for oil and gas exploration. The 1D Occam interpretation of chosen TDEM soundings from profiles that ran across the Humniska Brzozów-7 borehole, was performed. The integrated data interpretation was made to estimate the capability of TDEM method to map hydrocarbon deposits at the study area.