TY - CHAP AU - Horváth, Gergely AU - Lóczy, Dénes ED - Lóczy, Dénes TI - Geoheritage, Geoconservation, Geomorphosites in Hungary T2 - Landscapes and Landforms of Hungary PB - Springer Netherlands CY - Cham SN - 9783319089966 T3 - World Geomorphological Landscapes, ISSN 2213-2090 PY - 2015 SP - 281 EP - 288 PG - 8 DO - 10.1007/978-3-319-08997-3_32 UR - https://m2.mtmt.hu/api/publication/2977876 ID - 2977876 LA - English DB - MTMT ER - TY - JOUR AU - Mádlné Szőnyi, Judit AU - Tóth, Ádám TI - Basin-scale conceptual groundwater flow model for an unconfined and confined thick carbonate region JF - HYDROGEOLOGY JOURNAL J2 - HYDROGEOL J VL - 23 PY - 2015 IS - 7 SP - 1359 EP - 1380 PG - 22 SN - 1431-2174 DO - 10.1007/s10040-015-1274-x UR - https://m2.mtmt.hu/api/publication/2969005 ID - 2969005 N1 - Cited By :70 Export Date: 4 April 2023 Correspondence Address: Mádl-Szőnyi, J.; Department of Physical and Applied Geology, Pázmány P. stny. 1/C, Hungary; email: szjudit@ludens.elte.hu AB - Application of the gravity-driven regional groundwater flow (GDRGF) concept to the hydrogeologically complex thick carbonate system of the Transdanubian Range (TR), Hungary, is justified based on the principle of hydraulic continuity. The GDRGF concept informs about basin hydraulics and groundwater as a geologic agent. It became obvious that the effect of heterogeneity and anisotropy on the flow pattern could be derived from hydraulic reactions of the aquifer system. The topography and heat as driving forces were examined by numerical simulations of flow and heat transport. Evaluation of groups of springs, in terms of related discharge phenomena and regional chloride distribution, reveals the dominance of topography-driven flow when considering flow and related chemical and temperature patterns. Moreover, heat accumulation beneath the confined part of the system also influences these patterns. The presence of cold, lukewarm and thermal springs and related wetlands, creeks, mineral precipitates, and epigenic and hypogenic caves validates the existence of GDRGF in the system. Vice versa, groups of springs reflect rock–water interaction and advective heat transport and inform about basin hydraulics. Based on these findings, a generalized conceptual GDRGF model is proposed for an unconfined and confined carbonate region. An interface was revealed close to the margin of the unconfined and confined carbonates, determined by the GDRGF and freshwater and basinal fluids involved. The application of this model provides a background to interpret manifestations of flowing groundwater in thick carbonates generally, including porosity enlargement and hydrocarbon and heat accumulation. © 2015, Springer-Verlag Berlin Heidelberg. LA - English DB - MTMT ER - TY - CONF AU - Tóth, Ádám AU - Trásy-Havril, Tímea AU - Mádlné Szőnyi, Judit AU - Simon, Szilvia AU - Müller, I AU - Galsa, Attila AU - Monteiro dos Santos, F A ED - Gabriella, B Kiss TI - The importance of electromagnetic methods to build numerical groundwater flow model for an area with complex geology in the case of Tihany Peninsula T2 - 5th ISGC - 5th International Students Geological Conference Budapest, Hungary, 24-27 April, 2014 PB - University of Szeged C1 - Szeged T3 - Acta Mineralogica Petrographica Abstract Series, ISSN 1589-4835 ; 8. PY - 2014 SP - 126 EP - 126 PG - 1 UR - https://m2.mtmt.hu/api/publication/2580822 ID - 2580822 LA - English DB - MTMT ER - TY - JOUR AU - Tóth, Ádám AU - Trásy-Havril, Tímea AU - Mádlné Szőnyi, Judit AU - Müller, Imre TI - Hidrogeológiai célú geofi zikai térképezés egy tihanyi maar-tó környezetében [Geophysical measurements to understand the hydrogeology of the maar-lake setting of the Tihany Peninsula, Hungary] JF - MAGYAR GEOFIZIKA J2 - MAGYAR GEOFIZIKA VL - 53 PY - 2012 IS - 2 SP - 120 EP - 130 PG - 11 SN - 0025-0120 UR - https://m2.mtmt.hu/api/publication/2094486 ID - 2094486 LA - English DB - MTMT ER - TY - JOUR AU - Czauner, Brigitta AU - Mádlné Szőnyi, Judit TI - The function of faults in hydraulic hydrocarbon entrapment: Theoretical considerations and a field study from the Trans-Tisza region, Hungary. JF - AAPG BULLETIN J2 - AAPG BULL VL - 95 PY - 2011 IS - 5 SP - 795 EP - 811 PG - 17 SN - 0149-1423 DO - 10.1306/11051010031 UR - https://m2.mtmt.hu/api/publication/1443141 ID - 1443141 LA - English DB - MTMT ER - TY - JOUR AU - Horváth, Ferenc AU - Sacchi, M AU - Dombrádi, E TI - A Pannon-medence üledékeinek szeizmikus sztratigráfiai és tektonikai vizsgálata a Dél-Dunántúl és a Balaton területén. [Seismic stratigraphy and tectonics of Late Miocene basin fill in southern Transdanubia and below Lake Balaton] JF - FÖLDTANI KÖZLÖNY J2 - FÖLDTANI KÖZLÖNY VL - 140 PY - 2010 IS - 4 SP - 391 EP - 418 PG - 28 SN - 0015-542X UR - https://m2.mtmt.hu/api/publication/2176536 ID - 2176536 N1 - Cited By :12 Export Date: 27 November 2019 Correspondence Address: Horváth, F.; Geofizikai és Urtudományi Tanszék, ELTE, Budapest Pázmány P. sétány 1/c, Amsterdam, Netherlands; email: frankh@ludens.elte.hu AB - Major progress in understanding the stratigraphy of the postrift (Late Miocene to Quaternary) strata in the Pannonian Basin has been achieved in the past two decades, but a few basic questions remain unsolved. These are associated with the controversial presence of third-order water-level oscillations in Lake Pannon and large-scale tectonic deformation and erosion of the basin fill. Sequential stratigraphic interpretation was carried out in southern Transdanubia using hydrocarbon exploration seismic sections and borehole data. The Late Miocene basin fill was divided into 5 third-order depositional sequences as follow: SAR-1, PAN-1, -2, -3, -4. In the Drava trough, the topmost sequence boundary is overlain by more than 1000 mthick Pliocene through Quaternary strata. These were deposited in on alluvial plain and are characterised by higher order cyclicity. A special contribution to our seismic stratigraphic interpretation was offered by a wealth of high-resolution seismic profiles taken at Lake Balaton over the last two decades. These surveys imaged the Pannonian Szák, Somló and Tihany Formations to thicknesses ranging between 0 to 120 m below the mud beds of the lake and above the acoustic basement given by the top of Sarmatian limestone layer. According to the sequential stratigraphic interpretation, these formations were deposited on the shelf of Lake Pannon during the PAN-2 sequence and they represent transgressive, highstand and falling stage system tracts. Regression of Lake Pannon led to the formation of a large alluvial/delta plain as evidenced by the upper section of the Tihany Formation. These terrestrial beds in the Tihany Peninsula are overlain by pyroclasts, maar lake sediments (Tihany Volcano) and freshwater limestones; the latter have been silicified locally due to postvolcanic, hot spring activity. All of these exposed features can be recognised on the high resolution seismic sections of Lake Balaton. In addition, seismic data demonstrate that the top of the Tihany Formation is a marked erosional unconformity. Accordingly, it is reasonable to conclude that this seismic unconformity represents the upper boundary of the PAN-2 sequence. Seismic sections in Transdanubia show that the Late Miocene depositional sequences suffered remarkable postsedimentary compressional deformation. This Pliocene through Quaternary compression can be considered as the neotectonic phase of the evolution of the Pannonian Basin. It has resulted in development of areas of uplift and coeval subsidence with an amplitude of the order of 1000 metres. Uplift and erosion of the Transdanubian Range also took place during this phase. Elsewhere in the basin eroded material from the uplifting terraines filled up the areas of subsidence and no significant topographic relief has been formed. It is reasonable to infer that the start of the structural inversion, erosion and fault reactivation in the Pannonian Basin at around the Miocene-Pliocene boundary is a tectonic Messinian event. Finally, it was concluded that the the longstanding problem of the correlation of the basin margin and deep basin Pannonian lithostratigraphic formations remains one of an intractable nature unless the large-scale deformation and erosion of the basin-fill during the neotectonic inversion are taken into consideration more thoroughly. LA - Hungarian DB - MTMT ER - TY - JOUR AU - Dill, AC AU - Turberg, P AU - Müller, Imre AU - Parriaux, A TI - The combined use of radio-frequency electromagnetics and radiomagnetotellurics methods in non-ideal field conditions for delineating hydrogeological boundaries and for environmental problems JF - ENVIRONMENTAL GEOLOGY J2 - ENVIRON GEOL VL - 56 PY - 2009 IS - 6 SP - 1071 EP - 1091 PG - 21 SN - 0943-0105 DO - 10.1007/s00254-008-1208-1 UR - https://m2.mtmt.hu/api/publication/3194724 ID - 3194724 AB - Radio frequency geophysical methods are known for being very versatile tools in ground- and groundwater investigation at shallow depths. They are fast and easy to use and allow a high density of information over large surfaces, which makes them very suitable for geological mapping sensu lato (faults, lithological contacts, groundwater-bearing structures, vulnerability maps, and contaminant plumes) and for selecting borehole locations. Significant improvement concerning 2D and 3D modelling of the data has occurred in recent decades. However, field surveys are very seldom performed in "ideal conditions"-the lack of necessary transmitters, in the convenient direction, in order to catch the structures in E- and H-pol for modelling purposes, is not an unusual situation. The present paper shows how the use of RMT and RF-EM is nevertheless of great help and suggests different ways to explore qualitative data in different geological settings. © 2008 Springer-Verlag. LA - English DB - MTMT ER - TY - JOUR AU - Balogh, Kadosa AU - Németh, Károly TI - Evidence for the neogene small-volume intracontinental. volcanism in western hungary: K/Ar geochronology of the Tihany Maar volcanic complex JF - GEOLOGICA CARPATHICA J2 - GEOL CARPATH VL - 56 PY - 2005 IS - 1 SP - 91 EP - 99 PG - 9 SN - 1335-0552 UR - https://m2.mtmt.hu/api/publication/1384548 ID - 1384548 N1 - Összes idézések száma a WoS-ban: 0 AB - The Tihany Maar Volcanic Complex (TMVC) consists of several eruptive centres and is made up mostly of pyroclastic rocks. It belongs to the Bakony-Balaton Highland Volcanic Field (BBHVF), which is an extensive Late Miocene-Pliocene alkaline basaltic volcanic field in Western Hungary. The TMVC is the only known location in the BBHVF where volcanic rocks are in a stratigraphically fixed position near the boundary of the Congeria balatonica-Prosodacnomya Zones. Since 1985 this stratigraphic importance motivated repeated efforts to obtain unquestionable radiometric data with sufficient accuracy for the volcanic phases. Due to the difficulties of dating basaltic pyroclastic rocks (detrital contamination, excess argon, argon loss during hydrothermal alteration, high atmospheric argon content, etc.), this is for the first time a fully acceptable age of 7.92 +/- 0.22 Ma has been obtained for the onset of volcanic activity of the TMVC at the location Monk's cave. This age is a key datum for the boundary of Congeria balatonica-Prosodacnomya Zones and it agrees well with the start of alkali basaltic volcanic activity in Central Slovakia. 7.35 +/- 0.45 Ma is obtained for Diosteto. The youngest ages, showing the greatest argon loss were measured for the location Godros. An analysis of the isochron diagrams suggests here an interval from 6.24 +/- 0.73 Ma to 5.92 +/- 0.41 Ma for the time of volcanic activity. This age sequence is in agreement with volcanological field observation and in spite of some uncertainty of the younger age limit, it is indicated that volcanism at Tihany was not a single event of the same volcano, but rather a result of longer lived eruptions from a closely spaced, nested volcanic system. LA - English DB - MTMT ER - TY - JOUR AU - Németh, Károly AU - Martin, U AU - Harangi, Szabolcs TI - Miocene phreatomagmatic volcanism at Tihany (Pannonian Basin, Hungary) JF - JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH J2 - J VOLCANOL GEOTH RES VL - 111 PY - 2001 IS - 1-4 SP - 111 EP - 135 PG - 25 SN - 0377-0273 DO - 10.1016/S0377-0273(01)00223-2 UR - https://m2.mtmt.hu/api/publication/1384556 ID - 1384556 AB - A late Miocene (7.56 Ma) maar volcanic complex (Tihany Maar Volcanic Complex - TMVC) is preserved in the Pannonian Basin and is part of the Bakony-Balaton Highland Volcanic Field. Base surge and fallout deposits were formed around maars by phreatomagmatic explosions, caused by interactions between water-saturated sediments and alkali basalt magma carrying peridotite Iherzolite xenoliths as well as pyroxene and olivine megacrysts. Subsequently, nested maars functioned as a sediment trap where deposition built up Gilbert-type delta sequences. At the onset of eruption, magma began to interact with a moderate amount of groundwater in the water-saturated sand. As eruption continued phreatomagmatic blasts excavated downward into limestones, providing access to abundant karst water and deeper to sandstones and schist both providing large amount of fracture-filling water, At the surface, this 'wet' eruption led to the emplacement of massive tuff breccias by fall, surge, mudflow and gravity flow deposition. The nature of the TMVC maar eruptions and their deposits appears to depend on the hydrological condition of the karst and/or fracture-filling aquifer, which varies seasonally with rainfall and spring runoff. The West and East Maar volcanoes of TMVC are interpreted to represent low water input from the karst and/or fracture-filling aquifer ('summer vent'), whereas the East Maar is interpreted to have formed when abundant karst and/or fracture-filling water was available ('spring vent'). (C) 2001 Elsevier Science B.V. All rights reserved. LA - English DB - MTMT ER - TY - CHAP AU - Haas, János AU - Hámor, G AU - Korpás, L ED - Korpás, L ED - A H, Hofstra TI - Geological setting and tectonic evolution of Hungary T2 - Carlin gold in Hungary PB - Magyar Állami Földtani Intézet (MÁFI) CY - Budapest SN - 9639712220 T3 - Geologica Hungarica ; 24. PY - 1999 SP - 179 EP - 196 PG - 18 UR - https://m2.mtmt.hu/api/publication/152295 ID - 152295 LA - English DB - MTMT ER - TY - CHAP AU - Sacchi, M AU - Horváth, Ferenc AU - Magyari, O ED - Durand, B ED - Jolivet, L ED - Horváth, Ferenc ED - Seranne, M TI - Role of unconformity-bounded units in stratigraphy of continental record: a case study from the Late Miocene of western Pannonian basin; Hungary T2 - The Mediterranean Basins: tertiary extension within the Alpine Orogen PB - Geological Society of London CY - London SN - 9781862390331 T3 - Geological Society Special Publication, ISSN 0305-8719 ; 156. PY - 1999 SP - 357 EP - 390 PG - 34 DO - 10.1144/GSL.SP.1999.156.01.17 UR - https://m2.mtmt.hu/api/publication/1256299 ID - 1256299 N1 - Research Institute GEOMARE SUD, CNR, Napoli, Italy Department of Geophysics, Eötvös University, Budapest, Hungary Cited By :95 Export Date: 24 February 2023 Correspondence Address: Sacchi, M.; Research Institute, , Napoli, Italy AB - This paper is part of the special publication No.156, The Mediterranean basins: Tertiary extension within the Alpine Orogen. (eds B.Durand, L. Jolivet, F.Horvath and M.Seranne). We present an up-to-date stratigraphic framework for the Late Miocene (post-rift) non-marine strata of the western Pannonian Basin, based on unconformity-bounded units as they are derived from seismic interpretation. The data set used for this study consisted of some 1700 km of conventional, multi-channel reflection seismic profiles across western Hungary integrated by 190 km of high-resolution, single- channel seismic profiles acquired on Lake Balaton in June of 1993. Seismic stratigraphic analysis has been constrained by selected geological mapping, well-logs and borehole data. A magnetostratigraphic record was also available from a corehole in the study area, together with recent K/Ar dating of basaltic rocks from the Balaton highland. Five third-order (with 10 6 year periodicities) stratigraphic sequences have been recognized at regional scale in the Late Miocene succession of the western Pannonian Basin. We have designated these sequences, from bottom to top, as Sarmatian-1 (SAR-1) and Pannonian-1 (PAN-1) to Pannonian-4 (PAN-4). Reliable time constraints were only available for the two maximum flooding surfaces of sequences PAN-2 and PAN-3, namely mfs-2 (9.0 Ma) and mfs-3 (7.4 Ma), and the boundary of sequence PAN-2 (PAN-2 SB) which is approximately dated at 8.7 Ma. PAN-2 sequence boundary is associated with evidence of relative water-level drop in the Pannonian Lake and significant exposure of lake margins that is widely recorded in the so-called 'marginal facies' of western Hungary. The higher rank unit bounded by PAN-1 SB and PAN-4 SB includes most of the Pannonian s.l. succession of the central Paratethys and approximately correlates with the Tortonian-Messinian of the standard chronostratigraphy. Seemingly, no major palaeo-environmental impact was perceptible in the western Pannonian Basin during the Messinian salinity crisis of the Mediterranean. However a significant change in the regional stratigraphic patterns may be observed since earliest Pliocene (after PAN-4 SB), possibly associated with the very beginning of a large-scale tectonic inversion within the intra-Carpathian area. The case of Late Miocene non-marine strata of Pannonian Basin is a textbook example of how single categories of stratigraphic units do not fit (sometimes do not even approximate) chronostratigraphic correlation. The use of unconformity-bounded units offers new insights into the complex and long debated problem of stratigraphic correlation between Late Neogene deposits of the Pannonian Basin and 'similar' non-marine strata of the Central Paratethys realm. Our study shows that the so-called 'Pontian facies' of western Hungary correspond to an unconformity-bounded unit which is older than the Pontian s.s. facies of the stratotype area (Black Sea basin). Accordingly, we suggest that different stages may be used to discriminate between such similar-in-facies but different-in-age strata. We hence recommend the introduction of a new chronostratigraphic unit ('Danubian' or 'Transdanubian') in the Late Miocene series of Central Paratethys and a three-fold sub-division of the Pannonian (s.l.) strata into Early Pannonian (Pannonian s.s.), 'Middle Pannonian' ('Danubian' or 'Transdanubian') and Late Pannonian (Pontian s.s.) stages. LA - English DB - MTMT ER - TY - JOUR AU - Tóth, József TI - Groundwater as a geologic agent: An overview of the causes, processes, and manifestations JF - HYDROGEOLOGY JOURNAL J2 - HYDROGEOL J VL - 7 PY - 1999 IS - 1 SP - 1 EP - 14 PG - 14 SN - 1431-2174 DO - 10.1007/s100400050176 UR - https://m2.mtmt.hu/api/publication/2947090 ID - 2947090 AB - The objective of the present paper is to show that groundwater is a general geologic agent. This perception could not, and did not, evolve until the system nature of basinal groundwater flow and its properties, geometries, and controlling factors became recognized and understood through the 1960s and 1970s. The two fundamental causes for groundwater's active role in nature are its ability to interact with the ambient environment and the systematized spatial distribution of its flow. Interaction and flow occur simultaneously at all scales of space and time, although at correspondingly varying rates and intensities. Thus, effects of groundwater flow are created from the land surface to the greatest depths of the porous parts of the Earth's crust, and from a day's length through geologic times. Three main types of interaction between groundwater and environment are identified in this paper, with several special processes for each one, namely: (1) Chemical interaction, with processes of dissolution, hydration, hydrolysis, oxidation-reduction, attack by acids, chemical precipitation, base exchange, sulfate reduction, concentration, and ultrafiltration or osmosis; (2) Physical interaction, with processes of lubrication and pore-pressure modification; and (3) Kinetic interaction, with the transport processes of water, aqueous and nonaqueous matter, and heat. Owing to the transporting ability and spatial patterns of basinal flow, the effects of interaction are cumulative and distributed according to the geometries of the flow systems. The number and diversity of natural phenomena that are generated by groundwater flow are almost unlimited, due to the fact that the relatively few basic types are modified by some or all of the three components of the hydrogeologic environment: topography, geology, and climate. The six basic groups into which manifestations of groundwater flow have been divided are: (1) Hydrology and hydraulics; (2) Chemistry and mineralogy; (3) Vegetation; (4) Soil and rock mechanics; (5) Geomorphology; and (6) Transport and accumulation. Based on such a diversity of effects and manifestations, it is concluded that groundwater is a general geologic agent. LA - English DB - MTMT ER -