Badenian evaporite basin of the northern Carpathian Foredeep as a drawdown salina basin
BABEL M.
Institute of Geology, Warsaw University, Al. Zwirki i Wigury, 93, PL-02-089 Warszawa, Poland.
m.babel@uw.edu.pl
ABSTRACT: The Middle Miocene (Badenian) Ca sulphate-dominated evaporites of the
northern Carpathian Foredeep (in Ukraine, Poland, the Czech Republic and Moldova) are interpreted as deposits
of a giant and shallow salina basin developed in northern Central Paratethys during the Badenian salinity
crisis. The predicted features of a salina basin model are discussed and compared with the actual geological
record of the Badenian evaporites. The main depositional features of a salina basin, are: (i) evaporite
drawdown; (ii) rapid and large fluctuations in basinal water level; (iii) presence of both shallowing-upward
and deepening-upward depositional sequences; (iv) aggradational deposition; (v) variable marine, non-marine,
and/or mixed characteristic of brine; all of which are recognised in this Badenian basin. Aggradational
evaporite deposition was controlled by water or brine level fluctuations within the basin or subbasins.
Because the basin was separated from the sea by some emerged barriers these fluctuations were only weakly
dependent on world-wide sea-level changes but were rather controlled by regional climate.
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The position and age of the youngest deposits in the Mszana Dolna and Szczawa tectonic windows (Magura Nappe, Western Carpathians, Poland)
OSZCZYPKO-CLOWES M., OSZCZYPKO N.
Institute of Geological Sciences, Jagiellonian University, Oleandry 2a, 30-063 Kraków, Poland
ABSTRACT: The Mszana Dolna and Szczawa tectonic windows are composed of deposits
belonging to the Fore-Magura Group of units. The central and most uplifted part of these windows are
dominated by relatively flat laying deposits belonging to the Krosno Formation (Oligocene) of the Dukla Unit.
The western, eastern and southern marginal parts of the Mszana Dolna tectonic window are occupied by strongly
tectonized, Cretaceous-Oligocene deposits assigned to the Grybów Unit. The Szczawa tectonic window is entirely
built up of Oligocene deposits of the Grybów Unit. The youngest deposits of the Mszana Dolna tectonic window
are correlated with zone NP24 (Dukla Unit) and NP23-NP25 (Grybów Unit). In the Szczawa tectonic window
(Grybów Unit), the NP22-NP24 Zone was determined in the Grybów Beds, whereas the Cergowa Beds belong to
zone NP24. Such age determination corresponds well with that of the southern part of the Silesian and Dukla
units. The deposits of the Dukla and Grybów units are tectonically covered by the Cretaceous-Eocene deposits
of the Magura Nappe. During the latest Oligocene a thrusting of the Magura Nappe onto the Fore-Magura
sedimentary basin began (Grybów and Dukla). This process was probably initiated under the submarine condition.
The last of the over thrusting stages took place probably during the Middle Miocene, and resulted in the
development of the Mszana-Dolna duplex structure.
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Middle Cenomanian ammonites from the type section of the Sanandinovo Formation of northern Bulgaria
KENNEDY W. J.1, JOLKICEV N.2
1Oxford University Museum of Natural History, Parks Road, Oxford OX1 3PW, United Kingdom.
Jim.Kennedy@oum.ox.ac.uk
2Department of Geology & Geography, University of Sofia, Russki Boulevard 15, Sofia 1000, Bulgaria
ABSTRACT: The type section of the Sanandinovo Formation between the villages of Sanandinovo and Novachene
in northern Bulgaria has yielded numerous ammonites from packages 7-9 of the sequence recognised by previous authors. The assemblage
is: Tetragonites subtimotheanus Wiedmann, 1962, Puzosia (Puzosia) mayoriana (d’Orbigny, 1841),
Acanthoceras jukesbrownei (Spath, 1926), Protacanthoceras tuberculatum tuberculatum Thomel, 1972, Calycoceras
(Newboldiceras) asiaticum asiaticum (Jimbo, 1894), C. (N.) asiaticum spinosum (Kossmat, 1897),
C. (N.) planecostatum (Kossmat, 1897), Calycoceras (Proeucalycoceras) picteti Wright
& Kennedy, 1990, and Scaphites equalis J. Sowerby, 1813. The assemblage indicates the upper Middle Cenomanian
Acanthoceras jukesbrownei Zone of Western Europe. We have seen no evidence for either older or younger Cenomanian
ammonite zones from the sequence.
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A farewell to Swiniary sequence of mass-aggregated, spine-coated echinoids Psammechinus and their associates (Middle Miocene; Holy Cross Mountains, Central Poland)
RADWANSKI A., WYSOCKA A.
Institute of Geology, University of Warsaw, Al. Zwirki i Wigury 93; PL-02-089 Warszawa, Poland.
Anna.Wysocka@uw.edu.pl
ABSTRACT: The Swiniary sand-pit (Middle Miocene, Badenian; southern slopes of the Holy Cross Mountains,
Central Poland), which has yielded innumerable fossils of various kinds over the last fifty years, is revisited. Most significant
there were mass accumulations of a single echinoid species, Psammechinus dubius (L. Agassiz, 1840), tests of which preserved
spine canopies and Aristotle’s lanterns in position. Other echinoids represented were rare, e.g. Spatangus
austriacus Laube, 1871, ‘Giant Psammechinus sp.’, Echinocardium peroni Cotteau, 1877, and
Echinocyamus pusillus (O.F. Müller, 1776). The pit has since been abandoned and recultivated entirely; in view of
this an updated review of, and supplement to, previous data on the Świniary biotic assemblages, and their environmental
living conditions, is here presented. The mass accumulations of Psammechinus dubius are interpreted to have been of
storm origin, i.e. mass transportation and burial of live, or freshly dead, specimens. Hinted at is a predatory activity of the
starfish Astropecten forbesi Heller, 1858, upon juveniles of Psammechinus dubius absent from the storm-related
thanatocoenoses. Associated with echinoderms are, amongst other groups, verrucid barnacles Verruca sp. and inarticulate
brachiopods Discinisca leopolitana (Friedberg, 1921) derived from eulittoral habitats, as well as pieces of terrestrial
amber swept out of the shore. A general shallowing-up trend in the Swiniary sequence is recognised, as indicated by environmental
conditions changing from deeper offshore to proximal sublittoral, possibly shallow subtidal.
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The first articulated antiarch (Vertebrata, Placodermi) from the Upper Devonian of the Holy Cross Mountains (central Poland)
SZREK P.
Institute of Geology, Warsaw University, Al. Zwirki i Wigury 93, PL-02-089 Warszawa, Poland.
pszrek@poczta.onet.pl
ABSTRACT: The first articulated antiarch, Bothriolepis jazwicensis sp. nov., from the lowermost
Famennian (Upper Devonian) of the Jazwica Quarry (Lgawa Hill) near Kielce, in the Holy Cross Mountains
(central Poland), is described. B. jazwicensis sp. nov. is distinguished from all other species of
Bothriolepis especially by possessing long and narrow armour and many unusual proportions of the head-shield and
trunk-shield plates. This is the most complete specimen of a placoderm ever found in the Holy Cross Mountains and its state
of preservation precludes its longer post mortem transport.
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The geological significance of the Rb-Sr whole-rock isochron of hornfelsed schists from the Izerskie Garby Zone, Karkonosze-Izera block, southern west Poland
FILA-WOJCICKA E.
Korkowa Str. 16f, PL-04-502 Warszawa, Poland.
ewafilawojcicka@piesio.pl
ABSTRACT: Preliminary Rb-Sr isotope data for hornfelsed schists from the ‘Stanislaw’
quarry in the Izerskie Garby Zone are reported. An isochron based on three points representing three whole-rock samples yields an
age of 333 ± 4 Ma (Visean) and an initial 87Sr/86Sr ratio of 0.709567. The Rb-Sr age of 333 ± 4 Ma, indicating the
date of the Rb-Sr system closure, can be interpreted as the cessation of contact metamorphism in the Izerskie Garby Zone. The
age of 333 ± 4 Ma is close to the peak of contact metamorphism in this zone.Contact metamorphism and silification in the
Izerskie Garby Zone were genetically related to the activity of the Variscan Karkonosze pluton. Contact metamorphism was older
than the biotite cooling at ca. 320 Ma.
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Influence of soil-water conditions on the migration of pollutants in the vicinity of municipal ndfill sites
ZLOTOSZEWSKA-NIEDZIALEK H.
Geoengineering Department, Warsaw Agricultural University (SGGW), Nowoursynowska Str. 166, PL-02-787 Warszawa
zlotoszewska@alpha.sggw.waw.pl
ABSTRACT: The time taken for a pollutant to migrate from the potential source to the groundwater
reservoir is one of the main criteria in evaluating groundwater hazards. This process depends on the lithology and thickness
of the deposits forming the basement of the landfill site as well as on the depth to the groundwater table, infiltration and the
concentration of effluents. This paper focuses on the analysis of the influence of particular factors on the transport of pollution,
based on field analyses and numeric modelling. The Femwater program was applied in numeric calculations. This program solves a
3-D modified Richards equation for groundwater flow by the finite elements method (FEM), and the mass transport equation using
the hybrid Lagrange – Euler finite elements method. The results obtained allow evaluation of the influence of the soil-water
environment factors that determine the rate of pollution distribution and are the basis for forecasting the processes concerned
in the migration of pollutants. The problem was solved in two examples of municipal waste landfill sites characterised by a
different geological setting, one located on the supra-flood terrace in the River Vistula valley and the other on the Wolomin
Plateau.
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