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Wyszukujesz frazę "Pivko, D." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Ruin marble : a record of fracture-controlled fluid flow and precipitation
Autorzy:
Marko, F.
Pivko, D.
Hurai, V.
Powiązania:
https://bibliotekanauki.pl/articles/2058871.pdf
Data publikacji:
2003
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Western Carpathians
fluids
healed joints
Liesegang rings
ruin marble
banded structures
Opis:
The ruin marble structure of the Cretaceous/Paleogene fine-grained marly limestone from the Outer Flysch Belt of the Western Carpathians has a non-tectonic origin, according to structural and sedimentological evidence. Distinctive offsets of coloured red-brownish ferric oxyhydroxide bands are not due to displacements along rock-cutting fractures, as they superficially appear to be. Evidences for shear movement along these pseudo-faults were not observed. Band offsets result from different velocities of pervasively diffusing fluids, precipitating ferric oxyhydroxides in corridors bounded by sets of mineralised systematic joints. During rock weathering, calcite-filled joints operated as barriers for lateral fluid diffusion, but enabled longitudinal diffusion along healed joints. Simple laboratory experiments have been performed to simulate the formation of natural ruin marble structure.
Źródło:
Geological Quarterly; 2003, 47, 3; 241-252
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Palaeoecology and sedimentology of the Miocene marine and terrestrial deposits in the “Medieval Quarry” on Devínska Kobyla Hill (Vienna Basin)
Autorzy:
Pivko, D.
Hudáčková, N.
Hrabovský, J.
Sládek, I.
Ruman, A.
Powiązania:
https://bibliotekanauki.pl/articles/2060599.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
rhodechfor
rhodalgal
palaeoecology
sedimentology
Middle Miocene
Central Paratethys
Opis:
Dramatic tectonic and sea level changes of the Central Paratethys realm during the Middle Miocene resulted in changes of the coastal and seabed morphology affecting the composition of the marine association and the distribution of the facies along the coast. Three different episodes (marine-terrestrial-marine) in the environmental evolution are interpreted. A lower marine unit (Badenian; Lower Serravallian) reflects organodetrital sedimentation on and around an algal bioherm. Low terrigenous input maërl facies of typical rhodalgal carbonate factory type characterise the top of the algal mound. On the slopes, a rim of rhodechfor facies separated the bioherm from the rest of the bottom which had a seagrass cover. This high-energy rhodechfor carbonate factory is described from the Central Paratethys realm for the first time. It is composed mostly of coralline algae (Mesophyllum, Lithothamnion, Spongites and Lithophyllum), benthic foraminifers (Elphidium crispum, Neoconorbina terquemi, Miniacina sp., Borelis melo), echinoids (cidaroid, spatangoid and diadematoid groups) and bryozoans. Uplift of the Malé Karpaty Mts. resulted in tectonic activity in the vicinity, documented by the presence of clastic dikes and normal faults in the profile studied. Subsequent fluvial and terrestrial sedimentation is represented by regolith, palaeosoil and channel body deposits set discordantly on the top of lagoonal deposits. Finally, the third episode is represented by the Sarmatian transgressive marine sequence, which is characterized by coarse pebbly deposit eroded from an uplifted pre-Neogene basement. The strata studied originated in a warm temperate climate around the Badenian–Sarmatian transition.
Źródło:
Geological Quarterly; 2017, 61, 3; 549--568
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Jurassic red nodular limestone from NE Slovakia used as the Ľubovňa “marble” during the Renaissance in Slovakia and Poland
Autorzy:
Pivko, D.
Powiązania:
https://bibliotekanauki.pl/articles/2060362.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Ľubovňa “marble”
nodular limestone
Stará Ľubovňa
tombstone
Slovakia
Polska
Opis:
The Ľubovňa “marble” is red nodular limestone of Oxfordian to Tithonian age, which used to be extracted in several quarries near the town of Stará Ľubovňa in NE Slovakia. It replaced the Hungarian Gerecse “marble” which was extensively used in the Kingdom of Hungary and surrounding countries from the end of the 12th to the first third of the 16th century when its use was interrupted by the Turkish occupation of the area. The Ľubovňa “marble” was used as a substitution especially for Renaissance tombstones in today’s Slovakia and Poland and it was found also in Hungary. It reached the top of its popularity between the mid-16th and mid-17th century. To a smaller extent it was still used in the surrounding territories during the other styles in the 18th and 19th centuries. The “marble” production was probably affected by the political situation and wars. It is possible to distinguish the Ľubovňa “marble” from the Gerecse “marble” and the Adnet “marble” from Austria macroscopically on the basis of its distinct cleavage, and microscopically on the basis of microfacies with Saccocoma, Globuligerina and calcareous dinoflagellates. According to the stable isotopes of 18O and 13C, it is approximately similar to the Adnet “marble”.
Źródło:
Geological Quarterly; 2017, 61, 1; 53--61
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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