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Wyszukujesz frazę "Moravia" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Texture and petrography of glacial deposits in the northern foothill of the Hruby Jesenik and Rychlebske Mts., Czechia
Autorzy:
Sikorova, J.
Višek, J.
Nyvlt, D.
Powiązania:
https://bibliotekanauki.pl/articles/2059228.pdf
Data publikacji:
2006
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
northern Moravia
clast shape
provenance
glaciofluvial sediment
heavy minerals
Opis:
The petrographic and mineralogical characteristics of glacial deposits from the localities in the northern foothills of the Hruby Jesenik and Rychlebske Mts. have been studied. Grain-size, petrographic composition, heavy minerals, clast shape and roundness have been investigated. The data obtained have been used to create a probability model to differentiate the stratigraphy of particular accumulations and for partial reconstruction of the advance direction of the ice sheet in the area. The main advance direction of the ice sheet was presumed to be from the NW to SE in this region. The erratic material was probably predominantly transported in the basal ice layers according to the clast shape and roundness. An Elsterian age of the sedimentary bodies investigated is suggested by correlation with analogous deposits in adjacent parts of Poland. This model contradicts previous correlations. However, further constraints on the stratigraphic position of these deposits would require the application of dating techniques.
Źródło:
Geological Quarterly; 2006, 50, 3; 345-352
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Local catastrophe caused by tephra input near Přemyslovice (Moravia, Czech Republic) during the Middle Miocene
Autorzy:
Zágoršek, K.
Nehyba, S.
Petrová, P. T.
Hladilová, S.
Bittner, M. A.
Doláková, N.
Hrabovský, J.
Jašková, V.
Powiązania:
https://bibliotekanauki.pl/articles/2058991.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Middle Miocene
Carpathian Foredeep
Moravia
tephra fallout
succession of biota
Czech Republic
Opis:
Colonization by marine organisms such as foraminifers, molluscs, bryozoans, brachiopods and red algae during the Middle Miocene (Early Badenian) transgression near Přemyslovice (Carpathian Foredeep) was initially affected by a cool water current of unclear origin. However, shortly afterwards, fallout of volcanic material caused a total termination of the biota. After this catastrophe, the biota started recolonize the area. The succeeding association, adopted to warm-water input, is characteristic of the climatic optimum during the Early Badenian and is comparable with those of other sections referred to this interval in the Carpathian Foredeep (such as Kralice nad Oslavou, Podbřežice, and Hluchov).
Źródło:
Geological Quarterly; 2012, 56, 2; 269-284
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The provenance of serpentinite tools in the Corded Ware culture of Moravia (Czech Republic)
Autorzy:
Frýbová, P.
Gadas, P.
Přichystal, A.
Všianský, D.
Hadacz, R.
Hlavsa, P.
Powiązania:
https://bibliotekanauki.pl/articles/2060430.pdf
Data publikacji:
2018
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
battle-axes
Corded Ware culture
Moravia
serpentinite tools
Gogołów-Jordanów Massif
petroarchaeology
Opis:
This paper constrains the provenance of polished tools used in the Corded Ware culture (CWC) in Moravia. Based on optical microscopy, Přichystal and Šebela (1992) suggested the source for the CWC battle-axes would be the Gogołów-Jordanów Massif in Lower Silesia (Poland). The present study examines 14 serpentinite tools from archaeological sites of Central Moravia. We have located the origin of the tools' raw material by applying detailed petrographic, geochemical and petrophysical methods, as well as comparisons with data from probable serpentinite sources. Possible sources are adjacent to the Sowie Góry Block (mainly the Gogołów-Jordanów Massif) and within other areas in Central Europe (Penninic Bernstein Window, Western Lugicum and the eastern part of the Moldanubicum). Its most probable source is the Gogołów-Jordanów Massif, which is a part of the Ślęża ophiolite. The tools resemble the raw material source in several ways: firstly in magnetic susceptibility, with an average value of~40 x 10-3 SI; secondly, in the light yellowish-green patched patinated surface and very strong serpentinisation with almost no primary mineral relics; and lastly, in the occurrence of pseudomorphs filled with opaque minerals, and also parts with magnesite aggregates, which are quite rare. The main common feature is the presence of large primary zoned spinels, with Cr- and Al-rich cores and Fe-rich rims. The conclusions are supported by the results of bulk-rock chemical analysis, both the raw material from Lower Silesia and the tools being Mg-rich. In addition, the shape of some Moravian battle-axes (from Prusinovice) corresponds to the Ślęża type that is believed to be characteristic of Lower Silesia. The estimated distance of transport from the source area in Gogołów-Jordanów Massif to the archaeological sites in Central Moravia is >260 km.
Źródło:
Geological Quarterly; 2018, 62, 3; 563--578
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The sedimentary environment of Devonian siliciclastics in the Babí lom locality (Brunovistulian Platform cover, Southern Moravia, Czech Republic)
Autorzy:
Wojewoda, J.
Nehyba, S.
Gilíkova, H.
Burianek, D
Powiązania:
https://bibliotekanauki.pl/articles/2059824.pdf
Data publikacji:
2015
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
southern Moravia
Brno Massif
Devonian siliciclastics
facies analysis
heavy minerals
alluvial fan
braided river
meandering river
palaeotransport
Opis:
Sandstones and conglomerates, which northwards of Brno agglomeration build a hill (ridge) named Babí lom are strongly diagenezed (anchi-metamorphozed) and tectonically deformed. Their regional distribution and stratigraphic position between the Cambrian(?) clastics and Upper Devonian limestones, as well as their appearance meant that they age is considering as Middle Devonian. They are distinguished as the so-called „Basal Devonian Clastics“. Almost all primary sedimentary features are well preserved and distinct. In the metasediments of the Babí lom hill were distinguished both the facies and structures typical of alluvial fans and rivers. Among others they are channel lags with imbricated grains, cross beddings and debrites. Within sedimentary association was established the way-up direction what clearly evidences a coarsening upwards sequence. Assuming the lack of rotation of series of sediments in the X-Y plane, the palaeotrasport was toward the north while major supply with material was from the east.
Źródło:
Geological Quarterly; 2015, 59, 1; 229--238
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
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