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Wyświetlanie 1-3 z 3
Tytuł:
Kamień w architekturze sakralnej i użytkowej Sycylii
A stone in the sacred and functional architecture of Sicily
Autorzy:
Wiszniewska, J.
Ruszkowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/2075868.pdf
Data publikacji:
2018
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Sycylia
kamieniołomy wapienia
architektura sakralna
przemysł kamieniarski
historia eksploatacji kamienia
Sicily
limestone quarries
sacral architecture
stone industry
history of stone exploitation
Opis:
The Sicily island is rich in high quality rock raw materials and has a long historical culture in natural stone production. The resources of limestone, marble, sandstone and basalt in Sicily are huge and exploited for many centuries. Its biggest city centers and historical monuments are adorned with locally quarried marble, limestone and lava stone from the Etna volcano. Exploring the raw materials potential was closely related to the development of first Sicily inhabitants who initially used available natural stones adapting them for their basic needs. The art of using stones - in the field of building structure improvement, and the use of impressive rock varieties in sculpture and art decoration were developed by ancient Greeks, Romans, and later Arabs and Normans who invaded this island. In many Sicilian cities it is possible to trace new objects growing on the older buildings, which are characterized by the invader cultures or new trends in construction. Material culture of stone applied in Sicilian construction and architecture was developed with the emerging styles. For the construction of these historical buildings, a local stone on the island has been used.
Źródło:
Przegląd Geologiczny; 2018, 66, 7; 444--449
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mineralogy of Miocene phosphatic nodules in SE Sicily (Italy)
Autorzy:
Cultrone, G.
Anfuso, G.
Sebastián, E.
Powiązania:
https://bibliotekanauki.pl/articles/2060205.pdf
Data publikacji:
2008
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Late Burdigalian
francolite
crystallites
bacteria
Opis:
This paper describes the geochemistry and pe trography of three phos phatic nod u lar de pos its in Ragusa Province, south-east Sic ily (Italy). Phosphate nodules of late Burdigalian age are dispersed in a soft, friable packstone matrix within the Irminio Member of the Ragusa Formation. Mineralogical analyses revealed large amounts of calcite (64 to 89 wt. %) and smaller quantities of carbonate-fluorapatite (CFA). P2O5 content was less than 18%. Microtextural observations demonstrated that phosphate precipitation occurred in the microenvironments in the sediment in confined spaces (i.e. cavities, perforations) and not in the shells of microorganisms. The crystals were all of a similarsize (~~1 mm), presented imperfections, and the {0001}CFA and the {1010}CFA forms were clearly apparent. These hexagonal prisms showed reduced growth along their caxis. Our data suggest that bacteria were in volved in the precipitation of CFA.
Źródło:
Geological Quarterly; 2008, 52, 1; 61-61
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tectonic evolution of the Sicilian Thrust System (central Mediterranean)
Autorzy:
Napoli, G.
Nigro, F.
Renda, P.
Ślqczka, A.
Favara, R.
Powiązania:
https://bibliotekanauki.pl/articles/2060501.pdf
Data publikacji:
2012
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
Sicily
Africa margin deposits
thrusting
extension
tectonics
accretionary prism
Opis:
The Sicilian Thrust System (STS) is a south-verging (Africa-verging) fold-and-thrust belt including a Mesozoic-Paleogene sedimentary sequence. This thrust stack owes its origin to the deformation of pre-orogenic strata deposited in different palaeogeographic domains belonging to passive margins of the African plate. The STS was deformed during the Neogene, following the closure of the Tethys Ocean and the continental collision between the Sardo-Corso Block and the north Africa margins. The thrust pile was detached from the underlying basement during the Miocene-Pleistocene. The regional-scale structural setting recognized allows us to reconstruct the tectonic evolution of the STS as follows: I - piggy-back thrusting from the Late Oligocene to the Langhian, inducing the building of the Inner Sicilian Chain (ISC); II - piggy-back thrusting from the Langhian to the Tortonian, inducing the formation of the Middle Sicilian Chain (MSC); III - generalized extensional deformation in the chain-foredeep-foreland system from the Tortonian to the Early Pliocene; IV-a new onset of piggy-back thrusting after the Early Pliocene allowed the building of the Outer Sicilian Chain and out-of-sequence thrusting in the previously developed ISC and MSC.
Źródło:
Geological Quarterly; 2012, 56, 4; 579--600
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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