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  • 1
    Electronic Resource
    Electronic Resource
    Palaeogeographic and geodynamic evolution of the Gondwana continental margins during the Cambrian (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Terra nova 4 (1992), S. 0 
    Details
    ISSN: 1365-3121
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: During the Cambrian, two types of continental margins occurred around Gondwana. The eastern margin (Antarctica, Australia and southern South America) was characterized by a narrow continental shelf with a steep slope separating the shallow water environment from a deep-oceanic one accompanied by mafidultramafic volcanics. The western margin was characterized by a wider continental shelf, probably passing gradually to an unknown outer basin. This comprised three main domains: the Asiatic shelf, composed of distinct cratonic blocks, presumably separated from each other by deeper-water/ volcanic intracontinental basins; the European shelf, characterized by the development of shallow intracontinental siliciclastic basins; and the Americanc-African shelf, morphologically and depositionally uniform. The distinction of these two Gondwana continental margins expresses their different geodynamic behaviour during Cambrian extensional tectonics. In fact, the sedimentary/palaeogeographic evolution, suggests the establishment of an active Pacific-like margin in the eastern domain, and the tentative establishment of a divergent Atlantic-like margin, in the westem one.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3121.1992.tb00615.x
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  • 2
    Electronic Resource
    Electronic Resource
    Shelf to basin transition in the Cambrian-Lower Ordovician of Sardinia (Italy) reply (1989)
    Springer
    International journal of earth sciences 78 (1989), S. 685-688 
    Details
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01776198
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  • 3
    Electronic Resource
    Electronic Resource
    Shelf to basin transition in the Cambrian-Lower ordovician of Sardinia (Italy) (1987)
    Springer
    International journal of earth sciences 76 (1987), S. 827-836 
    Details
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract In southern and central Sardinia two different Cambrian-Lower Ordovician sedimentary belts occur. The former is exposed in southwestern Sardinia (Iglesiente and Sulcis), and is characterized by shallow-marine siliciclastic and carbonate sediments settled on a continental shelf with lowangle morphology. The latter, exposed in the Nappe Zone (central and southeastern Sardinia), consists of a thick monotonous sequence of siliciclastic deposits settled in a deeper-water basin. The comparative analysis of the sequences and their palinspastic reconstruction lead to recognize an inner and outer shelf respectively in Iglesiente and in northern Sulcis, a transition to the basin in eastern and southern Sulcis and a basin in the eastern areas of Sardinia (Nappe Zone).
    Abstract: Résumé En Sardaigne méridionale et centrale, on connaît deux ensembles sédimentaires d'âge cambro-ordovicien. Le premier, exposé dans la partie sud-occidentale de l'île (secteurs de l'Iglesiente et du Sulcis), est caractérisé par des sédiments carbonatés et terrigènes déposés sur un shelf continental morphologiquement régulier et à inclinaison faible. Le second, exposé dans la »zone des nappes« (Sardaigne orientale) est composé d'une séquence terrigène monotone déposée dans un bassin plus profond. L'analyse comparée des séquences et les reconstructions palynspastiques conduisent à reconnaître plusieurs domaines paléogéographiques: un shelf interne dans l'Iglesiente, un shelf externe dans le Sulcis septentrional, une transition vers le bassin profond dans le sud et l'est du Sulcis et ce bassin profond dans la Sardaigne orientale (»zones des nappes«).
    Notes: Zusammenfassung In Süd- und Zentral-Sardinien gibt es zwei unterschiedliche Sedimentgürtel im Kambrium bis Unterordovizium. Der ältere ist in Südwest-Sardinien (Iglesiente und Sulcis) aufgeschlossen. Er ist aus flachmarinen siliziklastischen und karbonatischen Sedimenten eines kontinentalen Schelfes mit flachem Relief aufgebaut. Der zweite Sedimentgürtel, aufgeschlossen in der Decken-Zone (Zentral- und SE-Sardinien) besteht aus einer mächtigen einheitlichen Folge von siliziklastischen Ablagerungen eines tieferen Beckens. Die vergleichende Analyse der Folgen und die palinspastische Rekonstruktion läßt einen inneren und einen äußeren Schelf im Gebiet von Iglesiente und nördlichen Sulcis erkennen, einen Übergang zum Becken im östlichen und südlichen Sulcis sowie ein Becken im östlichen Sardinien (Decken-Zone).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01821066
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  • 4
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    Anatomy of the Early Cambrian 'La Sentinella' reef complex, Serra Scoris, SW Sardinia, Italy (2007)
    In:  Geological Society Special Publication 275: 29-50.
    Details
    Publication Date: 2007-10-08
    Description: All bioherms from the Early Cambrian (Botoman) Matoppa Formation of the Nebida Group in SW Sardinia were previously thought to be dominated by Epiphyton. However, at La Sentinella' (Serra Scoris Hill), they are composed of Girvanella, Razumovskia, Botomaella and Renalcis, with Epiphyton and archaeocyaths as accessory components. This association forms two unusual types of crust boundstone, consisting of stacked flat or curved crusts and saucer-like archaeocyaths delimiting shelter cavities. Dendrolitic Renalcis archaeocyath-cement boundstone caps the bioherm. Analysis of the La Sentinella reef complex and comparison with similar constructions from Mongolia (Zuune Arts, Salaany Gol), Nevada (Stewart's Mill, Battle Mountain), Mexico (Sonora) and China (Tianheban Formation) suggest that episodic deposition of fine-grained siliciclastic or carbonate sediment followed by periods of non-deposition enabled the calcimicrobial rafts and crusts to colonize the substrate and then provide synoptic relief for the development of a dendrolitic Renalcis-cement framework. La Sentinella' is one of the rare examples of Cambrian reef complex displaying community replacement, from an initial stage of thrombolitic and/or flat-stacked microbial crusts on a muddy substrate to an arched microbial crust system, to a more resistant Renalcis-cement boundstone. Such bioherms reflect an open-shelf, shallow-marine environment of increasing energy.
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  • 5
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    Calcareous tufa as indicators of climatic variability: a case study from southern Tuscany (Italy) (2010)
    In:  Geological Society Special Publication 336: 263-281.
    Details
    Publication Date: 2010-06-21
    Description: A carbonate terraced succession mainly consisting of fluvial/palustrine calcareous tufa and of lacustrine limestone was deposited during recent Quaternary in a limited segment of the Valdelsa fluvial pattern (southern Tuscany, Italy). The radiometric data obtained from three carbonate terraces indicate that the depositional/erosional history of the Valdelsa succession during Late Pleistocene-Holocene, has been constrained by the same cyclic events observed in coeval detrital lacustrine successions of Central Italy. At least three of the Valdelsa carbonate Synthems and the interposed erosional phases can be correlated with the major climatic changes recognized in the European-Mediterranean area, from the Last Glacial Interstadial through the Younger Dryas to the Atlantic Optimum Climatic', the Sub-Boreal and finally at 2.5 ka the last Sub-Atlantic oscillation. This climatic correlation and the radiometric data imply that the deposition of calcareous tufa in Valdelsa was mainly dependent on rainfall availability and, consequently, was active during the milder oscillations within the cold periods.
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  • 6
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    Biomaterials and engineered microenvironments to control YAP/TAZ-dependent cell behaviour (2018)
    Springer Nature
    Details
    Publication Date: 2018
    Print ISSN: 1476-1122
    Electronic ISSN: 1476-4660
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Natural Sciences in General , Physics
    Published by Springer Nature
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  • 7
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    Biomaterials and engineered microenvironments to control YAP/TAZ-dependent cell behaviour (2018)
    Springer Nature
    Details
    Publication Date: 2018-10-30
    Description: Biomaterials and engineered microenvironments to control YAP/TAZ-dependent cell behaviour Biomaterials and engineered microenvironments to control YAP/TAZ-dependent cell behaviour, Published online: 29 October 2018; doi:10.1038/s41563-018-0180-8 Biomaterials have been utilized widely to study cellular mechanotransduction. This Review discusses how cells respond to mechanical cues elicited by a range of biomaterial characteristics via YAP/TAZ mechanosensitive transcriptional factor activity.
    Print ISSN: 1476-1122
    Electronic ISSN: 1476-4660
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Natural Sciences in General , Physics
    Published by Springer Nature
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  • 8
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    Tectonic control on the sedimentary architecture of Early Mesozoic mixed siliciclastic-carbonate Pseudoverrucano successions (southern Tuscany, Italy) (2012)
    Italian Geological Society
    Details
    Publication Date: 2012-02-01
    Description: The mixed siliciclastic-carbonate successions of Early Mesozoic age exposed in the Pseudoverrucano tectonic units, along the coast of southern Tuscany (Montebrandoli and Punta delle Rocchette, Early Liassic) and in the Monti dell’Uccellina (Porticciolo di Cala di Forno and Salto del Cervo, Late Triassic) are characterized by fossil assemblages suggesting a close relationship with the coeval, mainly carbonate successions of the “Tuscan Series” while the depositional features are completely different. The composition of the mixed facies are similar, characterized by: i) recurring fining-upward sequences with well rounded but poorly selected white quartz-conglomerates, ii) coarse quartz sand grading to lagoonal lime-muds, or iii) thin intercalations or isolated quartz pebbles enclosed together with shell debris, within open marine although shallow carbonates. The depositional environments correspond to alluvial-fan complexes on narrow coastal plains merging with sandy beaches and lagoonal to shallow marine settings where the carbonate micritic deposition prevailed. This sedimentary style suggests that unsorted quartz debris was transported from an adjacent uplifted source area by gravity currents through very narrow coastal plains, and flowing into coastal lagoons or directly into the open sea, mixed coarse, land derived debris with open marine carbonate muds. The peculiar vertical evolution of the Pseudoverrucano facies suggests that the episodic input of siliciclastic materials was connected with storm events most probably triggered by tectonic pulses since no evidences of eustatic or climatic constrain on the sedimentation is apparent. The depositional features and fossil content of the mixed siliciclastic-carbonate Pseudoverrucano successions argues for a coastal sedimentation on narrow shelves delimited by active, fault-bounded highs, representing the landward extension of the epicontinental/pericontinental pelagic basins that from late Triassic in a regime of continental rifting, developed on the east-facing shelf of central Pangea.
    Print ISSN: 2038-1719
    Electronic ISSN: 2038-1727
    Topics: Geosciences
    Published by Italian Geological Society
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  • 9
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    Marbles and carbonate rocks from central Morocco: a petrographic, mineralogical and geochemical study (2011)
    Springer
    Details
    Publication Date: 2011-07-29
    Print ISSN: 1866-6280
    Electronic ISSN: 1866-6299
    Topics: Geosciences
    Published by Springer
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  • 10
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    Calcite veining and feeding conduits in a hydrothermal system: Insights from a natural section across the Pleistocene Gölemezli travertine depositional system (western Anatolia, Turkey) (2018)
    Elsevier
    Details
    Publication Date: 2018-02-01
    Print ISSN: 0037-0738
    Electronic ISSN: 1879-0968
    Topics: Geosciences
    Published by Elsevier
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