Geotectonic setting and origin of the Youngest Kula volcanics (Western Anatolia) with a new emplacement model. (Articolo in rivista)

Type
Label
  • Geotectonic setting and origin of the Youngest Kula volcanics (Western Anatolia) with a new emplacement model. (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Alternative label
  • Tökçaer M; Agostini S.; Savascin M.Y. (2005)
    Geotectonic setting and origin of the Youngest Kula volcanics (Western Anatolia) with a new emplacement model.
    in Turkish journal of earth sciences
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Tökçaer M; Agostini S.; Savascin M.Y. (literal)
Pagina inizio
  • 145 (literal)
Pagina fine
  • 166 (literal)
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  • http://journals.tubitak.gov.tr/earth/issues/yer-05-14-2/yer-14-2-2-0508-1.pdf (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 14 (literal)
Rivista
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  • 22 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS), Scopus (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Dokuz EylŸul U†niversitesi, MuŸhendislik FakuŸltesi, Jeoloji MŸhendisligi BšlŸmŸ, Bornova, Izmir, Turkey 2 University of Pisa, Istituto di Geoscienze e Georisorse-CNR, Department of Earth Sciences, Pisa I-56124, Italy (literal)
Titolo
  • Geotectonic setting and origin of the Youngest Kula volcanics (Western Anatolia) with a new emplacement model. (literal)
Abstract
  • …zet: Kuvaterner yaßlÝ Kula volkanikleri NaÕca baskÝn karakterde olmalarÝna karßÝn šnceki diÛer tŸm BatÝ Anadolu volkanikleri KÕca egemen volkanik kayalardÝr. BatÝ Anadolu iin tek bir šrnek olan bu bŸyŸk miktardaki plato bazaltlarÝnÝn varlÝÛÝ jeokimya sonularÝ ile de desteklenen hÝzlÝ bir manto materyalinin yŸkselimini ißaret eder. En yaßlÝ Kula volkanikleri, birden fazla lav akÝntÝsÝndan olußan plato bazaltlarÝdÝr. Volkanik aktivitenin baßlangÝcÝnda geniß bir yayÝlÝm sunan bu plato bazaltlarÝ 1. evre plato bazaltlarÝ olarak adlanÝrlar. Birinci evre plato bazaltlarÝ kimi yerde yŸkselmiß kimi yerlerde aßÝnmÝß ve kimi yerde ise daha gen lavlar ve tortullarca šrtŸlmŸßlerdir. Plato bazaltlarÝ ile kaplÝ horstlar bazaltlarÝn dayanÝmlÝlÝÛÝdan dolayÝ cok iyi korunmußlardÝr. Bšlgedeki aÝlma dšnemi sŸresince volkan konilerinin olußumu kesintisiz devam etmißtir. Volkanik aktivitenin son dšneminde en gen volkan konileri bir kez daha lav Ÿreterek ikinci plato bazaltlarÝnÝ olußturmußlardÝr. Bu iki plato bazalt evresi arasÝnda farklÝ aßÝnma derecelerine sahip 80Õden fazla volkan konisi vardÝr. Kula bazaltlarÝ, BatÝ AnadoluÕda astenosferik mantonun hÝzlÝ yŸkselmesine tek šrnektir ve bu GBÕya hareket eden Ege mikroplakasÝnÝn Afrika Ÿzerine bindirme hÝzÝnÝn, Anadolu plakasÝnÝn Afrika Ÿzerine bindirme hÝzÝndan daha fazla olmasÝ sebebiyle aÝlmÝß olan bir eßit yatay pencerenin varlÝÛÝna baÛlanabilir. (literal)
  • Abstract: The Quaternary Kula volcanics are Na-dominant in character while all the older volcanic rocks of western Anatolia are generally definitive K-dominant rocks. As a unique example in western Anatolia, the existence of a huge amount of plateau basalts at Kula indicates rapid uplift of mantle material, as confirmed by new geochemical data. Based on our field observations, the oldest Kula volcanics are the plateau basalts with more than one main lava flow. At the beginning of volcanic activity (first-period plateau basalts), this plateau was vast. Subsequently, parts of the first-period plateau basalts were uplifted and partly eroded while other parts were covered by younger lavas, tephra and sediments. The horsts, covered by plateau basalts, are well protected because of their resistance to erosion. During extensional activity, the development of cinder cones continued without hiatus. During the last period of volcanic activity, the youngest craters once again produced lava flows to form the second-period plateau basalts. As a result, there are more than 80 cinder cones with quite different erosional stages between the first and second plateau-basalt periods. The Kula basalts are the only example of rapid uplifting of asthenospheric material in western Anatolia, and are interpreted to form due to the opening of a horizontal slab window as a consequence of the more rapid southwestward movement of the Aegean microplate overriding Africa, with respect to the Anatolian plate (literal)
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