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What processes control the genesis of absarokite to shoshonite-banakite series in an intracontinental setting, as revealed by geochemical and Sr-Nd-Pb isotope data of Karadak Stratovolcano in Central Anatolia, Turkey

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dc.creator CARAN, Şemsettin
dc.creator ÇOBAN, HAKAN
dc.creator Karsli, Orhan
dc.creator YILMAZ, Kamil
dc.date 2018-12-31T21:00:00Z
dc.date.accessioned 2020-10-06T11:01:46Z
dc.date.available 2020-10-06T11:01:46Z
dc.identifier b7d5c800-516f-4d7a-af9c-b9796785511f
dc.identifier 10.1016/j.lithos.2018.11.034
dc.identifier https://avesis.sdu.edu.tr/publication/details/b7d5c800-516f-4d7a-af9c-b9796785511f/oai
dc.identifier.uri http://acikerisim.sdu.edu.tr/xmlui/handle/123456789/70252
dc.description The Latest Cenozoic absarokite to shoshonite-banakite series (ASB) samples were discovered in the Karadag stratovolcano (KS) which erupted in the Karaman basin in Central Anatolia, Turkey; and has a spatially close association with major strike-slip faults and pull-apart basins. The KS are made up of adakitic andesite and dacite, with minor ASB lava flows. Here, we present integrated data of mineral chemical, whole rock major and trace element, Sr-Nd-Pb isotope and conventional K-Ar age of the ASB series rocks in Central Anatolia. The rocks were dated by conventional K-Ar dating method in old of 393 +/- 153 ka. The series are comprised of slightly differentiated absarokite and more fractionated shoshonite-banakite lava flows. The OI-normative absarokites contain phenocrysts of olivine and diopside, whereas the Hyp-normative shoshonites-banakites are made up of olivine, diopside, phlogopite, K-feldspar and plagioclase. Both series have a potassic nature and near-primitive character with high MgO (5-11 wt%) and Mg# (62 to 74). The overall samples were characterized relatively by the enrichment in large ion lithophile elements (LILE) and the depletion in high field strength elements (HFSE), with insignificant negative Eu anomaly. They possess homogeneous and unradiogenic Sr and Nd isotopic compositions, marked by Sr-87/Sr-86(t) = 0.70507 to 0.70540 and epsilon(Nd)(t) =0.6 to +12. T-DM(,) and Pb isotopic ratios tending towards the EMIT mantle end-member.
dc.language eng
dc.rights info:eu-repo/semantics/closedAccess
dc.title What processes control the genesis of absarokite to shoshonite-banakite series in an intracontinental setting, as revealed by geochemical and Sr-Nd-Pb isotope data of Karadak Stratovolcano in Central Anatolia, Turkey
dc.type info:eu-repo/semantics/article


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