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Geochemical and Sr-Nd Isotopic Characteristics of Post-Collisional Calc-Alkaline Volcanics in the Eastern Pontides (NE Turkey)
earth siences rocks gneisses
2011/3/22
Major, trace element, K-Ar age and Sr-Nd isotopic data are presented for the Eocene Torul volcanics in the eastern Pontide orogenic belt (NE Turkey). The studied rocks are composed of basaltic andesit...
First Report of a Trilobite in the Carboniferous of Eastern Pontides, NE Turkey
Bayburt Eastern Pontides trilobite Ditomopyginae Carboniferous
2011/6/28
The pre-Mesozoic basement of the Eastern Pontides consists of a Permo-Carboniferous sedimentary sequence including the Çatalçeşme and Hardişi formations. The Çatal&ccedi...
First Records of Conodonts from “the Permo-Carboniferous of Demirözü” (Bayburt), Eastern Pontides, NE Turkey
conodonts Desmoinesian Ç atalç eş me Formation Demirö zü (Bayburt) Eastern Pontides
2009/7/8
Permo-Carboniferous sedimentary rocks, which belong to the pre-Jurassic basement of the Eastern Pontides, occur in the Cebre relative autochthon and the Hamurkesen thrust sheet in the Demirözü a...
Geology and Structural Evolution of the Tokat Massif (Eastern Pontides, Turkey)
Tokat Group Karakaya Complex structural evolution eastern Pontides
2009/7/8
The Tokat Massif consists of a pre-Jurassic metamorphic complex that crops out widely between Amasya and Reşadiye in the western part of eastern Pontides, and which can be correlated with the Kar...
Magma Interaction Recorded in Plagioclase Zoning in Granitoid Systems, Zigana Granitoid, Eastern Pontides, Turkey
plagioclase oscillatory zoning mafic-felsic magma interaction Zigana Granitoid eastern Pontides Turkey
2009/7/8
Plagioclase crystals characterized by compositional zoning are typical of the Zigana Granitoid (ZG), NE Turkey. The zoned crystals, which show textural equilibrium with the assemblage quartz + plagio...
Contact Metamorphism Around the Eocene Saraycık Granodiorite, Eastern Pontides, Turkey
contact metamorphism disequilibrium andalusite + melt stability P-T estimates Saraycı k granodiorite eastern Pontides Turkey
2009/7/7
The Eocene Saraycık granodiorite, eastern Pontides, Turkey, is a small post-tectonic intrusive body (~11 km2), cross-cutting tectonically juxtaposed distinct metamorphic and non-metamorphic litho...
Geochemical Constraints on the Provenance, Mineral Sorting and Subaerial Weathering of Lower Jurassic and Upper Cretaceous Clastic Rocks of the Eastern Pontides, Yusufeli (Artvin), NE Turkey
shale and sandstone geochemistry provenance hydraulic sorting alteration Yusufeli-Artvin northeastern Turkey
2009/7/7
An integrated petrographic and geochemical study of the shales and sandstones of Early Jurassic and Late Cretaceous age in the Yusufeli area (Turkey) was carried out to obtain more information on the...
Jurassic Volcanism in the Eastern Pontides: Is it Rift Related or Subduction Related?
Eastern Pontides geochemistry Sr-Nd isotopes Jurassic basalt Turkey
2009/7/7
The Jurassic volcanic rocks in the centre of the northern zone (south of Trabzon City) provide important constraints on the evolution of Pontides. The investigated volcanic rocks form a transitional s...
Two-and-Three-Dimensional Crustal Thickness of the Eastern Pontides (NE Turkey)
Eastern Pontides crustal structure moho depth Bouguer gravity gravity inversion
2009/7/7
The Eastern Pontide orogenic belt is divided into three subzones (northern, southern and axial zones) based on present lithologies and facies associations. NE-SW-, NW-SE- and E-W-trending fault system...
U-Pb zircon SHRIMP ages,geochemical and Sr-Nd isotopic compositions of the Early Cretaceous I-type Sarıosman pluton,Eastern Pontides,NE Turkey
SHRIMP dating Sarı osman pluton mineral chemistry I-type Sr-Nd isotope geochemistry eastern Pontides
2010/1/11
The petrogenesis and U-Pb SHRIMP zircon ages of the Late Cretaceous Sarıosman pluton in the Eastern Pontides is investigated by means of whole-rock Sr-Nd isotope data with field, petrographic and...
Two-and-Three-Dimensional Crustal Thickness of the Eastern Pontides (NE Turkey)
Eastern Pontides crustal structure moho depth Bouguer gravity gravity inversion
2010/1/11
The Eastern Pontide orogenic belt is divided into three subzones (northern, southern and axial zones) based on present lithologies and facies associations. NE-SW-, NW-SE- and E-W-trending fault system...
Mineral Chemistry and Petrochemistry of Post-Collisional Tertiary Mafic to Felsic Cogenetic Volcanics in the Ulubey (Ordu) Area,Eastern Pontides,NE Turkey
calc-alkaline volcanics crystal fractionation mineral chemistry Tertiary volcanism eastern Pontides Turkey
2010/1/11
Post-collisional Tertiary volcanic rocks in the Ulubey (Ordu) area at the western edge of the eastern Pontides palaeo-arc are divided into four suites. The Yenisayaca basalt (TB) contains plagioclase ...