Search Results - "PEYTCHEVA, Irena"

From a long-lived upper-crustal magma chamber to rapid porphyry copper emplacement: Reading the geochemistry of zircon crystals at Bajo de la Alumbrera (NW Argentina) by Buret, Yannick, von Quadt, Albrecht, Heinrich, Christoph, Selby, David, Wälle, Markus, Peytcheva, Irena

“…•High precision U–Pb zircon dates from a single intrusive porphyry stock.•Rapid timescales of porphyry copper formation.•CA-ID-TIMS zircon geochronology…”
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Tectonic, magmatic, and metallogenic evolution of the Late Cretaceous arc in the Carpathian-Balkan orogen by Gallhofer, Daniela, Quadt, Albrecht von, Peytcheva, Irena, Schmid, Stefan M., Heinrich, Christoph A.

“…The Apuseni‐Banat‐Timok‐Srednogorie Late Cretaceous magmatic arc in the Carpathian‐Balkan orogen formed on the European margin during closure of the Neotethys…”
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Zircon and titanite recording 1.5 million years of magma accretion, crystallization and initial cooling in a composite pluton (southern Adamello batholith, northern Italy) by Schaltegger, Urs, Brack, Peter, Ovtcharova, Maria, Peytcheva, Irena, Schoene, Blair, Stracke, Andreas, Marocchi, Marta, Bargossi, Giuseppe M.

“…The southern part of the Adamello batholith (the so-called “Re di Castello unit”) is an example of a composite pluton, ranging from gabbro to granodiorite in…”
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Karst bauxite formation during Miocene Climatic Optimum (central Dalmatia, Croatia): mineralogical, compositional and geochronological perspectives by Brlek, Mihovil, Gaynor, Sean P., Mongelli, Giovanni, Bauluz, Blanca, Sinisi, Rosa, Brčić, Vlatko, Peytcheva, Irena, Mišur, Ivan, Tapster, Simon, Trinajstić, Nina, Laita, Elisa, Yuste, Alfonso, Šuica, Sanja, Grizelj, Anita, Kukoč, Duje, Schaltegger, Urs

“…The Miocene Climatic Optimum (MCO) represents a global warm period (approximately 17–14.7 Ma) interrupting a long-term period of Cenozoic cooling. To elucidate…”
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Low-temperature constraints on the Alpine thermal evolution of the central parts of the Sredna Gora Zone, Bulgaria by Balkanska, Eleonora, Georgiev, Stoyan, Kounov, Alexandre, Antić, Milorad, Tagami, Takahiro, Sueoka, Shigeru, Wijbrans, Jan, Peytcheva, Irena

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Sulfide Trace Element Signatures and S- and Pb-Isotope Geochemistry of Porphyry Copper and Epithermal Gold-Base Metal Mineralization in the Elatsite–Chelopech Ore Field (Bulgaria) by Elitsa Stefanova, Stoyan Georgiev, Irena Peytcheva, Peter Marchev, Albrecht von Quadt, Raya Raicheva, Ianko Gerdjikov, Kalin Kouzmanov, Adrian Boyce, Torsten Vennemann

“…The Elatsite–Chelopech ore field in the northern part of the Panagyurishte district in Central Bulgaria comprises numerous spatially associated porphyry copper…”
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A Fluid Inclusion and Critical/Rare Metal Study of Epithermal Quartz-Stibnite Veins Associated with the Gerakario Porphyry Deposit, Northern Greece by Stergiou, Christos L., Melfos, Vasilios, Voudouris, Panagiotis, Papadopoulou, Lambrini, Spry, Paul G., Peytcheva, Irena, Dimitrova, Dimitrina, Stefanova, Elitsa

“…The Gerakario Cu-Au porphyry deposit in the Kilkis ore district, northern Greece, contains epithermal quartz-stibnite veins on the eastern side of the deposit,…”
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Rare and Critical Metals in Pyrite, Chalcopyrite, Magnetite, and Titanite from the Vathi Porphyry Cu-Au±Mo Deposit, Northern Greece by Christos L. Stergiou, Vasilios Melfos, Panagiotis Voudouris, Lambrini Papadopoulou, Paul G. Spry, Irena Peytcheva, Dimitrina Dimitrova, Elitsa Stefanova, Katerina Giouri

“…The Vathi porphyry Cu-Au±Mo deposit is located in the Kilkis ore district, northern Greece. Hydrothermally altered and mineralized samples of latite and quartz…”
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Geochemical and isotopic evidence for Carboniferous rifting: mafic dykes in the central Sanandaj-Sirjan zone (Dorud-Azna, West Iran) by Shakerardakani, Farzaneh, Neubauer, Franz, Bernroider, Manfred, Von Quadt, Albrecht, Peytcheva, Irena, Liu, Xiaoming, Genser, Johann, Monfaredi, Behzad, Masoudi, Fariborz

“…In this paper, we present detailed field observations, chronological, geochemical and Sr–Nd isotopic data and discuss the petrogenetic aspects of two types of…”
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New Constraints on the Main Mineralization Event Inferred from the Latest Discoveries in the Bor Metallogenetic Zone (BMZ, East Serbia) by Miodrag Banješević, Vladica Cvetković, Albrecht von Quadt, Darivojka Ljubović Obradović, Nebojša Vasić, Aleksandar Pačevski, Irena Peytcheva

“…This study aims at better constraining the link between magmatism and metallogeny in the south-easternmost sector of the Bor Metallogenetic Zone (BMZ), where…”
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Continuity in geochemistry and time of the Tertiary Bergell intrusion (Central Alps) by Gianola, Omar, Schmidt, Max W., von Quadt, Albrecht, Peytcheva, Irena, Luraschi, Pietro, Reusser, Eric

“…The calc-alkaline Bergell intrusion is classically mapped as a main tonalite and main granodiorite unit, whose ages have been determined at 32 and 30 Ma,…”
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Early to Mid-Miocene syn-extensional massive silicic volcanism in the Pannonian Basin (East-Central Europe): Eruption chronology, correlation potential and geodynamic implications by Lukács, Réka, Harangi, Szabolcs, Guillong, Marcel, Bachmann, Olivier, Fodor, László, Buret, Yannick, Dunkl, István, Sliwinski, Jakub, von Quadt, Albrecht, Peytcheva, Irena, Zimmerer, Matthew

“…Formation and evolution of the Pannonian Basin as part of the Mediterranean region was accompanied by eruptions of compositionally diverse magmas during the…”
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40Ar/39Ar age and petrology of magmatic rocks from East Balkan (Bulgaria) constrain the initiation of regional subduction in SE Europe by Georgiev, Svetoslav, Marchev, Peter, Jicha, Brian, Banushev, Banush, Raicheva, Raya, Peytcheva, Irena, von Quadt, Albrecht

“…A prominent subduction-related magmatic arc hosting significant mineralization formed in SE Europe during the Late Cretaceous. Previous studies on major…”
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Middle Permian–early Triassic magmatism in the Western Pontides, NW Turkey: Geodynamic significance for the evolution of the Paleo-Tethys by Aysal, Namık, Yılmaz Şahin, Sabah, Güngör, Yıldırım, Peytcheva, Irena, Öngen, Sinan

“…[Display omitted] •Middle Permian – Early Triassic magmatism occurred in the Istanbul zone and the Istranca Massif.•Geochemical and isotopic characteristics…”
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Metamorphic history of the Precambrian lower cratonic crust from U-Pb dating of granulite xenoliths (Anabar province, Siberia) by Koreshkova, Marina, Downes, Hilary, Stifeeva, Maria, Salnikova, Ekaterina, Plotkina, Yulia, Akimova, Ekaterina, Peytcheva, Irena, Dimitrova, Dimitrina, Macheva, Lubomira, Larionov, Aleksandr, Sergeev, Sergey

“…Garnet granulite xenoliths from the Nurbinskaya diatreme in the central part of the Archean Anabar province in Siberia are fragments of the local lower crust…”
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Pre-Alpine evolution of a segment of the North-Gondwanan margin: Geochronological and geochemical evidence from the central Serbo-Macedonian Massif by Antić, Milorad, Peytcheva, Irena, von Quadt, Albrecht, Kounov, Alexandre, Trivić, Branislav, Serafimovski, Todor, Tasev, Goran, Gerdjikov, Ianko, Wetzel, Andreas

“…The Serbo-Macedonian Massif (SMM) represents a composite crystalline belt within the Eastern European Alpine orogen, outcropping from the Pannonian basin in…”
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Geochemistry and U–Pb zircon geochronology of metagranites in Istranca (Strandja) Zone, NW Pontides, Turkey: Implications for the geodynamic evolution of Cadomian orogeny by Yilmaz Şahin, Sabah, Aysal, Namık, Güngör, Yıldırım, Peytcheva, Irena, Neubauer, Franz

“…New zircon U–Pb dating and whole-rock geochemical analysis were carried out on meta-intrusive rocks (Çatalca and İhsaniye metagranites) of the Istranca Zone,…”
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Adakitic magmatism in post-collisional setting: An example from the Early–Middle Eocene Magmatic Belt in Southern Bulgaria and Northern Greece by Marchev, Peter, Georgiev, Stoyan, Raicheva, Raya, Peytcheva, Irena, von Quadt, Albrecht, Ovtcharova, Maria, Bonev, Nikolay

“…Post-collisional (56.0–40.4Ma) adakitic magmatism in the Rhodope Massif and the Kraishte region, including W. Srednogorie, in South Bulgaria followed the…”
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U-Pb dating and composition of columbite from Vishteritsa: Implication for timing of granite magmatism and rare-element granitic pegmatites in the Western Rhodopes, Bulgaria by Peytcheva, Irena, Von Quadt, Albrecht, Kostov-Kytin, Vladislav, Kadiyski, Milen, Stavrev, Milen

“…The economic significance of pegmatites as a source of strategic rare metals for high-tech products and green energy motivated the present study on Ta–Nb…”
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Tracing widespread Early Miocene ignimbrite eruptions and petrogenesis at the onset of the Carpathian-Pannonian Region silicic volcanism by Brlek, Mihovil, Richard Tapster, Simon, Schindlbeck-Belo, Julie, Gaynor, Sean P., Kutterolf, Steffen, Hauff, Folkmar, Georgiev, Svetoslav V., Trinajstić, Nina, Šuica, Sanja, Brčić, Vlatko, Wang, Kuo-Lung, Lee, Hao-Yang, Beier, Christoph, Abersteiner, Adam B., Mišur, Ivan, Peytcheva, Irena, Kukoč, Duje, Németh, Bianka, Trajanova, Mirka, Balen, Dražen, Guillong, Marcel, Szymanowski, Dawid, Lukács, Réka

“…[Display omitted] •Onset of Carpathian-Pannonian Region silicic volcanism is refined.•∼18.1 and ∼ 17.3 Ma eruptions made regional ignimbrites and reached…”
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