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Programme Sunday, 24.06.2018: Ice Breaker and Registration

Time 17:30 Ice breaker and on-site registration Monday, 25.06.2018: Oral and Poster Sessions

Time 08:00 On-site registration 08:15 WELCOME ADDRESS

Oral session 1 08:30 Keynote 1: Sabine Wulf et al.: Unifying Europe: the enhanced use of (crypto)tephra layers for synchronising palaeoenvironmental records O 1.1: Peter Abbott et al.: Tracing Marine Cryptotephras in the North Atlantic during 09:00 the Last Glacial Period O 1.2: Anna Bourne et al.: The Greenland Ice-Core Tephra Record – potential for 09:15 correlation and insights into Icelandic volcanism. O 1.3: Simon Larsson et al.: An encouraging tephrostratigraphy in southernmost 09:30 Sweden: results from Körslättamossen 09:45 O 1.4: Sean Pyne-O'Donnell et al.: The Glacier Peak ash in Scotland O 1.5: Esther Ruth Gudmundsdóttir et al.: Tephrochronology as a tool in 10:00 volcanology: Early explosive volcanism in Iceland 10:15 O 1.6: Frank Sirocko et al.: The ELSA-Tephra-Stack-2018 10:30 Coffee Break

Oral session 2 11:00 O 2.1: Frank Lehmkuhl et al.: The Eltville Tephra (Western Europe): distribution and timing for an important Western European stratigraphic marker O 2.2: Polina Vakhrameeva et al.: The cryptotephra record of the Marine Isotope 11:15 Stage 12 to 9 interval (460–305 ka) at Tenaghi Philippon, : Exploring chronological markers for the Middle of the Mediterranean region O 2.3: Stefan Wastegård et al.: New results from São Miguel, Azores , 11:30 confirming the links between proximal tephras and distal sites in mainland Europe O 2.4: Ali Monteath et al.: Late glacial – early Holocene Cryptotephra from the 11:45 Falkland Islands (Malvinas) O 2.5: Chunqing Sun et al.: Ash from the early Holocene Changbaishan eruption: A 12:00 new marker horizon across East Asia O 2.6: Julie Christin Schindlbeck et al.: 100- kyr cyclicity in volcanic ash 12:15 emplacement: evidence from a 1.1 Myr tephra record from the Nothwest Pacific

Keynote 2: Vera Ponomareva et al.: Explosive eruptions and ash dispersal patterns in 12:30 the northwest Pacific

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13:00 Lunch 14:00 Poster Session 1 15:30 Coffee Break and Poster Session

Oral session 3 16:00 Keynote 3: Michael Sigl et al.: Cryptotephra and sulphur in polar ice – a strong tandem for climate O 3.1: Andrew Dugmore et al.: The value of disrupted, distorted, disturbed and re- 16:30 deposited tephra sequences: from classical tephrochronology to a tephra of past environments. O 3.2: David J Lowe et al.: -shaking insight from liquefied tephra layers in lakes 16:45 in central Waikato region, New Zealand: a new tool to evaluate and date palaeoseismicity? O 3.3: Yu-Tuan (Doreen) Huang et al.: DNA extraction from paleosols on tephras: 17:00 insights in the search for ancient DNA from past terrestrial ecosystems O 3.4: Remedy C. Loame et al.: Using CT scanning for reconnaissance and detection 17:15 of cryptotephras in ~22,000-yr-old lake sediments, central Waikato region, New Zealand O 3.5: Leonie Peti et al.: Fingerprinting rhyolitic tephra layers in New Zealand with µ- 17:30 XRF core scanning: Towards a faster and non-destructive method for tephrochronology O 3.6: Jack Longman et al.: Authigenic calcite formation in tephra: A mechanism for 17:45 enhanced carbon drawdown at the end of the PETM

Public lecture 19:00 Public Lecture: Ioan Seghedi et al.: Geological and volcanological outline of the Carpathian-Pannonian Region with emphasis on the Romanian territory 19:45 Dinner

Tuesday, 26.06.2018: Intraconference fieldtrip

Time Intraconference fieldtrip to the Persani volcanic field 08:00 (excursion leader: Ioan Seghedi) 20:00 Dinner

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Wednesday, 27.06.2018: Oral and Poster Sessions

Time Oral session 4

08:30 O 4.1: Gonca Gencalioglu Kuscu et al.: Challenges in dating of Nisyros tephra O 4.2: Janina Bösken et al.: Chances and challenges in dating tephra marker horizons 08:45 by luminescence dating techniques O 4.3: Christoph Schmidt: Direct and indirect luminescence dating of tephra: 09:00 methodological considerations O 4.4: Jeffrey Oalmann et al.: LA-ICP-MS mapping of volcanic glass: A promising 09:15 technique for measuring trace element abundances in small tephra particles O 4.5: Egor Zelenin et al.: A Bayesian age-depth modelling of a full Pliocene- 09:30 tephrochronological framework for the Northwest Pacific Deep Sea cores O 4.6: Lauren Davies et al.: Modern cryptotephra and high-resolution Bayesian age 09:45 modelling of peat bog profiles: a case study using six sites from Alberta, Canada Keynote 4: Maarten Blaauw: More dates and use Bayes - recommendations for robust 10:00 age-depth models 10:30 Coffee Break 11:00 Workshop chronological modelling (promoter: Maarten Blaauw) 13:00 Lunch 14:00 Poster Session 2 15:30 Coffee Break and Poster Session

Oral session 5 16:00 Keynote 5: Dávid Karátson et al.: Volcanic and geomorphic evolution of the Late Quaternary Ciomadul lava dome complex, the youngest eruptive center of the Carpathian Basin O 5.1: Enikő Magyari et al.: Paleoclimate and paleoenvironment in the Ciomadul 16:30 volcanic area after and before the last eruption O 5.2: Szabolcs Harangi et al.: Eruption ages and geochemical fingerprints of the 16:45 distal tephras from the Late Pleistocene Ciomadul , East Carpathians O 5.3: Réka Lukács et al.: Correlation of Miocene tephras in the Carpathian- 17:00 Pannonian Region and the surrounding areas O 5.4: Rebecca Kearney et al.: Cryptotephra investigation in the Carpathian 17:15 Mountains, Romania O 5.5: Yu Fu et al.: Tephra layer refining Middle Pleistocene chronology of Serbian 17:30 loess O 5.6: Niklas Leicher et al.: Tephrostratigraphy and chronology of the Lake Ohrid 17:45 DEEP site record of the last 1.4 Ma

19:00 Conference Dinner

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Thursday, 28.06.2018: Oral and Poster Sessions

Time Oral session 6

Keynote 6: Caroline Bouvet de Maisonneuve et al.: Improving our understanding of 08:30 Southeast Asian volcanic eruption histories, with an emphasis on Sumatra (Indonesia) O 6.1: Marcus Phua et al.: Tephrostratigraphy in Southeast Asia: towards unravelling 09:00 the eruptive history of Sumatran Volcanoes O 6.2: Takehiko Suzuki et al.: Identification of Lower Pleistocene widespread tephras 09:15 associated with huge caldera-forming eruptions in Northeast Japan (Tohoku) using LA– ICP–MS and SEM–EDS analyses O 6.3: Ajab Singh et al.: Petrography, and 40Ar/39Ar dating of YTT 09:30 ash, Purna alluvial basin, Central India O 6.4: Britta Jensen et al.: A late Pleistocene to Holocene cryptotephra framework for 09:45 paleoenvironmental records from the Midwest to east coast of O 6.5: Catherine Martin-Jones et al.: Lake sediments provide the first eruptive 10:00 history for Corbetti, a high-risk Main Ethiopian Rift volcano O 6.6: Celine Vidal et al.: Timing and dispersal of Middle Pleistocene caldera-forming 10:15 eruptions in the Ethiopian Rift 10:30 Coffee Break

Oral session 7 11:00 Keynote 7: John Westgate: Bandelier Tuff (1.24 Ma) from the Valles caldera in New discovered in southwestern Canada: a career-long problem solved O 7.1: Jenni L Hopkins et al.: Multi-criteria correlation of tephra deposits to source 11:30 centres applied in the Auckland Volcanic Field, New Zealand O 7.2: Nicholas Pearce et al.: Can we correlate variably weathered, phenocrystic 11:45 intermediate tephras using both bulk and single grain analyses? An example from the Lepué Tephra, Southern Andean Volcanic Zone, Chile. O 7.3: Jonathan Moles et al.: Widespread dispersal of rhyolitic tephra from a 12:00 subglacial volcano: linking the terrestrial palaeoenvironment with climate records O 7.4: Katharine Cashman et al.: Sizing up volcanic ash: how do we measure ash 12:15 size, and why should we care? O 7.5: Hannah Buckland et al.: The isopach problem: the consequences of uncertainty 12:30 in the thickness of the distal Mazama tephra O 7.6: Alison Rust et al.: Origins, complications and utility of variations in ash 12:45 componentry 13:00 Lunch 14:00 Poster Session 3 15:30 Coffee Break and Poster Session Round table: INTAV outlook and future; inc. Database Discussion; Student 16:00 Awards

19:30 Dinner

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Friday to Sunday, 29.06.2018 - 1.07.2018, Postconference fieldtrip

Postconference fieldtrip “Late Quaternary Carpathian volcanism and Lower Danube paleoclimate"

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List of Posters

POSTER Session 1

Nick Cutler, Richard Streeter, Andrew Dugmore P 1.1 Vegetation cover, slope and the preservation of terrestrial tephra layers Nick Cutler, Richard Streeter, Lauren Shotter, Joseph Marple, Jean Yeoh, Andrew Dugmore P 1.2 Tephra transformations: variable preservation of tephra layers from two well-studied eruptions Gwydion Jones, Siwan Davies, Neil Loader, Sarah Davies, Mike Walker P 1.3 A Lateglacial to mid Holocene tephrochronological record from Llyn Llech Owain, south Wales Niklas Leicher, Biagio Giaccio, Bernd Wagner, Giorgio Manella, Giovanni Zanchetta, Elenora Regattieri, Sebastien Nomade, Alison Pereira, Thomas Wonik, Melanie Leng, Camille Thomas, Daniel Ariztegui, Mario Gaeta, P 1.4 Fabio Florindo, Elizabeth Niespolo, Paul Renne Tephrostratigraphy and tephrochronology of a 430 ka sediment record from the Fucino Basin, central , unites Mediterranean and North Atlantic archives Richard Streeter, Andrew Dugmore, Nick Cutler

P 1.5 The potential of tephra for paleao reconstruction and assessing landscape resilience

Christel van den Bogaard, B.J.L. Jensen, N.J.G. Pearce, D.G. Froese, 00 : M.V. Portnyagin, V.V. Ponomareva, V. Wennrich P 1.6 16 - Distal – ultradistal: Visible tephra layers in Lake El’gygytgyn, Siberia, Far East Russian Arctic

14:00 Philip Kyle, M.J. Lee P 1.7 New occurrences of the widespread 1254 C.E. tephra in Antarctic ice and

Monday June 25, 2018 25, June Monday identification of Rittmann volcano, Antarctica as the eruptive source. Bergrún Arna Óladóttir, Olgeir Sigmarsson, Guðrún Larsen P 1.8 Tephra improves understanding of explosive eruption frequency and magmatic evolution at active volcanoes Bergrún Arna Óladóttir, Evgenia Illyinskaya, Guðrún Larsen, Magnús Guðmundsson, Kristín Vogfjord, Emmanuel Pagneux, Björn Oddsson, Sara P 1.9 Barsotti, Sigrún Karlsdóttir Catalogue of Icelandic Volcanoes - An open access web resource Daníel Freyr Jónsson, Esther Ruth Gudmundsdóttir, Bergrún Arna Óladóttir, Gudrún Larsen, Olgeir Sigmarsson P 1.10 Mid Holocene eruptions in Hekla volcano: the Hekla Ö, Hekla MÓ and Hekla DH tephra layers Masayuki Torii, Toshiaki Hasenaka, Shinji Toda, Ken-ichi Nishiyama, Mitsuru Okuno P 1.11 Event history of active faults and slope failures based on tephra stratigraphy - An example of the 2016 Kumamoto earthquake Lauren Davies, Duane Froese P 1.12 A Holocene cryptotephra record from north-western Canada with more than 35 distal tephra falls since 10,500 cal yr BP

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Britta Jensen, Foo Zhen Hui P 1.13 Glass geochemical variability of historic Mount St. Helens eruptions and insights into eruption characteristics Andrew Dugmore, Anthony Newton, Emily Lethbridge P 1.14 Wizards’ Floods and classical tephrochronology Anna Bourne, Peter Langdon, David Sear P 1.15 The potential of tephrochronology for linking climate, environmental change and colonisation of the South Pacific Mitsuru Okuno, Agung Harijoko, I Wayan Warmada, Toshio Nakamura, Tetsuo Kobayashi P 1.16 Radiocarbon chronology of the post-caldera volcanoes of Buyan-Bratan caldera in the of Bali, Indonesia Yunus Baykal, Ulrich Hambach, Igor Obreht, Christian Zeeden, Daniel Veres, Zoran Peric, Philipp Schulte, Frank Lehmkuhl, Slobodan B. P 1.17 Markovic The Campanian Ignimbrite tephra layer: How far north does it reach?

POSTER Session 2

Yasuo Miyabuchi P 2.1 Post-caldera tephrostratigraphic framework of Aso Volcano, southwestern Japan Daniela Constantin, Daniel Veres, Cristian Panaiotu, Valentina Anechitei- Deacu, Stefana Madalina Groza, Robert Csaba Begy, Szabolcs Kelemen, Jan-Pieter Buylaert, Ulrich Hambach, Slobodan Marković, Natalia P 2.2 Gerasimenko, Alida Timar-Gabor Luminescence age constraints on the Pleistocene-Holocene transition

recorded in loess sequences across SE Europe Aritina Haliuc, Ina Neugebauer, Christine Lane, Stefan Engels, Gwydion Jones, Dirk Sachse, Achim Brauer P 2.3

Independent chronostratigraphic markers and varve chronology in the Lateglacial palaeoenvironmental record of Lake Hämelsee, N-Germany 16:00

- Alejandro Cisneros de León, Julie Christin Schindlbeck, Axel K. Schmitt, Steffen Kutterolf P 2.4

14:00 Zircon in tephra as a novel tool to decrypt geologic and archaeological archives: a case study from Maria Gehrels, Rewi Newnham, David Lowe, Paul Augustinus

Wednesday, June 27, 2018 27, June Wednesday, P 2.5 A new record of late Holocene (crypto)tephras clarifies timing of early Polynesian impact in northern New Zealand Remedy C. Loame, David J. Lowe, Richard E. Johnston, Elizabeth Evans, Adrian Pittari, Vicki G. Moon, Willem P. de Lange, Siwan M. Davies, P 2.6 Christina R. Magill, Marcus J. Vandergoes, Andrew B.H. Rees, Nic Ross CT and micro-CT scanning of liquefied tephra deposits in ~22,000-yr-old lake sediments, central Waikato region, New Zealand, and implications David J Lowe, Nick JG Pearce, Murray A Jorgensen, Steve C Kuehn, Christian A Tryon, Chris L Hayward P 2.7 Are numerical and statistical methods the panacea for correlating tephras or cryptotephras using compositional data? 13

David J Lowe, Andrew BH Rees, Rewi M Newnham, Zoë J Hazell, Maria J Gehrels, Dan J Charman, Matt J Amesbury P 2.8 Isochron-informed Bayesian age modelling for tephras and cryototephras: application to mid-Holocene Tūhua tephra, northern New Zealand Stephen Kuehn, Janine Krippner, Cheryl Cameron, Simon Goring, Kerstin Lehnert, Douglas Fils, Amy Myrbo, Anders Noren P 2.9 Tephra data without borders: Building a global and interdisciplinary tephra data system Stephen Kuehn Improved EPMA of tephra glasses using TDI, combined EDS+WDS, MAN, P 2.10 a multi-standard blank correction, and a multi-standard normalization to facilitate smaller beams, more elements, greater precision, and better between-session reproducibility Jenni L Hopkins, Richard Wysoczanski, Alan Orpin P 2.11 Deposition, re-working and recycling of Holocene rhyolitic tephra in marine sediments at an active plate margin Takehiko Suzuki, Makoto Kobayashi, Fumikatsu Nishizawa, Kaori Aoki, Daisuke Ishimura, Daichi Nakayama P 2.12 Recent progress and perspective in tephrochronological studies for eruption histories of Quaternary volcanoes in north Izu Islands, off Tokyo Metropolitan Area, Japan Catherine Martin-Jones, Christine Lane, Christian Wolff, Maarten Van Daele, Thijs Van der Meeren, Darren Mark, Phil Barker, Maarten Blaauw, P 2.13 Melanie Leng, Barbara Maher, Dirk Verschuren A ~260-ka eruptive history for Kilimanjaro derived from Lake Challa sediments Peter Abbott, Samuel Jaccard, Steve Barker, Julia Gottschalk, Luke Skinner, Claire Waelbroeck P 2.14 Towards improved constraints on the timing of deep-water ventilation changes and the marine reservoir effect in the Southern Ocean between 40- 10 kyr BP: A tephrochronological and radiocarbon approach Nicholas Pearce, Guilherme Gualda, John Westgate, Emma Gatti P 2.15 Five magma bodies fed the ~75 ka Youngest Toba eruption: tephra glass evidence for YTT magma storage and discharge Ashok K. Srivastava, Ajab Singh P 2.16 YTT ash from Purna alluvial basin, Central India: its comparison with Toba ashes from continental deposits of India Aleksandra Zawalna-Geer, Jan Lindsay, Siwan Davies, Paul Augustinus, Sarah Davies P 2.17 New insight into frequency of ash fall impacting the Auckland region, New Zealand

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POSTER Session 3

Rhys Timms, Jenni Sherriff, Katie Preece, Simon Blockley, Keith Wilkinson, Darren Mark, Daniel Adler P 3.1 Preliminary results from the PAGES* project (*Pleistocene , and Environment of the Southern Caucasus) Milica Radakovic, Rastko Markovic, Daniel Veres, Urlich Hambach, Milivoj Gavrilov, Igor Obreht, Christian Zeeden, Frank Lehmkuhl, Hao P 3.2 Qingzhen, Slobodan Markovic DBTG-Danube Basin Tephra Geodatabase Daniel Veres, Ulrich Hambach, Alida Timar-Gabor, Sabine Wulf, Christian Zeeden, Igor Obreht, Janina Bösken, Milica G. Radaković, Slobodan B. P 3.3 Marković, Frank Lehmkuhl Tephra marker horizons in loess records from southeastern Europe Daniel Veres, Valentina Anechitei-Deacu, Dávid Karátson, Sabine Wulf, Alida Timar-Gabor, Ulrich Hambach, Frank Lehmkuhl, Stephan Pötter, P 3.4 Janina Bösken, Enikő Magyari, Igor Obreht, Slobodan B. Marković Geochemical, sedimentological, and chronological considerations of several

Late Quaternary key marker tephra of Carpathian origin Anthony Newton, Richard Streeter, Colleen Strawhacker, Adam Brin, Rachel Opitz, Andrew Dugmore, Tom McGovern

P 3.5 Integrating tephrochronology with archaeology, the humanities, and palaeoenvironmental and palaeoclimatic records (dataARC) 16:00 - Christian Laag, Ulrich Hambach, Akos Botezatu, Yunus Baykal, Daniel Veres, Thomas Schönwetter, Jannis Viola, Christian Zeeden, Milica G. 14:00 Radaković, Igor Obreht, Mladjen Jovanović, Janina Bösken, Frank P 3.6 Lehmkuhl, Slobodan B. Marković The geographical extent of the “L2-Tephra”: a widespread marker horizon Thursday, June 28, 2018 28, June Thursday, for the penultimate glacial (MIS 6) on the Balkan Peninsula Stephan Pötter, Janina Bösken, Ulrich Hambach, Daniel Veres, Dávid Karátson, Sabine Wulf, Igor Obreht, Slobodan Marković, Frank Lehmkuhl P 3.7 Multi-proxy-approach in palaeoenvironmental reconstructions using terrestrial sequences from southeastern Transylvania, Romania Jayde Hirniak, Eugene Smith, Racheal Johnsen, Shelby Fitch, Caley Orr, David Strait, Minghua Ren, Christopher E. Miller, Fabio Negrino, Julien Riel-Salvatore, Marco Peresani, Stefano Benazzi, Claudine Gravel-Miguel, P 3.8 Curtis Marean, Jamie Hodgkins Using cryptotephra to link Neanderthal and AMH Middle Paleolithic sites in NW Italy Donatella Insinga, Paola Petrosino, Gert J. de Lange, Fabrizio Lirer, Roberto Sulpizio, Jiawang Wu P 3.9 The 4 ka-2 ka cryptotephra record in the Central Mediterranean: new potential isochrones for high-resolution stratigraphy Amy McGuire, Christine Lane, Katy Roucoux, Ian Lawson, Paul Albert P 3.10 A tephrostratigraphy for Lake Ioannina, North West Greece Ralf Gertisser, Rebecca Wiltshire P 3.11 Tephra deposits within the Skaros lava sequence, Santorini, Greece

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Jennifer Saxby, Katharine Cashman, Frances Beckett, Alison Rust P 3.12 Using morphological analysis to explain the presence of large grains in distal cryptotephra deposits Paola Petrosino, Donatella Domenica Insinga, Flavia Molisso, Marco Sacchi P 3.13 Tephra markers as a tool for the timing of the morphotectonic dynamics in the Campi Flegrei caldera Valerie Menke, Steffen Kutterolf, Carina Sievers, Julie Christin Schindlbeck, Gerhard Schmiedl P 3.14 Cryptotephra in the Gulf of Taranto (Italy) as time marker for paleoclimatic studies: A combined qualitative and quantitative glass shard analyses Steffen Kutterolf, Julie Christin Schindlbeck P 3.15 Combined marine, lacustrine, and terrestrial tephrachronostratigraphy of Central America and its implications for volcanology and Viorica Tecsa, Daniel Veres, Natalia Gerasimenko, Christian Zeeden, Ulrich Hambach, Alida Timar-Gabor P 3.16 Multi-method luminescence dating of formation events in Last Glacial East European loess Anca Avram, Constantin Daniela, Veres Daniel, Kelemen Szabolcs, Obreht Igor, Hambach Ulrich, Marković Slobodan, Timar-Gabor Alida P 3.17 Multi-methods luminescence dating of the Batajnica loess section in south of the Carpathian Basin Ștefana Mădălina Groza, Daniela Constantin, Cristian George Panaiotu, Ramona Bălc, Timar-Gabor Alida P 3.18 Revisiting the chronology of Mircea Vodă loess-paleosol sequence, Romania

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Evening Lecture

Public lecture: 2018-06-25, 19:00

Geological and volcanological outline of the Carpathian-Pannonian Region with emphasis on the Romanian territory 1 1 2 IOAN SEGHEDI , ALEXANDRU SZAKÁCS , ZOLTÁN PÉCSKAY 1 Institute of Geodynamics, Romanian Academy, 19–21 Jean-Luis Calderon str., Bucharest 020032, Romania 2 Institute of Nuclear Research of Hungarian Academy of , Bem tér 18/c, 4026 Debrecen, Hungary Contact: [email protected]

This is an outline of the magmatic processes in the Carpathian–Pannonian Region (CPR) from Early Miocene to Recent times with emphasis on the Romanian territory, based on the recent published data. The general geodynamic system was controlled by the collision of with Eurasia, mainly by Adria that generated the Alps to the north, the Dinaride– Hellenide belt to the east that caused extrusion, collision and inversion tectonics in the CPR. These tectonic processes involved two microplates: ALCAPA and Tisza–Dacia. Competition between the different tectonic processes at both local and regional scales caused variations in the associated magmatism, mainly as a result of extension and differences in the rheological properties and composition of the lithosphere. Two basin systems developed: the Pannonian and Transylvanian basins. Weak lithospheric blocks (i.e., ALCAPA and western Tisza) generated the Pannonian basin and the adjacent Styrian, Transdanubian and Zărand basins which show high rates of vertical movement accompanied by a range of magmatic compositions. Strong lithospheric blocks (i.e. Dacia) were only marginally deformed, where strike–slip faulting was associated with magmatism and extension and generation of Transylvanian basin.

The CPR, as well the Romanian territory, contains magmatic rocks of highly diverse compositions: initially subalkaline felsic (rhyolite and dacite) then andesitic (calc-alkaline, adakite-like, transitional), K-alkalic, ultrapotassic and Na-alkalic, generated mainly in response to post-collisional tectonic processes.

Early Miocene felsic volcanism is dominated by calderas, the andesitic subalkaline, K- alkaline and ultrapotassic by composite volcanoes, monogenetic volcanic cones, dome/flow complexes and subvolcanic intrusive complexes and Na-alkalic by monogenetic volcanic fields of maars, diatremes, tuff cones, cinder/spatter cones and lava flows.

Major, trace element and isotopic data of post-Early Miocene magmatic rocks from the CPR suggest lithospheric mantle, as the main source, which preserved metasomatic components after the Cretaceous–Miocene subduction processes that were reactivated especially by extensional tectonic processes that allowed uprise of the asthenosphere.