Search Results - "Seghedi, I."

Combined magnetotelluric and petrologic constrains for the nature of the magma storage system beneath the Late Pleistocene Ciomadul volcano (SE Carpathians) by Harangi, S., Novák, A., Kiss, B., Seghedi, I., Lukács, R., Szarka, L., Wesztergom, V., Metwaly, M., Gribovszki, K.

“…The Ciomadul is the youngest volcano of the Carpathian–Pannonian region, which erupted last time at 32ka. It produced high-K dacitic lava domes and pumiceous…”
Get full text

Constraints on the timing of Quaternary volcanism and duration of magma residence at Ciomadul volcano, east–central Europe, from combined U–Th/He and U–Th zircon geochronology by Harangi, S., Lukács, R., Schmitt, A.K., Dunkl, I., Molnár, K., Kiss, B., Seghedi, I., Novothny, Á., Molnár, M.

“…High-spatial resolution zircon geochronology was applied to constrain the timescales of volcanic eruptions of the youngest, mostly explosive volcanic phase of…”
Get full text

New Seismic and Tomography Data in the Southern Part of the Harghita Mountains (Romania, Southeastern Carpathians): Connection with Recent Volcanic Activity by Popa, M., Radulian, M., Szakács, A., Seghedi, I., Zaharia, B.

“…The southern part of the southeastern Carpathians represents the site of the most recent volcanic eruptions of the entire Carpathian-Pannonian region. The…”
Get full text

Neogene–Quaternary magmatism and geodynamics in the Carpathian–Pannonian region: a synthesis by Seghedi, Ioan, Downes, Hilary, Szakács, Alexandru, Mason, Paul R.D., Thirlwall, Matthew F., Roşu, Emilian, Pécskay, Zoltán, Márton, Emö, Panaiotu, Cristian

“…In the Carpathian–Pannonian region in Neogene times, westward-dipping subduction in a land-locked basin caused collision of two lithospheric blocks (Alcapa and…”
Get full text

40Ar/39Ar chronology and paleomagnetism of Quaternary basaltic lavas from the Perşani Mountains (East Carpathians) by Panaiotu, C.G., Jicha, B.R., Singer, B.S., Ţugui, A., Seghedi, I., Panaiotu, A.G., Necula, C.

“…•40Ar/39Ar ages and paleomagnetism of Quaternary basalts from the East Carpathians.•The onset of the Cobb Mountain normal polarity subchron is dated at…”
Get full text

Palaeomagnetism of the South Harghita volcanic rocks of the East Carpathians: implications for tectonic rotations and palaeosecular variation in the past 5 Ma by Panaiotu, C.G., Vişan, M., Ţugui, A., Seghedi, I., Panaiotu, A. G.

“…SUMMARY Lavas of Pliocene–Quaternary age were sampled in the South Harghita Mountains, which form the southern end of the Călimani–Gurghiu–Harghita volcanic…”
Get full text

A geochemical traverse across the Eastern Carpathians (Romania): constraints on the origin and evolution of the mineral water and gas discharges by Vaselli, O, Minissale, A, Tassi, F, Magro, G, Seghedi, I, Ioane, D, Szakacs, A

“…The inner sector of the Eastern Carpathians displays a large number of Na–HCO 3, CO 2-rich, meteoric-originated cold springs (soda springs) and bore wells, as…”
Get full text

Zircon geochronology suggests a long-living and active magmatic system beneath the Ciomadul volcanic dome field (eastern-central Europe) by Lukács, R., Caricchi, L., Schmitt, A.K., Bachmann, O., Karakas, O., Guillong, M., Molnár, K., Seghedi, I., Harangi, Sz

“…•Zircon spot ages suggest prolonged lifetime of the magma reservoir beneath Ciomadul.•Zircon and major mineral phase thermometry suggests near solidus…”
Get full text

Evidence for a persistent magma reservoir with large melt content beneath an apparently extinct volcano by Laumonier, M., Karakas, O., Bachmann, O., Gaillard, F., Lukács, R., Seghedi, I., Menand, T., Harangi, S.

“…Most active volcanoes display eruption frequencies of 10-1000s years but a class of volcanic systems has extremely long repose-time (>10's kyr), and are deemed…”
Get full text

Volcanology of Tuzo pipe (Gahcho Kué cluster) — Root–diatreme processes re-interpreted by Seghedi, I., Maicher, D., Kurszlaukis, S.

“…The Middle Cambrian (~ 540 Ma) Gahcho Kué Kimberlite Field is situated about 275 km ENE of Yellowknife, NWT, Canada. The kimberlites were emplaced into 2.6 Ga…”
Get full text

Post-collisional Tertiary–Quaternary mafic alkalic magmatism in the Carpathian–Pannonian region: a review by Seghedi, Ioan, Downes, Hilary, Vaselli, Orlando, Szakács, Alexandru, Balogh, Kadosa, Pécskay, Zoltán

“…Mafic alkalic volcanism was widespread in the Carpathian–Pannonian region (CPR) between 11 and 0.2 Ma. It followed the Miocene continental collision of the…”
Get full text

The role of fluorine in the genesis of Gataia lamproite, Romania by Seghedi, I., Ntaflos, T.

Get full text

Palaeomagnetism of the South Harghita volcanic rocks of the East Carpathians: implications for tectonic rotations and palaeosecular variation in the past 5 Ma: Palaeomagnetism of South Harghita volcanic area by Panaiotu, C.G., Vişan, M., Ţugui, A., Seghedi, I., Panaiotu, A. G.

Get full text

Permian volcanic rocks from the Apuseni Mountains (Romania): Geochemistry and tectonic constraints by Nicolae, Ionel, Seghedi, Ioan, Boboş, Iuliu, Azevedo, Maria do Rosário, Ribeiro, Sara, Tatu, Mihai

“…An Early Permian volcanic assemblage is well exposed in the central-western part of the Apuseni Mountains (Romania). The rocks are represented by rhyolites,…”
Get full text

Pb, Sr, and Nd isotopes and geochemistry of Miocene magmas in the Apuseni Mountains, Romania by Harris, C.R., RoŞu, E., Pettke, T., Kleine, T., Woodland, S., Heinrich, C.A., Seghedi, I.

Get full text

Petrology and geochemistry of late Tertiary/Quaternary mafic alkaline volcanism in Romania by Downes, H., Seghedi, I., Szakacs, A., Dobosi, G., James, D.E., Vaselli, O., Rigby, I.J., Ingram, G.A., Rex, D., Pecskay, Z.

“…Alkaline volcanic activity occurred in the Persani Mountains (eastern Transylvanian Basin) and Banat (eastern Pannonian Basin) regions of Romania between 2.5…”
Get full text