TY - JOUR AU - Geshi, N. AU - Németh, Károly AU - Noguchi, R. AU - Oikawa, T. TI - Shift from magmatic to phreatomagmatic explosions controlled by the lateral evolution of a feeder dike in the Suoana-Kazahaya eruption, Miyakejima Volcano, Japan JF - EARTH AND PLANETARY SCIENCE LETTERS J2 - EARTH PLANET SC LETT VL - 511 PY - 2019 SP - 177 EP - 189 PG - 13 SN - 0012-821X DO - 10.1016/j.epsl.2019.01.038 UR - https://m2.mtmt.hu/api/publication/30438504 ID - 30438504 N1 - Short communication! Export Date: 17 February 2019 Funding Agency and Grant Number: Japan Meteorological Agency; JSPS KAKENHIMinistry of Education, Culture, Sports, Science and Technology, Japan (MEXT)Japan Society for the Promotion of ScienceGrants-in-Aid for Scientific Research (KAKENHI) [16H06348]; Catalyst Seeding JSPS - Royal Society of New Zealand Project [CSG-MAU1603/2018-2019] Funding text: The field surveys in Miyakejima were supported by the Japan Meteorological Agency. A field survey and petrological analysis of the tephra were supported by JSPS KAKENHI Grant Number 16H06348. This paper is a direct result of a grant from the Catalyst Seeding JSPS - Royal Society of New Zealand Project [CSG-MAU1603/2018-2019]. The review comments by Alison Graettinger and an anonymous referee and the comments by Tamsin Mather, the editor in charge, improved the original manuscript. LA - English DB - MTMT ER - TY - JOUR AU - Smith, IEM. AU - Németh, Károly TI - Source to surface model of monogenetic volcanism: A critical review JF - GEOLOGICAL SOCIETY SPECIAL PUBLICATIONS J2 - GEOL SOC SPEC PUBL VL - 446 PY - 2017 IS - 1 SP - 1 EP - 28 PG - 28 SN - 0305-8719 DO - 10.1144/SP446.14 UR - https://m2.mtmt.hu/api/publication/31194867 ID - 31194867 N1 - Cited By :31 Export Date: 25 February 2020 Correspondence Address: Németh, K.; Volcanic Risk Solutions, Massey UniversityNew Zealand; email: k.nemeth@massey.ac.nz Cited By :57 Export Date: 25 April 2021 Cited By :57 Export Date: 6 May 2021 Cited By :57 Export Date: 25 May 2021 Correspondence Address: Németh, K.; Volcanic Risk Solutions, New Zealand; email: k.nemeth@massey.ac.nz Cited By :57 Export Date: 27 May 2021 Correspondence Address: Németh, K.; Volcanic Risk Solutions, New Zealand; email: k.nemeth@massey.ac.nz LA - English DB - MTMT ER - TY - JOUR AU - Brenna, Marco AU - Németh, Károly AU - Cronin, Shane J AU - Sohn, Young Kwan AU - Smith, Ian E M AU - Wijbrans, Jan TI - Co-located monogenetic eruptions similar to 200 kyr apart driven by tapping vertically separated mantle source regions, Chagwido, Jeju Island, Republic of Korea JF - BULLETIN OF VOLCANOLOGY J2 - B VOLCANOL VL - 77 PY - 2015 IS - 5 PG - 17 SN - 0258-8900 DO - 10.1007/s00445-015-0928-9 UR - https://m2.mtmt.hu/api/publication/25643994 ID - 25643994 N1 - Összes idézések száma a WoS-ban: 0 AB - New eruptions in monogenetic volcanic fields conceptually occur independently of previous ones. In some instances, however, younger volcanic structures and vents may overlap with older edifices. The genetic links between such co-located eruptions remain unclear. We mapped and analysed the stratigraphic relationships between eruptive units on the 400 × 900-m island of Chagwido off the western coast of Jeju Island, a Pleistocene to Holocene intraplate volcanic field. Chagwido consists of an eastern, older tuff ring with a nested scoria cone and a western tuff, scoria and lava flow sequence. The two stratigraphic packages are separated by a prominent paleosol. The East-Chagwido tuff and scoria deposits were eroded and a period of intense weathering and soil development occurred, before a subsequent West-Chagwido tuff ring and scoria cone and lava complex was erupted. The two eruptions were fed by three chemically distinct magmas. The older eastern eruption consists of magma with composition transitional between high-Al alkalic basalt and low-Al alkalic basalt and has stratigraphic characteristics, composition and syn-eruptive trends akin to the neighbouring Dangsanbong tuff cone. This magma type is typical for the transitional stage from high-Al alkalic (pre 500 ka) to low-Al alkalic (post 250 ka) identified for the greater Jeju volcanic system. The East-Chagwido volcanic complex thus formed as the westernmost in a chain of three volcanoes along a fissure system, with a small volcanic remnant island Wado 1 km to the east and the large Dangsanbong tuff cone another 1 km eastward. A new Ar/Ar age of 446 ± 22 ka for Dangsanbong likely characterizes the age of the whole chain. The second, West-Chagwido eruption started with low-Al alkalic basalt forming a phreatomagmatic phase and ended with subalkalic basalt forming a scoria cone and lava flows. The occurrence of subalkalic lavas is known across Jeju to have started only at 250 ka, and thus, the well-developed paleosol represents at least 200 kyr between the two co-located eruptions. The distinctive magma compositions show that each eruption tapped an independent region within the same underlying mantle source. These observations show that contrary to most assumptions of monogenetic volcanism, an already “tapped” source region may become fertile again through mantle convection/migration and eruptions can thus be expected from old vent sites in long-lived volcanic fields. LA - English DB - MTMT ER - TY - JOUR AU - Németh, Károly AU - Kereszturi, G TI - Monogenetic volcanism: personal views and discussion JF - INTERNATIONAL JOURNAL OF EARTH SCIENCES J2 - INT J EARTH SCI VL - 104 PY - 2015 IS - 8 SP - 2131 EP - 2146 PG - 16 SN - 1437-3254 DO - 10.1007/s00531-015-1243-6 UR - https://m2.mtmt.hu/api/publication/25663921 ID - 25663921 N1 - Cited By :114 Export Date: 21 June 2021 CODEN: IJESF Correspondence Address: Németh, K.; Volcanic Risk Solutions, Private Bag 11 222, New Zealand; email: K.Nemeth@massey.ac.nz LA - English DB - MTMT ER - TY - JOUR AU - Tchamabe, Boris Chako AU - Ohba, Takeshi AU - Kereszturi, Gabor AU - Németh, Károly AU - Aka, Festus Tongwa AU - Youmen, Dieudonne AU - Issa, . AU - Miyabuchi, Yasuo AU - Ooki, Seigo AU - Tanyileke, Gregory AU - Hell, Joseph Victor TI - Towards the reconstruction of the shallow plumbing system of the Barombi Mbo Maar (Cameroon) Implications for diatreme growth processes of a polygenetic maar volcano JF - JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH J2 - J VOLCANOL GEOTH RES VL - 301 PY - 2015 SP - 293 EP - 313 PG - 21 SN - 0377-0273 DO - 10.1016/j.jvolgeores.2015.06.004 UR - https://m2.mtmt.hu/api/publication/25688524 ID - 25688524 N1 - Megjegyzés-25243085 Hiányzó Jelleg: 'JOUR\n\nArticle' Admin megjegyzés-25243085 tblcategory: (Category) ('JOUR\n\nArticle') #Jelleg Összes idézések száma a WoS-ban: 0 LA - English DB - MTMT ER - TY - JOUR AU - Kereszturi, G AU - Jordán, Győző AU - Németh, Károly AU - Dóniz-Páez, J F TI - Syn-eruptive morphometric variability of monogenetic scoria cones on Tenerife (Canary Islands) JF - BULLETIN OF VOLCANOLOGY J2 - B VOLCANOL VL - 74 PY - 2012 IS - 9 SP - 2171 EP - 2185 PG - 15 SN - 0258-8900 DO - 10.1007/s00445-012-0658-1 UR - https://m2.mtmt.hu/api/publication/2112719 ID - 2112719 LA - English DB - MTMT ER - TY - CHAP AU - Kereszturi, Gabor AU - Németh, Károly ED - Németh, Károly TI - Monogenetic Basaltic Volcanoes: Genetic Classification, Growth, Geomorphology and Degradation T2 - Updates in Volcanology : New Advances in Understanding Volcanic Systems PB - IntechOpen CY - London SN - 9789535109150 PY - 2012 SP - 3 EP - 89 PG - 87 DO - 10.5772/51387 UR - https://m2.mtmt.hu/api/publication/31985553 ID - 31985553 LA - English DB - MTMT ER - TY - JOUR AU - Németh, Károly AU - Haller, M J AU - Siebe, C TI - Maars and scoria cones: The enigma of monogenetic volcanic fields JF - JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH J2 - J VOLCANOL GEOTH RES VL - 201 PY - 2011 IS - 1-4 SP - v EP - viii SN - 0377-0273 DO - 10.1016/j.jvolgeores.2011.03.001 UR - https://m2.mtmt.hu/api/publication/1506100 ID - 1506100 N1 - WoS:hiba:000289963900001 2019-03-03 22:50 első oldal nem egyezik LA - English DB - MTMT ER - TY - JOUR AU - Kereszturi, G AU - Csillag, Gábor AU - Németh, Károly AU - Sebe, Krisztina AU - Balogh, Kadosa AU - Jáger, Viktor TI - Volcanic architecture, eruption mechanism and landform evolution of a Plio/Pleistocene intracontinental basaltic polycyclic monogenetic volcano from the Bakony-Balaton Highland Volcanic Field, Hungary JF - CENTRAL EUROPEAN JOURNAL OF GEOSCIENCES J2 - CENT EUR J GEOSCI VL - 2 PY - 2010 IS - 3 SP - 362 EP - 384 PG - 23 SN - 2081-9900 DO - 10.2478/v10085-010-0019-2 UR - https://m2.mtmt.hu/api/publication/1384578 ID - 1384578 N1 - P23149 ATKI2010/0028 AB - Bondoró Volcanic Complex (shortly Bondoró) is one of the most complex eruption centre of Bakony-Balaton Highland Volcanic Field, which made up from basaltic pyroclastics sequences, a capping confined lava field (~4 km 2) and an additional scoria cone. Here we document and describe the main evolutional phases of the Bondoró on the basis of facies analysis, drill core descriptions and geomorphic studies and provide a general model for this complex monogenetic volcano. Based on the distinguished 13 individual volcanic facies, we infer that the eruption history of Bondoró contained several stages including initial phreatomagmatic eruptions, Strombolian-type scoria cones forming as well as effusive phases. The existing and newly obtained K-Ar radiometric data have confirmed that the entire formation of the Bondoró volcano finished at about 2.3 Ma ago, and the time of its onset cannot be older than 3.8 Ma. Still K-Ar ages on neighbouring formations (e.g. Kab-hegy, Agár-teto) do not exclude a long-lasting eruptive period with multiple eruptions and potential rejuvenation of volcanic activity in the same place indicating stable melt production beneath this location. The prolonged volcanic activity and the complex volcanic facies architecture of Bondoró suggest that this volcano is a polycyclic volcano, composed of at least two monogenetic volcanoes formed more or less in the same place, each erupted through distinct, but short lived eruption episodes. The total estimated eruption volume, the volcanic facies characteristics and geomorphology also suggests that Bondoró is rather a small-volume polycyclic basaltic volcano than a polygenetic one and can be interpreted as a nested monogenetic volcanic complex with multiple eruption episodes. It seems that Bondoró is rather a "rule" than an "exception" in regard of its polycyclic nature not only among the volcanoes of the Bakony-Balaton Highland Volcanic Field but also in the Neogene basaltic volcanoes of the Pannonian Basin. LA - English DB - MTMT ER -