Symposium 1
MAARS AND THEIR TEPHRA DEPOSITS
Oral Presentations
A. Belousov; M. Belousova
MAARS OF KAMCHATKA (RUSSIAN FAR EAST): THE FIRST DATA .......... 42
G.A. Valentine
SHALLOW CRUSTAL XENOLITHS IN CONTINENTAL BASALTS AND
IMPLICATIONS FOR MAGMA ASCENT DYNAMICS ......................... 98
G. Gençalioglu-Kuşcu; N. Şatvan; C. Atilla
AN EXAMPLE TO QUATERNARY MAAR VOLCANISM IN CAPPADOCIAN
VOLCANIC PROVINCE: CORA MAAR, CENTRAL ANATOLIA, TURKEY ......... 59
G. Carrasco-Núñez; M. Ort; P. Dávila; R. Puente;
A. Ortega-Guerrero
EVOLUTION OF MAAR VOLCANOES IN CENTRAL MÉXICO .................. 48
Poster Presentations
U. Martin; K. Németh
QUATERNARY PHREATOMAGMATIC VOLCANOES OF SOUTHERN TENERIFE,
SPAIN: MONTAÑA PELADA TUFF RING AND CALDERA DEL REY MAAR ....... 74
W.H. Geissler, H. Kämpf; P. Bankwitz; E. Bankwitz
THE QUATERNARY TEPHRA-TUFF DEPOSIT OF MÝTINA (SOUTHERN RIM OF
THE WESTERN EGER GRABEN/CZECH REPUBLIC): INDICATIONS FOR
ERUPTION AND DEFORMATION PROCESSES ............................. 58
W.H. Geissler; H. Kämpf; R. Kind; W. Seifert
SEISMIC AND PETROLOGICAL STUDIES OF THE CRUST AND UPPERMOST
MANTLE BENEATH THE EARTHQUAKE SWARM REGION VOGTLAND/NW
BOHEMIA ........................................................ 58
U. Grunewald; G. Büchel
FORMATION OF COLLAPSE STRUCTURES DURING PHREATOMAGMATIC
ERUPTIONS: A FIELD STUDY FROM A COMPLEX MAAR VOLCANO IN THE
WEST EIFEL VOLCANIC FIELD, GERMANY ............................. 61
T.T. Newkirk; M.H. Ort
ANISOTROPY OF MAGNETIC SUSCEPTIBILITY AND SEDIMENTARY FABRIC
STUDIES OF PHREATOMAGMATIC SURGE DEPOSITS, HOPI BUTTES,
NAVAJO NE ARIZONA .............................................. 80
C. Rolf; T. Nitzsche; H. de Wall
ACCRETION TEMPERATURES OF THEPHRA DEPOSITS OF THE MESSEL
STRUCTURE DERIVED FROM ROCKMAGNETIC INVESTIGATIONS ............. 84
T. Scolamacchia; J.L. Macias
DILUTED PYROCLASTIC DENSITY CURRENTS PRODUCED DURING THE 1982
ERUPTION OF EL CHICHÓN VOLCANO, CHIAPAS, MÉXICO: TRANSPORT
AND DEPOSITIONAL PROCESSES ..................................... 90
M. Sumita; H.-U. Schmincke; N. Miyaji; K. Endo
COCK'S TAIL JETS AND THEIR DEPOSITS ............................ 94
U. Martin; K. Németh
ERUPTIVE MECHANISM OF PHREATOMAGMATIC VOLCANOES FROM THE
PINACATE VOLCANIC FIELD: COMPARISON BETWEEN CRATER ELEGANTE
AND CERRO COLORADO, MÉXICO ..................................... 75
Y. Weinstein
THE PHREATIC DEPOSITS OF THE STROMBOLIAN-HYDROVOLCANIC
STRUCTURE OF MT AVITAL, GOLAN HEIGHTS ......................... 101
A.Y. Rotman; J. Ganga; N.N. Zintchouk; S.F. Nosyko;
S.V. Somov; S.D. Cherny; V.I. Vuiko; J. Shimupi;
Y.B. Stegnitsky
HETEROGENEOUS COMPLEX OF ROCKS IN KIMBERLITE OCCURRENCES'
CRATERS OF NORTH-EAST OF ANGOLA ................................ 85
A. Auer; U. Martin; K. Németh
THE FEKETE-HEGY VOLCANIC COMPLEX - NESTED MAARS IN THE CENTRE
OF THE BAKONY - BALATON HIGHLAND VOLCANIC FIELD ................ 41
Symposium 2
DIATREMES AND THEIR ROOT ZONES
Oral Presentations of Symposium 2
B. Zimanowski
THE MAAR ENGINE - A REVIEW .................................... 106
B.A. Kjarsgaard
MAGMATIC VERSUS PHREATOMAGMATIC ERUPTION OF KIMBERLITE MAGMA
IN THE UPPER CRUST AND AT SURFACE .............................. 65
S. Planke; H. Svensen; A. Malthe-Sørenssen; S.S. Rey;
B. Jamtveit
RELEASE OF GREENHOUSE GASES IN HYDROTHERMAL VENT COMPLEXES
CAUSING GLOBAL WARMING ......................................... 83
S. Kurszlaukis; V. Lorenz
ROOT ZONE PROCESSES IN MAAR-DIATREME VOLCANOES ................. 69
H. Svensen; B. Jamtveit; S. Planke
FORMATION AND EVOLUTION OF HYDROTHERMAL PIERCEMENT STRUCTURES
IN VOLCANIC BASINS: CONSTRAINTS FROM THE KAROO BASIN IN SOUTH
AFRICA ......................................................... 95
C.M. Hetman; B.H. Scott Smith; J.P. Paul
GEOLOGY OF THE HEARNE KIMBERLITE PIPE, NORTHWEST TERRITORIES,
CANADA: MAGMATIC KIMBERLITE EMPLACEMENT ........................ 63
V. Konečnẏ; J. Lexa
MAARS AND DIATREMES OF THE SOUTHERN SLOVAKIA ALKALI BASALT
VOLCANIC FIELD ................................................. 66
M.H. Ort; G. Carrasco-Nuṅez
VENT ALIGNMENTS AT MAAR VOLCANOES .............................. 82
J.D.L. White; P-S. Ross; M. McClintock; O. Reubi; S. Hood
Hills; G. Lockett
PYROCLASTIC PRECURSORS TO FLOOD-BASALT ERUPTIONS, COOMBS
AND ALLAN HILLS, TRANSANTARCTIC MOUNTAINS, ANTARCTICA ......... 102
Poster Presentations of Symposium 2
I. Suiting; H.-U. Schmincke
THE SUBMARINE "COSTA GIARDINI" DIATREME (MONTI IBLEI,
SICILY) ........................................................ 93
Symposium 3
STRUCTURAL CONTROL ON PIPE EMPLACEMENT AND ECONOMY
GEOLOGY OF MAAR-DIATREME VOLCANOES AND THEIR ROOT ZONES
Oral Presentations of Symposium 3
O. Navon; N.G. Lensky; V. Lyakhovsky
VOLATILE DEGASSING, DIKE INITIATION AND PROPAGATION AND
XENOLITH ENTRAPMENT BY ALKALINE MAGMAS ......................... 79
W.P. Barnett; L. Lorig; M. Watkeys
A MODEL FOR STRESS CONTROLLED PIPE GROWTH ...................... 42
C. Szentesy; A. Minut; L. Nadasan; S. Leary
EPITHERMAL GOLD MINERALISATION HOSTED IN MAAR-DIATREME
COMPEXES, APUSENI MOUNTAINS, ROMANIA ........................... 96
T.T. Newkirk; M.H. Ort
PRELIMINARY FACIES STUDIES AT THE MERALE URANIUM PROSPECT,
MIO-PLIOCENE HOPI BUTTES VOLCANIC FIELD, NAVAJO NATION NE
ARIZONA: IMPLICATIONS FOR VOLCANIC PROCESSES, VOLCANIC
PALAEOENVIRONMENTS, AND MINERAL EXPLORATION .................... 81
Poster Presentations of Symposium 3
V. Cajz; J. Adamovic
TECTONIC CONTROLS ON LOCATION OF PHREATOMAGMATIC PHENOMENA,
EASTERN EGER RIFT, NORTH BOHEMIA ............................... 47
C. Szentesy; G.V. O'Connor; A. Minut; C.R. Nash
THE STRUCTURAL SETTING OF THE ROSIA MONTANA MAAR-DIATREME
COMPEX, ALBA, ROMANIA .......................................... 96
W.J.W. Williams; M.G. Abdel-Salam; C.L.V. Aiken; X. Xu;
S.F. Meigs, Jr.
PLEISTOCENE POTRILLO VOLCANIC FIELD, SOUTHERN RIO GRANDE
RIFT, U.S.A. AND MÉXICO: REMOTE SENSING, CYBERMAP
VISUALIZATIONS AND MORPHOMETRIC EVALUATION .................... 104
H. Corbella
STRUCTURAL CONTROL OF THE PALI-AIKE LAVAS AND MAARS -
PATAGONIA ...................................................... 49
A.Y. Rotman; J. Ganga; N.N. Zintchouk; S.F. Nosyko;
S.V. Somov; S.D. Cherny; V.I. Vuiko; J. Shimupi
DIAMOND PLACERS IN DIATREME CRATERS OF NEAR-EQUATORIAL
AFRICA (ANGOLA) ................................................ 86
L.P. Boyer; T.E. McCandless; R.M. Tosdal
INTRA AND EXTRA-CRATER KIMBERLITE TEPHRA DEPOSITS OF BUFFALO
HEAD HILLS, ALBERTA CANADA ..................................... 44
D. Vass
ECONOMIC MINERALS OF MAAR LAKES SEDIMENTARY FILL, SOUTHERN
SLOVAKIA ....................................................... 99
Symposium 4
DYKES, SILLS, PLUGS, DOMES, SCORIA CONES, LAVA LAKES AND
ASSOCIATED PEPERITES IN MAAR-DIATREME VOLCANOES
Oral Presentations of Symposium 4
C.M. White; B.D. Brand
MAGMATIC AND PHREATOMAGMATIC DEPOSITS AT SINKER BUTTE,
A LARGE PLEISTOCENE VOLCANO IN THE WESTERN SNAKE RIVER PLAIN,
IDAHO, USA .................................................... 101
U. Martin; K. Németh
SHALLOW SUBSURFACE SILL AND DYKE SYSTEMS ASSOCIATED WITH AN
ALKALINE BASALTIC INTRACONTINENTAL VOLCANIC FIELD, WESTERN
PANNONIAN BASIN ................................................ 74
N.A. Van Wagoner; R.W.D. Lodge; K.A. Dadd
CONTROLS ON MAAR VOLCANISM: EVIDENCE FROM SILLS AND DYKES
OF THE SILURIAN EASTPORT FORMATION, MAINE, USA ................. 99
K. Balogh; V. Konečnỳ; D. Vass; J. Lexa; K. Németh
METHODICAL RESULTS OF K/Ar DATING OF POST-SARMATIAN ALKALI
BASALTS IN THE CARPATHIAN BASIN ................................ 41
U. Martin; K. Németh
MAGMA/WET SEDIMENT INTERACTION IN CRATER LAKES AND VENT ZONES
OF MONOGENETIC VOLCANOES IN MIO/PLIOCENE VOLCANIC FIELDS OF
WESTERN HUNGARY ................................................ 73
I.P. Skilling
MECHANISMS OF FORMATION OF CORED ASH-LAPILLI AND ELONGATE
FLUIDAL ASH-LAPILLI DURING HYDRODYNAMIC MINGLING WITH
SEDIMENT ....................................................... 91
V. Konečnỳ; J. Lexa
A COMPLEX EVOLUTION OF THE BULHARY MAAR, SOUTHERN SLOVAKIA ..... 67
Poster Presentations of Symposium 4
J. Wijbrans; K. Németh; U. Martin; K. Balogh
40ar/39ar GEOCHRONOLOGY OF A MIO/PLIOCENE PHREATOMAGMATIC
VOLCANIC FIELD IN THE WESTERN PANNONIAN BASIN, HUNGARY ........ 103
K. Birkenmajer; Z. Pécskay; M.W. Lorenc; P.P. Zagożdżon
RECENT GEOCHRONOLOGICAL AND GEOCHEMICAL STUDY OF ALKALI
BASALTIC ROCKS IN LOWER SILESIA, POLAN ......................... 43
K. Birkenmajer; M.W. Lorenc; Z. Pécskay; P.P. Zagożdżon
SPATIAL DISTRIBUTION AND PETROGRAPHIC DIFFERENTIATION OF
BASALTIC ROCKS IN LOWER SILESIA, POLAND ........................ 43
K. Gméling; K. Németh; U. Martin; N. Eby
BORON CONCENTRATION IN DIFFERENT MAAR-DIATREME VOLCANIC
ENVIRONMENTS ................................................... 59
I. Seghedi; A. Szakács; A. H. Pacheco; J-L. B. Matesanz
MIOCENE ULTRAPOTASSIC VOLCANOES IN SOUTH-EASTERN SPAIN - AN
ASSOCIATION OF PHREATOMAGMATIC AND MAGMATIC PRODUCTS ........... 90
U. Martin; K. Németh
GROWTH OF SCORIA CONES FROM THE WESTERN TRANSMEXICAN VOLCANIC
BELT, NEAR VOLCÁN CEBORUCO, MÉXICO ............................. 75
A.Y. Rotman
PHANEROZOIC VOLCANIC ASSOCIATIONS OF THE SIBERIAN PLATFORM'S
EAST ........................................................... 86
W.J.W. Williams; E.Y. Anthony; J. Poths; W.C. McIntosh;
T.B. Housh
PLEISTOCENE POTRILLO VOLCANIC FIELD, SOUTHERN RIO GRANDE
RIFT, U.S.A. AND MÉXICO: SPATIAL AND GEOCHEMICAL
DISTRIBUTIONS THROUGH TIME .................................... 104
Symposium 5
GEOPHYSICS OF MAARS AND DIATREMES
Oral Presentations of Symposium 5
H. Buness; H. Wiederhold
DETAILED IMAGING OF MAAR-DIATREME STRUCTURES BY REFLECTION
SEISMIC SURVEYS ................................................ 46
H. de Wall; T. Nitzsche; C. Rolf; T. Wonik
MAGNETIC SUSCEPTIBILITY LOGGING IN MAAR-DIATREM VOLCANOES-
WHAT IS IT GOOD FOR? ........................................... 50
G. Gabriel; R. Pucher; W. Jacoby; H. Wallner
INTERPRETATION OF THE POTENTIAL FIELD ANOMALIES ABOVE THE
MAARS OF BARUTH (SAXONY/GERMANY) AND MESSEL PIT (HESSE/
GERMANY) ....................................................... 57
C.A. Locke; S.J. France; J. Cassidy
CONTRASTING GEOPHYSICAL CHARACTERISTICS OF MAAR VOLCANOES
IN THE AUCKLAND VOLCANIC FIELD, NEW ZEALAND .................... 71
T. Nitzsche; C. Rolf; H. de Wall
ORIGIN OF MAGNETIC ANOMALIES IN VOLCANI CLASTIC UNITS OF THE
MESSEL MAAR-DIATREME (GERMANY) ................................. 81
R. Schulz; H. Buness; G. Gabriel; R. Pucher; C. Rolf; H.
Wiederhold; T. Wonik
DETAILED INVESTIGATION OF PRESERVED MAAR STRUCTURES BY
COMBINED GEOPHYSICAL SURVEYS ................................... 89
Poster Presentations of Symposium 5
J. Cassidy; C.A. Locke, S.J. France
THE AUCKLAND VOLCANIC FIELD, NEW ZEALAND: INSIGHTS FROM
AEROMAGNETIC DATA .............................................. 48
G. Gabriel; H. Wiederhold; T. Wonik; J. Rohrmüller;
E. Geiss
GEOPHYSICAL INVESTIGATIONS OF A TERTIARY MAAR NEAR BAYERHOF
(BAVARIA/GERMANY) .............................................. 57
G. Büchel; G. Hesse
HYDROGEOLOGICAL POTENTIAL OF MAAR VOLCANOES DERIVED FROM THE
GEES MAAR, WEST EIFEL VOLCANIC FIELD, GERMANY .................. 45
S. Senitz; G. Hesse; M. Pirrung; G. Büchel
PROSPECTION OF THE PRODUCTIVE GROUNDWATER POTENTIAL OF MAAR
VOLCONOES AND SCORIA CONES IN THE WESTEIFEL VOLCANIC FIELD
(GERMANY) WITH GRAVITY AND GEOMAGNETIC SURVEY .................. 91
A. Goepel; S. Senitz M. Pirrung; G. Büchel
GEOPHYSICAL, GEOMORPHOLOGICAL, AND LITHOLOGICAL IMPLICATIONS
FOR A SPECIAL TYPE OF PHREATOMAGMATIC VOLCANOES ................ 60
P. Kubeš; V. Konečný; V. Syčev; J. Zuberec
GEOLOGICAL-GEOPHYSICAL EXPLORATION OF MAAR STRUCTURES IN
SLOVAKIA ....................................................... 68
H. Lindner; R. Käppler; C. Pretzschner; P. Suhr
GEOPHYSICAL EXPLORATION OF MAAR LOCALITIES IN UPPER LUSATIA,
GERMANY ........................................................ 70
T. Lipovics; A. Csontos; L. Lenkey
PRELIMINARY RESULTS OF GEOPHYSICAL STUDIES OVER THE TIHANY
VOLCANO AT THE TIHANY PENINSULA, HUNGARY ....................... 70
B. Zec; V. Syčev
GEOLOGICAL AND GEOPHYSICAL EVIDENCES OF VOLCANIC PRODUCTS OF
THE KOSICKÝ KLECENOV TUFF CONE, SLANSKE VRCHY MTS, SLOVAKIA ... 105
P. Schulze; P. Suhr
DISCUSSION OF THE DIATREM UNDER THE MAAR OF KLEINSAUBERNITZ
IN EAST-SAXONY BY GRAVIMETRICAL CALCULATIONS ................... 89
Symposium 6
PHYSICS OF MAAR-DIATREME VOLCANISM
Oral Presentations of Symposium 6
L.G. Mastin
THE HYDRODYNAMICS OF MAGMA-WATER MIXING AND ITS EFFECT ON
FRAGMENTATION AND ERUPTIVE VIOLENCE ............................ 76
G.G.J. Ernst; A.J. Durant; W.I. Rose; S. Self
ACCRETIONARY LAPILLI AND WATER-RICH ERUPTION COLUMNS: NEW
DATA AND INSIGHTS .............................................. 51
J. Adamovič; K. Malý; J. Zachariáš
SECONDARY QUARTZ CEMENTATION AROUND PHREATOMAGMATIC
STRUCTURES, BOHEMIAN CRETACEOUS BASIN, CZECH REPUBLIC .......... 40
Poster Presentations of Symposium 6
G.G.J. Ernst; L. Sanz; G.P.L. Walker
DISPERSAL DYNAMICS FROM PHREATO-SUBPLINIAN ERUPTIONS: THE
1937 VULCAN ERUPTION, RABAUL CALDERA, PAPUA NEW GUINEA ......... 51
J. Lexa
BASALT/SEDIMENT MINGLING IN THE ROOT ZONE OF THE SHIPROCK
DIATREME, ARIZONA .............................................. 69
Symposium 7
MAAR CRATER LAKE LIMNOLOGY AND MAAR CRATER SEDIMENTS
Oral Presentations of Symposium 7
S.O. Franz; J. Thein; T. Bottin; D. Hrissanthou; J.-F. Wagner
ENVIRONMENTAL AND DEPOSITIONAL HISTORY OF LATE OLIGOCENE
MAAR LAKE ENSPEL (WESTERWALD, GERMANY) VIA GEOCHEMICAL AND
MINERALOGICAL SEDIMENT ANALYSIS ................................ 56
K. Goth; U. Martin; P. Suhr; K. Németh; G. Csillag
CRATER LAKE SEDIMENTS IN THE PLIOCENE PULA MAAR (WESTERN
HUNGARY) ....................................................... 60
P. Suhr; V. Lorenz; K. Goth
SUBSIDENCE WITHIN AND ABOVE MAAR-DIATREME VOLCANOES ............ 94
H. Lutz
A DYNAMIC MODEL FOR THE MEROMICTIC ECKFELD MAAR LAKE (MIDDLE
EOCENE, GERMANY) BASED ON BIOSTRATINOMICAL AND
SEDIMENTOLOGICAL DATA .......................................... 72
I. Rupf, K. Goth; H. Schaeben; G. Radons
TIME-SERIES ANALYSIS OF THE OLIGOCENE BARUTH MAAR LAMINITES
(EASTERN GERMANY) - FIRST RESULTS .............................. 87
D. Vass; N. Ogujanova-Rumenova, V. Konečný
SEDIMENTOLOGY AND PALAEOECOLOGY OF SOUTHERN SLOVAKIAN BASALT
MAAR LAKES .................................................... 100
Poster Presentations of Symposium 7
G. Gruber; P. Schäfer
OSTRACODS OF THE EOCENE MAAR LAKES ECKFELD AND GRUBE MESSEL-
PALAEONTOLOGICAL IMPLICATIONS .................................. 61
G, Csillag; K. Németh; U. Martin; K. Goth; P. Suhr
3D ARCHITECTURE OF A PLIOCENE MAAR VOLCANO ON THE BASIS OF
DRILL CORE DATA AND ITS IMPLICATION FOR THE SYN-VOLCANIC
GEOMORPHOLOGY, PULA MAAR, WESTERN PANNONIAN BASIN .............. 50
M. Felder; R. Gaupp
δ13C- AND δ18-VALUES OF SIDERITE - A TOOL FOR THE
RECONSTRUCTION OF MIXIS IN ANCIENT LAKES ....................... 52
M. Felder; F.-J. Harms
LAKE MESSEL: THE IMPRINT OF THE BASIN ORIGIN ON THE
SEDIMENTARY AND FOSSIL RECORD .................................. 54
M. Felder; R. Gaupp; M. Wuttke
SIDERITIC BIOLAMINATES IN THE OIL SHALE OF PALAEOGENE MAAR
LAKES .......................................................... 53
P. Suhr; K. Goth
EVENT SEDIMENTATION IN THE BARUTH MAAR LAKE .................... 93
M. Fey; H. Corbella; T. Haberzettl; S. Janssen; A. Lücke;
N.I. Maidana; C. Mayr; C. Ohlendorf; F. Schäbitz;
G.-H. Schleser; M. Wille; B. Zolitschka
EXTRA-ANDEAN CRATER LAKES FROM SOUTHERN PATAGONIA,
ARGENTINA - ACTUO-LIMNOLOGY AND PALAEOCLIMATE
RECONSTRUCTION ................................................. 54
A. Pászti; Z. Szűcs
FISH REMAINS FROM A PLIOCENE MAAR LAKE (PULA, HUNGARY); AND
THEIR CONSERVATION METHODS ..................................... 82
M. Pirrung; G. Büchel; D. Merten
MAAR LAKE SEDIMENTS IN JAVA - A TROPICAL CLIMATE ARCHIVE? ...... 83
I. Rupf; K. Goth; H. Schaeben; G. Radons
TIME-FREQUENCY PATTERNS OF THE OLIGOCENE BARUTH MAAR
LAMINITES (EASTERN GERMANY) .................................... 88
M. Sabol; D. Vass; V. Konečný; N. Hudáčková-Hlavatá;
M. Slamková; I. Túnyi; K. Balogh
RECONSTRUCTION OF THE PALAEOENVIRONMENTAL EVOLUTION OF THE
BONE GORGE MAAR NEAR HAJNÁČKA (SOUTHERN SLOVAKIA) .............. 88
J. Vegas; A. Pérez-González; A. Garcнa-Cortés; L. Galán
de Frutos; J.L. Gallardo-Millán
THE FUENTILLEJO MAAR LACUSTRINE RECORD (CAMPO DE CALATRAVA
VOLCANIC FIELD). PRELIMINARY SCIENTIFIC ACTIVITIES FOR THE
PALAEOCLIMATIC RECONSTRUCTION OF THE QUATERNARY IN CENTRAL
SPAIN ......................................................... 100
T.M. Kaiser; G. Arratia; V. Bullwinkel; G.F. Gunnel;
B.F. Jacobs; J. Mingram; C. Msuya; E. Schulz; V. Wilde
THE MAAR LAKE OF MAHENGE (TANZANIA) - SINGLE EVIDENCE OF
EOCENE TERRESTRIAL ENVIRONMENTS IN SUB-SAHARAN AFRICA .......... 64
Symposium 8
SURTSEYAN VOLCANISM
Oral Presentations of Symposium
A. Fulop; M. Kovacs
SUBMARINE VOLCANISM IN OAS-GUTAI MTS., EASTERN CARPATHIANS,
ROMANIA ........................................................ 55
H.B. Mattsson; Á. Höskuldsson; S. Hand
CRUSTAL XENOLITHS IN THE 6220 BP SØFELL TUFF-CONE, SOUTH
ICELAND: EVIDENCE FOR AN UNUSUALLY DEEP, DIATREME-FORMING,
SURTSEYAN ERUPTION ............................................. 77
M. McClintock
EVOLUTION OF THE STERKSPRUIT COMPLEX, SOUTH AFRICA:
A COMPOSITE MAAR CRATER-COMPLEX DEVELOPED DURING LIP
VOLCANISM ...................................................... 78
Poster Presentations of Symposium 8
T. Budai; K. Németh; U. Martin; O. Piros
SUBAQUEOUS VOLCANICLASTIC SUCCESSIONS IN THE MIDDLE TRIASSIC
OF WESTERN HUNGARY ............................................. 46
H. Solgevik; H.B. Mattsson; O. Hermelin
EVOLUTION OF AN EMERGENT TUFF-CONE: A DEPOSITIONAL STUDY OF
THE CAPELAS TUFF-CONE, SAO MIGUEL, AZORES ...................... 92
S. Bretschneider; C. Breitkreuz; K. Németh; H.-G. Wilke
VOLCANO-SEDIMENTARY SUCCESSION ASSOCIATED WITH A LOW-LYING
INTRA ARC VOLCANIC SYSTEM IN THE NORTH CHILEAN JURASSIC
LARGE IGNEOUS PROVINCE: THE CERRO BLANCO COMPLEX , TALTAL ...... 45
M. Karthe
TRANSITION FROM PHREATOMAGMATIC TO HAWAIIAN ERUPTIONS WITH
EVIDENCE FOR WATER LEVEL - A CASE STUDY ON THE SÁG HILL,
HUNGARY ........................................................ 65
Symposium 9
HAZARDS, ENVIRONMENTAL ISSUES, NATURE PROTECTION, AND
GEOPARKS OF MAAR-DIATREME-VOLCANOES
Oral Presentations of Symposium 9
V. Lorenz
SYNERUPTIVE AND POSTERUPTIVE HAZARDS OF MAAR-DIATREME
VOLCANOES ...................................................... 71
L.S. Teng
POTENTIAL THREAT OF LAHAR-INDUCED CATASTROPHIC FLOODING TO
THE TAIPEI METRPOLIS, NORTHERN TAIWAN .......................... 98
K. Moreaux; J-P. Henriet; G.G.J. Ernst; W. Versteeg;
P. Staelens; T. Missiaen; R. Swennen; P. Lavina
LANDSLIDE HAZARD IN MAAR AND CALDERA LAKES ..................... 78
B. Korbély; G. Csillag
PROPOSED PROTECTION AND CONSERVATION STRATEGIES OF
VOLCANOLOGICAL FEATURES IN A MONOGENETIC VOLCANIC FIELD IN
THE WESTERN PANNONIAN BASIN: A PERSPECTIVE OF BALATON UPLANDS
NATIONAL PARK, HUNGARY ......................................... 68
M. Felder
THE ONTOGENY OF THE MESSEL MAAR-A TOPIC OF INTEREST FOR
GEOTOURISM AND RECENT RESEARCH ................................. 52
W.J.W. Williams; R.I. Brame; C.S. Jacobs
MEETING THE LEARNING NEEDS OF A MORE DIVERSE POPULATION:
APPLYING UNIVERSAL DESIGN TO VOLCANOLOGY, PETROLOGY AND
HAZARDS EDUCATION ............................................. 103
K. Németh; U. Martin
PEDAGOGICAL AND DIDACTICAL METHODS IN THE GEOPARK CONCEPT IN
THE DEMONSTRATION OF VOLCANIC PROCESSES ASSOCIATED WITH
MONOGENETIC VOLCANIC FIELDS IN HUNGARY: THE MONTESSORI METHOD
AS A VIABLE ALTERNATIVE ........................................ 80
Poster Presentations of Symposium 9
G.T. Mafany; G.G.J. Ernst; C.E. Suh; S.N. Ayonghe
STUDYING TUFF RINGS AND VOLCANIC HAZARDS IN A TROPICAL
SETTING: THE CASE OF THE BATOKE TUFF RING, LIMBE REGION, SW
CAMEROON ....................................................... 72
H. Mirabueno
THE SAN PABLO MAARS IN SOUTHERN LUZON, PHILIPPINES ............. 78
G. Csillag; B. Korbély; K. Németh
VOLCANOLOGICAL SITES OF BALATON UPLANDS NATIONAL PARK AS KEY
POINTS FOR A PROPOSED GEOPARK IN WESTERN HUNGARY ............... 49
L. Gaál; K. Gaálová; J. Ganovský; V. Konečný
NATURE PROTECTION AND TOURISM PROPAGATION IN THE CEROVÁ
VRCHOVINA HIGHLAND ............................................. 56
M. Rojas; M. Fort
THE JOYA HONDA MAAR, SAN LUIS POTOSI, MÉXICO: INTEGRATION OF
A GIS FOR ITS PROPOSAL AS GEOSITE .............................. 84
B. Zec; M. Stercz; K. Zecova; E. Kaliciakova
GEOSITES, NATURE PROTECTION, GEOTURISM AND GEOLOGICAL -
EDUCATIONAL MAP OF THE VIHORLATSKE VRCHY MTS, SLOVAKIA ........ 106
Sz. Harangi; R. Lukács
THE KEMENES VOLCANO PARK IN WESTERN HUNGARY - A PROPOSAL ....... 62
Symposium 10
VOLCANIC FIELDS - POLYGENETIC VOLCANOES
Oral Presentations of Symposium 10
A.R. McBirney
TEMPORAL AND SPATIAL RELATIONS OF THE FORMATION OF
MONOGENETIC EXPLOSIVE VENTS IN CONE FIELDS ..................... 77
E. Cañón-Tapia; G.P.L. Walker
MONOGENETIC AND POLYGENETIC ACTIVITY AS TWO END MEMBERS OF
ONE GENERAL MODEL: TOWARDS A QUANTITATIVE FORMULATION OF A
VOLCANIC SYSTEM ................................................ 47
M.J. Haller
TECTONIC CONTROL AND RAPID ASCENT OF PATAGONIAN LAVAS .......... 62
A. Szakács; K. Balogh; Z. Pécskay; I. Seghedi
NEOGENE-QUATERNARY TIME-SPACE DISTRIBUTION PATTERNS OF
MONOGENETIC MAFIC ALKALINE VOLCANISM IN THE CAR PATH IAN-
PANNONIAN REGION. IMPLICATIONS FOR MANTLE PROCESSES ............ 95
J. Taddeucci; C. Freda; F. Marra; P. Scarlato; M Gaeta;
D.M. Palladino; D. Kamer; P. Renne
GEOCHRONOLOGY AND HYDROMAGMATISM AT THE ALBAN HILLS, ITALY:
THE MAARS THAT DID NOT WANT TO BE DATED ........................ 97
B. Zec, M. Kaliciak
A CHARACTER AND DISTRIBUTION OF THE ARC-TYPE BASALTIC
ANDESITE TO ANDESITE VOLCANISM IN THE EAST SLOVAKIAN NEOGENE
VOLCANIC REGION, SLOVAKIA ..................................... 105
Poster Presentations ol Symposium 10
N.R. Bondre; W.K. Hart
NATURE AND CAUSES OF COMPOSITIONAL VARIATIONS WITHIN
INDIVIDUAL MONOGENETIC VOLCANOES: INSIGHTS FROM THE
COFFEEPOT CRATER, JORDAN VALLEY VOLCANIC FIELD, OREGON ......... 44
R. Jrbashyan
THE LATE-COLLISION BASALTIC VOLCANISM IN THE NORTHEASTERN
PART OF THE ARMENIAN HIGHLAND .................................. 64
V. Konečný; K. Balogh; D. Vass; J. Lexa
EVOLUTION OF VOLCANIC ACTIVITY IN THE SOUTHERN SLOVAKIA
ALKALI BASALT VOLCANIC FIELD ................................... 67
I. Soós, A.P. Vinkler; A. Szakács
SEARCHING FOR MAAR STRUCTURES IN THE PERSANI MTS, EAST
CARPATHIANS, ROMANIA ........................................... 92
J.R. Wijbrans; C.G. Langereis
BASALT CHRONOSTRATIGRAPHY OF NE ICELAND: IMPLICATIONS FOR
THE GEOMAGNETIC POLARITY TIME SCALE ........................... 102
K. Hidas; Gy. Falus; Cs. Szabó
ANOMALOUS MANTLE STRUCTURES BENEATH THE BAKONY - BALATON
HIGHLAND VOLCANIC FIELD: REVEALED FROM XENOLITHS IN MAAR
DEPOSITS ....................................................... 63
U. Martin; K. Németh
SEDIMENTARY INTERACTION BETWEEN PYROCLASTIC FLOW DEPOSITS OF
THE PORIS MEMBER FROM THE LAS CAÑADAS AND MONOGENETIC
VOLCANIC FIELDS IN A BEACH SETTING NEAR MONTAÑA ROJA SCORIA
CONE, TENERIFE SUR, SPAIN ...................................... 73
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