Eruption style and petrology of a new carbonatitic suite from the Mt. Vulture Southern Italy/: The Monticchio Lakes Formation

Stoppa, Francesco; Principe, Claudia

doi:10.1016/s0377-0273(97)00004-8

Cited by 59 publications

(63 citation statements)

References 22 publications

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“…Previous, studies of CVF volcanoes considered that the hydrovolcanism is a necessary and sufficient condition to explain the CVF volcanological features, and, as a corollary that the carbonate present in the pyroclastic rocks is remobilised limestones (e.g., López-Ruiz et al, 2002). We propose an alternative hypotheses based on CO 2 violent exolution and expansion germane to diatremic propagation of ultra-alkaline melts towards the surface and to dry-magmatic origin of the maars (Mattsson & Tripoli, 2011;Stoppa, 1996;Stoppa & Principe, 1998).…”

Section: Introductionmentioning

confidence: 82%

Hydrovolcanic vs Magmatic Processes in Forming Maars and Associated Pyroclasts: The Calatrava -Spain- Case History

Stoppa¹,

Rosatelli²,

Schiazza³

et al. 2012

Updates in Volcanology - A Comprehensive Approach to Volcanological Problems

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Section: Introductionmentioning

confidence: 82%

Hydrovolcanic vs Magmatic Processes in Forming Maars and Associated Pyroclasts: The Calatrava -Spain- Case History

Stoppa¹,

Rosatelli²,

Schiazza³

et al. 2012

Updates in Volcanology - A Comprehensive Approach to Volcanological Problems

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“…1). The lake is the largest of two adjacent maar lakes within a caldera on the western slope of Monte Vulture, a Quaternary volcano in the Roman Co-magmatic Province, and was formed at 132 ± 12 ka during the final phreatomagmatic eruptions of Monte Vulture (Brocchini et al, 1994;Stoppa and Principe, 1998). The lake surface area is 0.4 km 2 and the catchment covers 2.37 km 2 , which is mainly composed of K-alkaline phonotephrites and tephrifoidites (Hieke Merlin, 1967).…”

Section: Regional Settingmentioning

confidence: 99%

Annual proxy data from Lago Grande di Monticchio (southern Italy) between 76 and 112 ka: new chronological constraints and insights on abrupt climatic oscillations

et al. 2014

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Abstract. We present new annual sedimentological proxies and sub-annual element scanner data from the Lago Grande di Monticchio (MON) sediment record for the sequence 76-112 thousand years before present (ka). They are combined with the previously published decadal to centennial resolved pollen assemblage in order to provide a comprehensive reconstruction of six major abrupt stadial spells (MON 1-6) in the central Mediterranean during the early phase of the last glaciation. These climatic oscillations are defined by intervals of thicker varves and high Ti-counts and coincide with episodes of forest depletion interpreted as Mediterranean stadial conditions (cold winter/dry summer). Our chronology, labelled as MON-2014, has been updated for the study interval by tephrochronology and repeated and more precise varve counts and is independent from ice-core and speleothem chronologies. The high-resolution Monticchio data then have been compared in detail with the Greenland ice-core δ 18 O record (NorthGRIP) and the northern Alps speleothem δ 18 O calcite data (NALPS). Based on visual inspection of major changes in the proxy data, MON 2-6 are suggested to correlate with Greenland stadials (GS) 25-20. MON 1 (Woillard event), the first and shortest cooling spell in the Mediterranean after a long phase of stable interglacial conditions, has no counterpart in the Greenland ice core, but coincides with the lowest isotope values at the end of the gradual decrease in δ 18 O ice in NorthGRIP during the second half of the Greenland interstadial (GI) 25. MON 3 is the least pronounced cold spell and shows gradual transitions, whereas its NorthGRIP counterpart GS 24 is characterized by sharp changes in the isotope records. MON 2 and MON 4 are the longest and most pronounced oscillations in the MON sediments in good agreement with their counterparts identified in the ice and spelethem records. The length of MON 4 (correlating with GS 22) supports the duration of stadial proposed by the NALPS timescales and suggests ca. 500 year longer duration than calculated by the ice-core chronologies GICC05 modelext and AICC2012. Absolute dating of the cold spells provided by the MON-2014 chronology shows good agreement among the MON-2014, the GICC05 modelext and the NALPS timescales for the period between 112 and 100 ka. In contrast, the MON-2014 varve chronology dates the oscillations MON 4 to MON 6 (92-76 ka) as ca. 3500 years older than the most likely corresponding stadials GS 22 to GS 20 by the other chronologies.

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“…The result of this is a significant volume of excavated country rocks, the formation of mass deficit that eventually leads to a gradual collapse, and the formation of volcanic debris-filled volcanic conduit, or diatreme (White & Ross, 2011). The mechanism of the formation of a diatreme is far from well-known, and there is still argument about whether it is magmatic gas (Stoppa, 1996;Stoppa & Principe, 1997;Sparks et al, 2006;Walters et al, 2006;Suiting & Schmincke, 2009;2010) or magma and water explosive interaction (Lorenz, 1973;1986;Zimanowski et al, 1986;Wohletz & Heiken, 1992;Mastrolorenzo, 1994;Zimanowski et al, 1995;Zimanowski et al, 1997;Calvari & Tanner, 2011) that drives the energy release that fragments the country rocks. However, there is agreement that the resulting subsurface pipe is a volcanic and non-volcanic debris dominated zone with collapsed blocks of wall rock and complex arrays of juvenile particle enriched sub-vertical regions (Lorenz & Kurszlaukis, 2007;White & Ross, 2011).…”

Section: Introductionmentioning

confidence: 99%

An Overview of the Monogenetic Volcanic Fields of the Western Pannonian Basin: Their Field Characteristics and Outlook for Future Research from a Global Perspective

Németh¹

2012

Updates in Volcanology - A Comprehensive Approach to Volcanological Problems

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Eruption style and petrology of a new carbonatitic suite from the Mt. Vulture Southern Italy/: The Monticchio Lakes Formation

Cited by 59 publications

References 22 publications

Hydrovolcanic vs Magmatic Processes in Forming Maars and Associated Pyroclasts: The Calatrava -Spain- Case History

Hydrovolcanic vs Magmatic Processes in Forming Maars and Associated Pyroclasts: The Calatrava -Spain- Case History

Annual proxy data from Lago Grande di Monticchio (southern Italy) between 76 and 112 ka: new chronological constraints and insights on abrupt climatic oscillations

An Overview of the Monogenetic Volcanic Fields of the Western Pannonian Basin: Their Field Characteristics and Outlook for Future Research from a Global Perspective

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