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Karst and paleoenvironments of the Siena area (central Italy)

Pascucci, Vincenzo (ed) (2004) Karst and paleoenvironments of the Siena area (central Italy). In: 32. International geological congress from the Mediterranean area toward a global geological renaissance geology, natural hazards, and cultural heritage, August 20-28, 2004, Florence, Italy. Roma p. 3-16. (Field trip guide books, 3 - D02). Conference or Workshop Item.

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Abstract

This field trip is dedicated to the analysis of some karsts features near Siena, which possibly developed during the last ice age in Triassic limestone (Calcare Cavernoso). These limestones crop out North-East of Siena (Mt Maggio). Several relatively small lakes have formed in karst depressions in the area. The lakes allowed the establishment of several communities since the Iron Age (Villanovian) and represented an important economic asset during the Middle Ages. Villages such as Monteriggioni, Abbadia Isola, and S. Leonardo al Lago developed owing to the presence of these lakes. Most of these lakes were drained artificially in the late 17th century and the economy, landscape and climate of the Siena area changed drastically. The field trip will visit some of the best caves and other karst features of the area, the last lake to be drained (Pian del Lago), its drainage system and, finally, two well-preserved fortified medieval villages (Monteriggioni and Abbadia Isola).

Item Type:Conference or Workshop Item (Contribute)
ID Code:5318
Status:Published
Uncontrolled Keywords:Karsts features, Siena
Subjects:Area 04 - Scienze della terra > GEO/02 Geologia stratigrafica e sedimentologica
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze botaniche, ecologiche e geologiche
Publisher Policy:APAT – Italian Agency for the Environmental Protection and Technical Services
Additional Information:Authors: G. Biancardi, L. Dallai, D. Manganelli, V. Pascucci, R. Tracchini(Università di Siena - Italy).
Deposited On:07 Feb 2011 09:56

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