Geophysical investigations of the Olonium Roman site (Northern Como Lake) (Articolo in rivista)

Type
Label
  • Geophysical investigations of the Olonium Roman site (Northern Como Lake) (Articolo in rivista) (literal)
Anno
  • 1999-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0926-9851(98)00041-X (literal)
Alternative label
  • Arlsan, E; Biella, G; Boniolo, G; Caporusso, D; de Franco, R; Lozej, A; Veronese, L (1999)
    Geophysical investigations of the Olonium Roman site (Northern Como Lake)
    in Journal of applied geophysics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Arlsan, E; Biella, G; Boniolo, G; Caporusso, D; de Franco, R; Lozej, A; Veronese, L (literal)
Pagina inizio
  • 169 (literal)
Pagina fine
  • 188 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 41 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 20 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2-3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Consiglio Nazionale delle Ricerche (CNR); Civ Raccolte Archeol; Soprintendenza Archeol Lombardia; University of Milan; Prov Autonoma Trento (literal)
Titolo
  • Geophysical investigations of the Olonium Roman site (Northern Como Lake) (literal)
Abstract
  • The study area is located at S. Agata (Gera Lario), a small center at the northern end of Come Lake, near the junction of Valchiavenna and Valtellina Valleys. This site played a strategic role since ancient times, providing the control on the communications routes to both the Come Lake and the Spluga and Septimer alpine passes. Since the end of the last century archaeological findings are reported in literature, also supported, from the early XI century, by archival documents confirming the existence of the 'Olonium' settlement, an administrative and fiscal center of primary importance, as well as a parish amongst the most influential in the Como Lake area. Within an area of 45,000 m(2) an electrical survey has been carried out in conjunction with magnetic and GPR investigations. These studies have indicated the presence of a number of sub-areas characterized by significant anomalies defined by the overlapping of the results obtained from two or more geophysical methods. In two of such sub-areas, excavation tests have been conducted, which have brought to light a number of archaeological findings of interest. In one of the two sub-areas, which is characterized by the superimposition of electrical and radar anomalies, a deposit of large pebbles has been found. The origin of this deposit has not been ascertained, whether it is of fluvial origin, related to the deviation of the Adda river in the Plan di Spagna region in Roman times, or it is part of reclamation works, still of Roman times, of paleolacustrine marshes. The overlapping stratigraphy, however, suggests the development of fluvial channels between Roman and Low-Medieval times. In the other sub-area, excavations were carried out on sites defined by electrical and radar anomalies, and confirmed by the results from magnetic survey. The excavations brought to light, below the fluvial deposits, a large medieval edifice, which could be identified as the S. Stefano church abandoned in 1444. The church is built on earlier structures, amongst which an apse with a single aisle has been interpreted as a paleochristian sacellum. (C) 1999 Elsevier Science B.V. All rights reserved. (literal)
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