Автор сообщения: gorm
Дата и время сообщения: 04 February 2007 at 02:15:16:
Нашел интересную публикацию. Рядом с Везувием найден новая вилла, предположительно Августа, которая не сильно пострадала в 79 г. (она к северу, куда в 79 г. пепел не летел, но была засыпана последующими семью извержениями, начиная с 472 года.
Title: Burial of Emperor Augustus' villa at Somma Vesuviana (Italy) by post-79 AD Vesuvius eruptions and reworked (lahars and stream flow) deposits
Author(s): Perrotta A (Perrotta, Annamaria), Scarpati C (Scarpati, Claudio), Luongo G (Luongo, Giuseppe), Aoyagi M (Aoyagi, Masanori)
Source: JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH 158 (3-4): 445-466 NOV 15 2006
Document Type: Article
Cited References: 58 Times Cited: 0 Find Related Records Information
Abstract: A new archaeological site of Roman Age has been recently found engulfed in the products of Vesuvius activity at Somma Vesuviana, on the northern flank of the Somma-Vesuvius, 5 km from the vent. A 9 m deep, 30 by 35 m trench has revealed a monumental edifice tentatively attributed to the Emperor Augustus. Different than Pompeii and Herculaneum sites which were completely buried in the catastrophic eruption of 79 AD, this huge roman villa survived the effects of the 79 AD plinian eruption as suggested by stratigraphic and geochronologic data. It was later completely engulfed in the products of numerous explosive volcanic eruptions ranging from 472 AD to 1631 AD, which were separated by reworked material and paleosols. The exposed burial sequence is comprised of seven stratigraphic units. Four units are composed exclusively of pyroclastic products each emplaced during a unique explosive event. Two units are composed of volcaniclastic material (stream flow and lahars) emplaced during quiescent periods of the volcano. Finally, one unit is composed of both pyroclastic and volcaniclastic deposits. One of the more relevant volcanological results of this study is the detailed reconstruction of the destructive events that buried the Emperor Augustus' villa. Stratigraphic evidence shows the absence of any deposit associated with the 79 AD eruption at this site and that the building was extensively damaged (sacked) before it was engulfed by the products of subsequent volcanic eruptions and lahars. The products of the 472 AD eruption lie directly on the roman structures. They consist of scoria fall layers intercalated with massive and stratified pyroclastic density current deposits that caused limited damage to the structure. The impact on the building of penecontemporaneous lahars was more important; these caused the collapse of some structures. The remaining part of the building was subsequently entombed by the products of explosive eruptions (e.g. 512/536 eruption, 1631 eruption) and mass flows.
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