Search results for "Prospection"
showing 10 items of 34 documents
Geophysical prospection of the Roman city of Pollentia, Alcúdia (Mallorca, Balearic Islands, Spain)
2016
Abstract We present the results of the geophysical investigation carried out in the Roman city of Pollentia, in the island of Mallorca. The ancient city was identified in the 19th century. Old and new archaeological excavations have helped to uncover a residential area, a theatre, the forum, several necropolises and other remains of the city, but a large unexplored area has still to be investigated. For instance, the limits of the ancient town and the presence of harbour structures are still unknown. The geophysical survey has covered an area of more than 20.000 m2 by integrating magnetic, electromagnetic, electrical and ground penetrating radar (GPR) methods. Many unseen archaeological fea…
Tracking archaeological and historical mines using mineral prospectivity mapping.
2014
13 pages; International audience; The present study proposes a technological transfer from modern mining prospection to the field of archaeology, providing a methodology to facilitate the discovery of ancient mining sites. This method takes advantage of the thousands of geochemical analyses of streambed sediments, performed by national geological surveys to inventory mineral substances. In order to delineate geochemical anomalies, the datasets are treated following two different approaches: Exploratory Data Analysis and a fractal-based method often recognised as more powerful. Mineral prospectivity maps are then obtained by combining the results with a geographical information system. The s…
la prospection systématique d’un fond de rivière : l’exemple du Doubs
2020
La présentation des méthodes mises en œuvre et des résultats obtenus à l’occasion d’une opération de prospection subaquatique systématique menée sur la rivière Doubs, en amont de Verdun-sur-le-Doubs (Saône-et-Loire), illustre en grandeur réelle l’intérêt de la démarche adoptée, fondée sur des principes simples, dans la perspective d’un inventaire systématique du patrimoine fluvial immergé. La diversité des vestiges découverts et leur répartition sur la longue durée en soulignent la pertinence mais également, s’il en était encore besoin, la réalité du formidable potentiel archéologique que recèlent les cours d’eau. The presentation of the methods used and results obtained during a systematic…
Ubiquitous giants: a plethora of giant viruses found in Brazil and Antarctica
2018
Background Since the discovery of giant viruses infecting amoebae in 2003, many dogmas of virology have been revised and the search for these viruses has been intensified. Over the last few years, several new groups of these viruses have been discovered in various types of samples and environments.In this work, we describe the isolation of 68 giant viruses of amoeba obtained from environmental samples from Brazil and Antarctica. Methods Isolated viruses were identified by hemacolor staining, PCR assays and electron microscopy (scanning and/or transmission). Results A total of 64 viruses belonging to the Mimiviridae family were isolated (26 from lineage A, 13 from lineage B, 2 from lineage C…
Aspetti tipo-cronologici e archeometrici delle ceramiche africane nel territorio di Cignana (Naro, AG, Sicilia)
2020
Il progetto di ricerca, condotto in cotutela tra l'Università di Palermo e Aix-Marseille Université, si basa sullo studio delle ceramiche africane importate in Sicilia tra la fine del I e il VII secolo d.C.. La ricerca si basa sui frammenti - tutte le classi incluse - raccolti dal gruppo di ricerca di Palermo durante le ricognizioni archeologiche nei dintorni della villa romana di Cignana (Agrigento) e nell'entroterra di Termini Imerese (Palermo). L'approccio multidisciplinare archeologico ed archeometrico, condotto in collaborazione con diversi specialisti di queste discipline, ha permesso di definire l'origine delle diverse produzioni e di riflettere sulla loro circolazione in Sicilia, in…
Planning Punic cities: Geophysical prospection and the built environment at Motya, Sicily
2020
The urban plan of ancient Motya on the Isola di San Pantaleo on the west coast of Sicily and its relationship to developments in Phoenician and Punic societies have been investigated since the early 1960s. Data from geophysical surveys in the north-eastern quadrant of Motya show the regular organisation of urban insulae framed by two broad roads. These results, combined with data from previous nearby excavations, improve the modelling of Motya's layout, and contribute to the wider discussion of Phoenician/Punic and broader Mediterranean urban traditions between the sixth and fourth centuries BC.
Detection and localization of chamber tombs in the environs of ancient Olympia, Peloponnese, Greece, based on a combination of archaeological survey …
2019
An integrated program of geophysical survey, coring, and test excavations to study a 4th millennium bc-cal ditch at Alt del Punxó (Muro de L’alcoi, A…
2008
The potentially long and interesting archaeological sequence revealed by systematic survey at the site of Alt Del Punxó (Muro de l’Alcoi, Alacant) was the basis for initiating a study of the locality’s subsurface structures using new methods of remote sensing. Geophysical survey (magnetometry and tomography) and systematic augering revealed buried structures, including monumental earthworks, and guided subsequent excavations to collect more detailed data about the nature and age of these prehistoric features. The information recovered, including new radiocarbon dates, offers a new perspective on the organization of prehistoric populations in this region of south-central Valencia since the b…
Les sites fortifiés protohistoriques du Haut-Beaujolais : bilan de trois années de recherches entre Loire et Saône
2016
Dans le cadre du PCR dirigé par F. Delrieu, un programme de prospection des sites fortifiés de hauteur a été engagé entre 2013 et 2015 dans le Haut-Beaujolais, territoire auparavant méconnu dans ce domaine. Ces recherches ont permis la découverte de 19 sites inédits, portant à 22 le corpus local. Sur l’espace investis, de près de 1000 km², 344 sommets ont été vérifiés, selon une approche voulue systématique. Le corpus est essentiellement constitué d’enceintes complètes ou partielles, dont la superficie varie de quelques milliers de m² à près de 3 ha pour le site le plus étendu. Deux des sites inventoriés ont fait l’objet de sondages, permettant de documenter pour l’un d’eux une occupation d…
Aspects typo-chronologiques et archéométriques de la céramique africaine sur le territoire de Cignana (Naro, AG, Sicile)
2017
Ce projet de recherche se fonde sur une étude typologique et archéométrique des matériaux d’époque romaine-impériale collectés pendant les prospections, surtout les céramiques africaines importées en Sicile entre la fin du Ier et le VIIe siècle apr. J.C. On ne va pas se concentrer sur une seule classe de céramique mais on va analyser globalement tous les objets manufacturés (amphores, sigillées, vaisselles culinaires, communes, lampes) en adoptant une approche diachronique correspondant à l’entière période de circulation de ces céramiques. L’objectif est de reconstruire les contacts économiques entre les deux provinces et individualiser l’origine des différentes productions. Nous allons ess…