Results 61 to 70 of about 235 (87)

New archeointensity data from Spain and the geomagnetic dipole moment in western Europe over the past 2000 years [PDF]

Journal of Geophysical Research: Solid Earth, 2008
Archeomagnetic studies on 14 kilns, a group of jar fragments, and a collection of baked bricks dated between 1000 and 1959 AD plus one Roman pottery kiln have been conducted in order to obtain high‐quality archeointensity data to enhance the western European database.
Miriam Gómez-Paccard, Annick Chauvin
exaly   +4 more sources

Geomagnetic field intensity behavior in South America between 400 AD and 1800 AD: First archeointensity results from Argentina [PDF]

Physics of the Earth and Planetary Interiors, 2011
Abstract An absolute archeointensity study in Northwest Argentina provided 25 independent geomagnetic field lectures supported by 37 radiometric dates between AD 400 and 1800. The mean, cooling rate and remanence anisotropy corrected archeointensity values obtained in this study range from 36.5 ± 2.6 to 63.1 ± 8.7 μT, with corresponding Virtual Axial
Juan Morales, Catriel Greco, Avto Gogichaishvili   +2 more
exaly   +4 more sources

Archeointensity investigation on pottery vestiges from Puertas de Rolón, Capacha culture: In search for affinity with other Mesoamerican pre-Hispanic cultures

Studia Geophysica Et Geodaetica, 2013
We report the results of a rock magnetic and archeointensity study on pottery fragments recovered at the archaeological site of Puertas de Rolón, Capacha culture (Colima), that is considered one of the most important pre-Classic cultural developments of western Mesoamerica, Mexico.
Juan Morales, Claire Carvallo, Avto Gogichaishvili   +2 more
exaly   +3 more sources

First archeointensity determinations on Maya incense burners from Palenque temples, Mexico: New data to constrain the Mesoamerica secular variation curve

Earth and Planetary Science Letters, 2013
We present archeointensity data carried out on pieces of incense burners from the ancient Maya city of Palenque, Chiapas, Mexico, covering much of the Mesoamerican Classic period, from A.D. 400 to A.D. 850. We worked on pieces from 24 incense burners encompassing the five Classic ceramic phases of Palenque: Motiepa (A.D. 400–500), Cascadas (A.D.
Mireille Perrin, Pierre CAMPS, M T Sougrati   +2 more
exaly   +4 more sources

New archeointensity data from Novgorod (North-Western Russia) between c. 1100 and 1700 AD. Implications for the European intensity secular variation [PDF]

Physics of the Earth and Planetary Interiors, 2017
Abstract Reconstructing the secular variation of Europe’s geomagnetic field over the past millennium is challenging because of the lack of recently acquired archeomagnetic data from Western Russia. In this paper, we report on nine new archeointensity values obtained from groups of brick fragments sampled in Novgorod (North-Western Russia) and its ...
Ilya Antipov, Agnès Genevey, Yves Gallet   +2 more
exaly   +3 more sources

New historical archeointensity data from Brazil: Evidence for a large regional non-dipole field contribution over the past few centuries

Earth and Planetary Science Letters, 2011
Abstract We report new archeointensity data obtained from the analyses of baked clay elements (architectural and kiln brick fragments) sampled in Southeast Brazil and historically and/or archeologically dated between the end of the XVIth century and the beginning of the XXth century AD.
Gelvam A Hartmann, Ricardo I.F. Trindade, Agnès Genevey   +2 more
exaly   +3 more sources

New archeointensity data from French Early Medieval pottery production (6th–10th century AD). Tracing 1500years of geomagnetic field intensity variations in Western Europe [PDF]

Physics of the Earth and Planetary Interiors, 2016
Nineteen new archeointensity results were obtained from the analysis of groups of French pottery fragments dated to the Early Middle Ages (6th to 10th centuries AD). They are from several medieval ceramic production sites, excavated mainly in Saran (Central France), and their precise dating was established based on typo-chronological characteristics ...
Erwan Thebault, Agnès Genevey, Yves Gallet   +2 more
exaly   +5 more sources

Rapid geomagnetic field intensity variations in the Near East during the 6th millennium BC: New archeointensity data from Halafian site Yarim Tepe II (Northern Iraq)

Earth and Planetary Science Letters, 2018
Abstract We present new archeointensity results from a series of groups of pottery fragments that were collected from the multi-layered archeological site Yarim Tepe II in Northern Iraq (Northern Mesopotamia) dated to the 6th millennium BC. This site comprises a 7-m-thick sequence of archeological deposits encompassing the Middle Halaf, Late Halaf ...
Yves Gallet
exaly   +3 more sources

GEOMAGIA50: An archeointensity database with PHP and MySQL

Geochemistry, Geophysics, Geosystems, 2008
The GEOMAGIA50 database stores 3798 archeomagnetic and paleomagnetic intensity determinations dated to the past 50,000 years. It also stores details of the measurement setup for each determination, which are used for ranking the data according to prescribed reliability criteria. The ranking system aims to alleviate the data reliability problem inherent
Peter Riisager, F Donadini, L J Pesonen
exaly   +2 more sources

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Two thousand years of archeointensity from West Africa

Earth and Planetary Science Letters, 2013
This study presents 17 archeointensity estimates from Senegal and Mali, two neighboring countries in West Africa, for the period 1000 BCE to 1000 CE. The archeological artifacts used in this study were collected during the course of two separate projects, together spanning 22 years and across 8 separate excavations.
Lisa Tauxe
exaly   +2 more sources