Results 41 to 50 of about 99 (72)
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
K. Korhonen +3 more
exaly +2 more sources
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Two thousand years of archeointensity from West Africa
Earth and Planetary Science Letters, 2013This 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
Archeointensity in Northeast Brazil over the past five centuries
Earth and Planetary Science Letters, 2010Abstract This study presents the first archeointensity results from Northeast Brazil obtained from 14 groups of architectural brick fragments sampled in the city of Salvador, Bahia State (13°S, 38.5°W) and dated between the middle of the XVIth century and the beginning of the XIXth century.
Gelvam Hartmann +2 more
exaly +2 more sources
New archeointensity data from Spain and the geomagnetic dipole moment in western Europe over the past 2000 years [PDF]
Journal of Geophysical Research, 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 +3 more sources
Earth and Planetary Science Letters, 2019
Abstract We obtained six new high-quality archeointensity results for the Pelotas city region, in South Brazil with ages ranging from 1790 to 1943 CE. Archeointensity measurements were performed with the double heating technique, including partial thermoremanent magnetization (pTRM) checks and pTRM tail-checks.
Gelvam Hartmann +2 more
exaly +2 more sources
Abstract We obtained six new high-quality archeointensity results for the Pelotas city region, in South Brazil with ages ranging from 1790 to 1943 CE. Archeointensity measurements were performed with the double heating technique, including partial thermoremanent magnetization (pTRM) checks and pTRM tail-checks.
Gelvam Hartmann +2 more
exaly +2 more sources
Paleo- and archeointensity: methods, techniques and new results
Physics of the Earth and Planetary Interiors, 2004Peter Riisager, Avto Gogichaishvili
exaly +2 more sources
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 +2 more
exaly +2 more sources
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 +2 more
exaly +2 more sources
Holocene archeointensities from mid European ceramics, slags, burned sediments and cherts
Physics of the Earth and Planetary Interiors, 2015Abstract The Earth’s geomagnetic field intensity in the past can be determined from archeological artifacts. These archeointensity data are important inputs for geomagnetic field models and local reference curves of Earth’s magnetic field. Although archeointensities have been measured on materials for more than half a century ago, data are still ...
Kathrin Lisa Kapper +2 more
openaire +1 more source
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 +2 more
exaly +3 more sources
Studia Geophysica Et Geodaetica, 2010
Despite of the impressive cultural heritage and abundant archaeological sites, absolute geomagnetic intensity data from Mesoamerica are still sparse. Archeointensity determinations using the Coe variant of the Thellier and Thellier method have been carried out on some selected pottery fragments from the El Openo archeological site which has the ...
Juan Morales +2 more
exaly +2 more sources
Despite of the impressive cultural heritage and abundant archaeological sites, absolute geomagnetic intensity data from Mesoamerica are still sparse. Archeointensity determinations using the Coe variant of the Thellier and Thellier method have been carried out on some selected pottery fragments from the El Openo archeological site which has the ...
Juan Morales +2 more
exaly +2 more sources