Publikationsdatum:
1995-01-01
Beschreibung:
Archaeointensity data have been obtained for the past 7,500 years by analyzing ancient Chinese ceramics using a new version of the Shaw techniques (Shaw, 1974) and the Coe (1967) version of the Thellier techniques (Thellier and Thellier, 1959). Several rock magnetic parameters and measurements, such as Curie temperature, low temperature susceptibility, hysteresis and magnetic anisotropy, have been made on sub-samples. These measurements have enabled us to preselect the most suitable samples for archaeomagnitude analysis. There is acceptable agreement between the results obtained from separated areas of China. Major features of the geomagnetic field in China determined from this study are generally consistent with those of the global average field model of McElhinny and Senanayake (1982) but with detailed differences which we may be due either to local non-dipole field effects or lack of resolution in the global model. Comparison of the present results with contemporaneous results from Greece (Aitken et al., 1989) shows significant differences that may be due to the movement of a large non-dipole anomaly. Samples younger than 4,000 years ago were usually dated by archaeological context and/or artefact type; radiocarbon dating was used to date the older samples. © 1995, Society of Geomagnetism and Earth, Planetary and Space Sciences. All rights reserved.
Print ISSN:
0022-1392
Thema:
Geologie und Paläontologie
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