New archaeomagnetic data recovered from the study of Roman and Visigothic remains from central Spain (3rd-7th centuries)

被引:22
作者
Catanzariti, Gianluca [1 ]
Gomez-Paccard, Miriam [2 ]
McIntosh, Gregg [3 ,4 ]
Pavon-Carrasco, Francisco J. [3 ,4 ]
Chauvin, Annick [5 ]
Osete, Maria L. [3 ,4 ]
机构
[1] Univ Complutense Madrid, Ctr Arqueometria & Anal Arqueol, Fac Geog & Hist, E-28040 Madrid, Spain
[2] ICTJA CSIC, Inst Ciencies Terra Jaume Almera, Barcelona 08028, Spain
[3] Univ Complutense Madrid, Fac Ciencias Fis, Dept Fis Tierra Astron & Astrofis Geofis & Meteor, E-28040 Madrid, Spain
[4] Univ Complutense Madrid, Fac Ciencias Fis, Inst Geociencias UCM CSIC, E-28040 Madrid, Spain
[5] Univ Rennes 1, CNRS, UMR 6118, F-35042 Rennes, France
关键词
Archaeomagnetism; Palaeomagnetic secular variation; Rock and mineral magnetism; Europe; FIELD INTENSITY VARIATIONS; WESTERN-EUROPE; SECULAR VARIATION; MAGNETIC-FIELD; RADIOCARBON; CURVE; SITE; KILN;
D O I
10.1111/j.1365-246X.2011.05315.x
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
New archaeomagnetic results from four heated/combustion structures recovered from two archaeological sites in central Spain are reported. They have been dated by archaeological evidence and in two cases by radiocarbon dating. Rock magnetic experiments indicate low coercivity magnetic phases, such as magnetite and thermally stable maghaemite, as the main carriers of the remanent magnetization. Haematite has been observed in poorly heated baked clays. Archaeomagnetic directions have been obtained from either alternating field or thermal demagnetization experiments performed on 57 specimens coming from 46 independently oriented samples. The four well-defined archaeomagnetic directions obtained are in good agreement with previous archaeomagnetic data and with recent regional and global field models. They define the beginning of easterly declination drift that was initiated around 350400 AD and culminated around 800850 AD, and delineate the maximum in inclination that took place around 600650 AD. In addition, classical ThellierThellier experiments including thermal remanent magnetization anisotropy and cooling rate corrections were conducted on 23 specimens. Only 13 specimens, corresponding to well-defined single component behaviour, gave reliable results. New mean archaeointensities have been obtained for two of the four studied structures (VBK1, 64.2 +/- 5.0 mu T and VBT1, 62.4 +/- 2.6 mu T). The new data suggest that two relative intensity maxima occurred in Western Europe around 320 and 630 AD, being of lower magnitude that observed in Eastern Europe.
引用
收藏
页码:979 / 993
页数:15
相关论文
共 42 条
[21]   New archeointensity data from Spain and the geomagnetic dipole moment in Western Europe over the past 2000 years [J].
Gomez-Paccard, M. ;
Chauvin, A. ;
Lanos, P. ;
Thiriot, J. .
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, 2008, 113 (B9)
[22]   First archeointensity results from Portuguese potteries (1550-1750 AD) [J].
Hartmann, Gelvam A. ;
Trindade, Ricardo I. F. ;
Goguitchaichvili, Avto ;
Etchevarne, Carlos ;
Morales, Juan ;
Afonso, Marisa C. .
EARTH PLANETS AND SPACE, 2009, 61 (01) :93-100
[23]   Archaeomagnetic results on three Early Iron Age salt-kilns from Moyenvic (France) [J].
Herve, Gwenael ;
Schnepp, Elisabeth ;
Chauvin, Annick ;
Lanos, Philippe ;
Nowaczyk, Norbert .
GEOPHYSICAL JOURNAL INTERNATIONAL, 2011, 185 (01) :144-156
[24]   Four centuries of geomagnetic secular variation from historical records [J].
Jackson, A ;
Jonkers, ART ;
Walker, MR .
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES, 2000, 358 (1768) :957-990
[25]  
Jasonov P.G., 1998, Geol. Carpath, V49, P224
[26]   A regional archeomagnetic model for Europe for the last 3000 years, SCHA.DIF.3K: Applications to archeomagnetic dating [J].
Javier Pavon-Carrasco, F. ;
Luisa Osete, Maria ;
Miquel Torta, J. ;
Gaya-Pique, Luis R. .
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 2009, 10
[27]   A Matlab tool for archaeomagnetic dating [J].
Javier Pavon-Carrasco, Fco. ;
Rodriguez-Gonzalez, Juan ;
Luisa Osete, Maria ;
Miguel Torta, J. .
JOURNAL OF ARCHAEOLOGICAL SCIENCE, 2011, 38 (02) :408-419
[28]   On the suitability of baked clay for archaeomagnetic studies as deduced from detailed rock-magnetic studies [J].
Jordanova, N ;
Kovacheva, M ;
Hedley, I ;
Kostadinova, M .
GEOPHYSICAL JOURNAL INTERNATIONAL, 2003, 153 (01) :146-158
[29]   Geomagnetic field for 0-3 ka: 2. A new series of time-varying global models [J].
Korte, M. ;
Donadini, F. ;
Constable, C. G. .
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 2009, 10
[30]   Updated archeomagnetic data set of the past 8 millennia from the Sofia laboratory, Bulgaria [J].
Kovacheva, M. ;
Boyadziev, Y. ;
Kostadinova-Avramova, M. ;
Jordanova, N. ;
Donadini, F. .
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 2009, 10