探索古代美索不达米亚的地磁变化:考古磁力研究从公元前第三到第一千年的刻字
Matthew D Howland1,2, Lisa Tauxe3, Shai Gordin4,5
1Department of Anthropology, Wichita State University, Wichita, KS 67260.
概括
这项研究提供了来自美索不达米亚的新地磁强度数据,证实了Levantine铁器时代的地磁异常 (LIAA),并增强了绝对约会的全球古地强度曲线. 这项研究提高了对地球磁场动态的理解.
科学领域:
- 地质物理学 地质物理学
- 考古磁力学 考古磁力学
- 古磁论是古磁论的一种学说.
背景情况:
- 来自美索不达米亚的地磁强度数据很少,这限制了全球古代强度曲线的分辨率和对场动态的理解.
- 之前的研究并没有很好地证明在美索不达米亚的Levantine铁器时代地磁异常 (LIAA),尽管区域模型预测.
研究的目的:
- 为了呈现高分辨率的地磁强度数据,从美索不达米亚跨越公元前3到1千年.
- 解决全球考古强度曲线的地理差异,并改进绝对约会方法.
- 调查在美索不达米亚的Levantine铁器时代地磁异常 (LIAA) 的存在和特征.
主要方法:
- 分析了32个高分辨率的考古磁力强度数据点,这些数据点来自刻录的制.
- 通过与12位美索不达米亚国王统治有关的铭文,精确地测定样品的年代.
主要成果:
- 在公元前一千年期间,在美索不达米亚确认了高地磁场值,与LIAA一致.
- 古代强度曲线在公元前三千年到一千年间的分辨率显著增加.
- 展示了考古磁力学在该地区绝对约会的潜力.
结论:
- 该研究证实了美索不达米亚的LIAA,验证了区域地磁模型.
- 新的数据增强了全球古老物质强度曲线,提高了其分辨率和地理覆盖范围.
- 对美索不达米亚文物的考古磁性分析为绝对约会提供了可靠的基线.
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