Radiocarbon Dating of Algal Bioclasts in Beach Sites of Guam

被引：5
|
作者：
Carson, Mike T. [1 ]
Peterson, John A. [1 ]
机构：
[1] Univ Guam UOG, MARC, Archaeol Off, UOG Stn, Mangilao, GU 96923 USA
来源：
JOURNAL OF ISLAND & COASTAL ARCHAEOLOGY | 2012年 / 7卷 / 01期
关键词：
algal bioclasts; absolute dating; beach sites; Guam; Mariana Islands; MARIANA ISLANDS; HALIMEDA; CALIBRATION;
D O I：
10.1080/15564894.2011.611855
中图分类号：
K85 [文物考古];
学科分类号：
0601 ;
摘要：
Direct radiocarbon dating of algal bioclasts of Halimeda sp. demonstrates accurate age estimates in relation to archaeological layers in three beach sites of Guam in the western Pacific region. These case studies illustrate the technical requirement of identifying intact (non-eroded) bioclasts for dating, as well as the methodological parameters for interpreting the relationship between depositional context of these bioclasts in relation to the archaeological point of interest. In the many island and coastal beach sites world-wide that are composed of bioclastic sands, this approach offers new possibilities for dating of ancient site deposits.
引用
收藏
页码：64 / 75
页数：12
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