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Modified Bone Density Fractionation Method for Palaeodietary Studies

  • Shin, Ji-Young (Conservation Science Division, National Research Institute of Cultural Heritage)
  • Received : 2010.08.03
  • Accepted : 2010.10.22
  • Published : 2011.01.20

Abstract

The bone density fractionation method is a potential palaeodietary tool in tracing lifetime dietary changes as well as separating diagenetically altered fractions. This paper presents a workable bone density fractionation method that uses a devised mathematical model and the particle size distribution. Different grinding methods, i.e., a Spex $LN_2$ mill, a Disc mill and a Micronising mill, were used to reduce archaeological bone particles to an appropriate size range, which was then analyzed by a Laser particle sizer. It was found that density profiles are in good agreement with the diagenetic parameters, and with their stable isotope results.

Keywords

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