Re: How radiocarbon dates are made "older" by diet
From: Eric Stevens (eric.stevens_at_sum.co.nz)
Date: 07/26/04
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Date: Mon, 26 Jul 2004 21:17:58 +1200
On 25 Jul 2004 22:13:53 -0700, gblack@hnpl.net (George) wrote:
--- snip ---
>
>Quote
>Abstract A consensus has not been reached on the validity of "old"
>(pre-Polynesian settlement) 14C ages for Pacific rat bones from New
>Zealand.
>
><Dead right>
>
>Look up http://www.rsnz.govt.nz/publish/jrsnz/2002/024.php
>…………………………………………
>The article then goes into great depth and makes the claim that the
>rat was introduced pre – Polynesian settlement without questioning why
>the sample/s were recorded and not written up for a number of years.
>Claim
>That Rattus exulans has been present in New Zealand 800 years prior to
>the Maori settlement of New Zealand..
>Refutation 1
>In 800 years of occupation of the two main landmasses of New Zealand
>we have ‘5' measurable samples of Rattus exulans
>Refutation 2
>Is/are there any 700 or 600 or 500 or 400 or 300 or 200 or 100 year
>before Maori settlement Rattus exulans samples tested and written
>up?
>
>And instead of 5 samples of Rattus exulans I'd expect a database of
>samples for North and South Islands populations as North Island and
>South Island populations are claimed.
>
>Holdaway (1996) asserted that sample NZA – 6636 as recovered from
>Hukanui #76 by J C Yaldwyn in 1959 is the one in the labelled
>matchbox !
>Subsequent excavations at this site (Hukanui) do not support the
>claim !
>The only rat bone taken from the site was a rat jaw bone (lower
>mandible)
>
>
>Refs:
>Anderson A J
>1996 Was Rattus exulans in New Zealand 2000 years ago.
>Archaeology in Oceania : 31: 178-183
>
>Differential reliability of C14 ages of rat bone gelatine in South
>Pacific history
>Journal of the Royal Society of New Zealand : 30: 243-261
>
>Newsletter of the New Zealand Archaeological Society Association
>3 : 28
>
>The Holdaway R N & Bevan N R articles are already referenced here.
>
>http://www.rsnz.govt.nz/publish/jrsnz/2002/024.php
>From which there is a link to a 44 page PDF of the entire paper.
>
>Yaldwyn J C
>The matchbox the rat bone the Hukanui #76 excavations 1959
>Archaeology in New Zealand 45: 118-129
Eric Stevens
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