http://news.bbc.co.u...ast/8058185.stm
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New Method Of Dating Pottery
Started by shiny, 21-May-2009 00:44
3 replies to this topic
#2
Anew
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Megalithomaniac
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Posted 21 May 2009 - 17:17
#3
Lotty
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Pebble Tripper
Posted 21 July 2009 - 23:35
Actually ceramic often does contain carbon...particularly older pottery which may contain organic inclusions.
I cannot see how this dating can hold up. Firstly there are differentials in the soil. Also, the post-ex process and all the variables at that stage.
I cannot see how this dating can hold up. Firstly there are differentials in the soil. Also, the post-ex process and all the variables at that stage.
#4
Maju
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Posted 27 July 2009 - 21:47
Very interesting and promising discovery, thanks Shiny. 
Lofty: the datation seems to be independent of surrounding moisture if it is ceramic and not mere terracotta (which would absorb humidity), if I understand correctly: it basically dates when the clay was baked into ceramic. Of course we must keep a critical eye and the case of the medieval bricks re-baked at WWII certainly shows a case where confusion can arise, for example where a site has suffered fires.
Lofty: the datation seems to be independent of surrounding moisture if it is ceramic and not mere terracotta (which would absorb humidity), if I understand correctly: it basically dates when the clay was baked into ceramic. Of course we must keep a critical eye and the case of the medieval bricks re-baked at WWII certainly shows a case where confusion can arise, for example where a site has suffered fires.
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