- Concentric stone circle
A concentric stone circle is a type of prehistoric
ritual monument consisting of a circular or oval arrangement of two or morestone circle s set within one another. They were in use from the lateNeolithic to the end of the earlyBronze Age and are found inEngland andScotland .They were first proposed as a separate monument type to single ring stone circles by
Aubrey Burl in1976 although not all archaeologists consider the distinction valid as they both likely served similar purposes. Notable examples include those atAvebury andThe Sanctuary inWiltshire and at theBirkrigg stone circle inCumbria . TheShapbeck stone circle in Cumbria has three rings whilstYellowmead Down inDevon has four.Connected features as some sites include central mounds, outlying
standing stone s,avenue s or circular banks on which the stones are set. Burials have been found at all excavated concentric stone circles both inhumations and urned or unurned cremations. A funerary purpose is thought likely, especially by Burl who sees the Cumbrian sites as being analogous to the kerbs that surround somechamber tomb s and cobble pavements have been found in the centre of many examples. Alternatively, they may beskeuomorph s of earliertimber circle sites rebuilt in stone, especially the examples inWessex .Some display examples of
megalithic art one of the stones of carboniferous limestone at Birkrigg had been sculpted into a shape resembling asperm whale 's head.External links
* [http://www.eng-h.gov.uk/mpp/mcd/concirc.htm English Heritage Mounument Class Description]
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