A quick google search for [inverted urn] turned up several links . First and interestingly : the practice was also (at some point) going on in the -couldn't-be-more-distant- Peru/Ecuador area . Disclaiming connection, and allowing for variability in local custom and practice, it seems to imply like symbolism took shape in separate cultures ; a symbolism perhaps involving belief in the magic of reflection in water, of the rising/setting sun, and imaginably, in an 'upside-down realm' of spiritual importance -- perhaps as a home for the dead (or some of the dead), and/or to the yet-to-be-born
In the British Isles, the practice of inverting urns to accompany cremation burials and/or cist burials (?) is mentioned in two North Yorkshire sites on this page: References to Rock art on the North Yorks Moors as follows:
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This kerbed barrow covered a cremation burial in an inverted collared urn which was surrounded by a ring of small greenstones at the mound centre. Two cup marked stones were found in the mound material.
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This kerbed barrow covered two cists paved with pebbles. An inverted urn was found alongside one of the cists at the mound centre. This cist had a side slab carved with 3 concentric rings and a star in the centre.
"hereabouts Mr. Marshall also found another stone marked with a circle, crossed by a horizontal and perpendicular line. And subsequent to 1852, the same gentleman found in that vicinity another particular stone, marked with 4 of the same kind of hieroglyhics, differing only as follows; viz., one consisting of four concentric circles with a dot in the centre - one of three circles and dot in the centre - one with two circles and dot in the middle ,and one of only one circle and centre dot."
air photo shows a 19m circle at9805 0147 + smaller one at 9807 0147
Notes
knox p183 a little distance southwards from raven hall in the vicinity of Burnt Howe (about two furlongs) was a circular mound/banking 195ft in circumference and 7ft wide and 6in high. 14 ft to east was small tumulus this in 30 acre enclosure where the base of 32 barrows were uncovered when the land was ploughed many had large stones in the centre or around the edge from 6-11ft long which could have stood upright as shown by the weathered upper parts.
p197 4 yds 3.6m dia within its circle of low kerbstones contained a stone lined grave plus in the centre of the mound was an inverted urn over a cist. Pebbles paved the grave and cist (water worn ? symbol of ?)
on a side slab of this kist was carved 3 concentric circles with a star in the centre.
p201 mr marshall also found buried near the circle/bank, a large block of blue granite (perhaps whinstone or sea shore boulder) having a surface area of about a yard, with a saucer like cavity cut in it (not worn) six inches wide.
To me, three things may be inferred at this point, (rightly or wrongly) :
1) The burial accompanied by an inverted urn was a known but not universal practice in what is now northern England and Northern Ireland, which may have been performed under specific conditions / for specific reasons
2) The probable route of connection/association between these sites, (if they are connected), passes through northern England
3) Seahenge, with its massive inverted oak at center, is (for the finds) more solidly considerable as an expression of these beliefs, (however they were held)












