Rillaton Barrow
Rillaton Barrow is a Bronze Age round barrow located in Cornwall. Archaeological finds from the site date it to 2300 BCE.
Coordinates
50.521054,-4.455809
Description
Rillaton Barrow comprises several large cut stones and a barrow that is currently blocked. The large stones do not form any shape, and other stones are scattered about as if they are offcuts, with a possible quarry a few hundred metres northwest.
The barrow has a dip in front. This dip gives the appearance that part of it has been excavated or removed.
Its appearance is similar to how Trethevy Quoit possibly appeared and was described as being covered.
Analysis
Rillaton Barrow could be linked to nearby Trethevy Quoit and The Pipers by date.
Alignment suggests 2285 BCE, which is after construction ratios of 5.5 and 11 were used.
These ratios are known to have been used by the ancient Egyptians, who are also thought to have altered other monuments using these ratios.
Neolithic people are known to have used simply shaped stone marker points, usually five or six feet in length. These marked out areas of interest. They also used larger, simply shaped stones to mark events, usually grouped together.
At this location, both can be found.
Bronze Age people improved on their skills and included astrological links along with tilt.
The barrow aligns at 27° toward the northeast. It is currently at 50.521° latitude and 345 metres in elevation.
The difference from the current tilt would be between 8.5° and 10° for Neolithic people and 4.1° and 8.5° for Bronze Age people.
Using the winter sunrise of 39.1° subtracted from the latitude gives an angle that falls during 5383 BCE.
50.521°−39.1°=11.421°
5383 BCE
15.58° northeast
Other angles would give much larger or smaller dates, which wouldn’t connect with anything.
Neolithic people have been shown to use yards, so an elevation of 345 metres is 377 yards or 1,131 feet.
Conclusion
It is likely that this is a Neolithic barrow that may have been used multiple times, beginning at a time that it aligned at 39° toward sunrise in winter. This would be symbolic as the year's end links with the passing of a loved one.
It suggests that it was in use from about 5800–5700 BCE until about 4200 BCE.
As there are nearby monuments using the number 5.5/11 but have been shown to date much later, it is possible that an adjustment was made, probably using some stones to build another monument. This would have been around 2300-2200 BCE.
(The other monument could have been Trethevy Quoit)
Archeology77 ©
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