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| Pierres Plates |
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|Description ||Pierres Plates Dolmen is next to the sea on the West side of the Bay of Morbihan in Brittany, France. Nearest village is Locmariaquer.|
We only went into the dolmen as far as the short passage to the left and didn't realise how big it was. Hence the composite photo.
This photo was taken from a camera hanging on a kite line. (Kite Aerial Photography)
| nice to see this fabulous site like this.|
| One of the carved stones near the entrance indicates that an earthquake took place and the builders were forced to flee by sea and land. The large fallen stone near Locmariquer is snapped in sections exactly as if it had been whipped by an earthquake. Note also that some of the stones in the Pierres Plates Dolmen have large circular indents ...these were mortar cups used as pivots to erect wooden gnomons to cast shadows. In addition to other uses. The above shot is fantastic as it was taken after a rain and the indents are easily visible. The third stone to the left of the entrance displays two such cup structures, one large and one small with an intersecting drain groove, (also used as a time notch and compass guide.) The fourth and fifth stones are notched along the outside edges and are positioned to act as verniers for the shadows cast by the tall and short gnomons erected from the third stone. The sixth stone from the entrance displays three such cup marks aligned at the exact elbow of the dolmen structure. These three indents further define shadow time and can hold a movable wooden peg used to cast yet another shadow into the curves of the stones on either side...(stone five and stone seven) , The linear marks on stones 8 and 9 mark the final ebb of the shadows as they move as the sun sets and rises, Stone 14 also displays a cup pivot indent as does the final stone in the sequence. One can easily conclude therefore that Pierres Plates is a dial calendar and may have been used to signal oyster boats at sea. A solar beam, like the one at Newgrange in Ireland also forms in the interior. |
|Martin L |
| The site was restored. The capstones with the "linear marks" for example are replacements of robbed capstones. |
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