Entrance Grave ( dt input grave, even " Scillonian Entrance Grave" or " West County tomb " ) have requested construction of megaliths is called, of which 14 in Cornwall (eg Bosiliack, Brane, Tregiffian ) some of the Channel Islands (La Varde, Le Creux ès Faïes, Les Pourciaux on Alderney and Herm Herm on 1 ) and about 80 on the Isles of Scilly (all England ) and four in County Waterford is located. In Brittany ( Kervihan ) they are known as " Dolmen in V-shape " known.
Entrance graves are simple, often slightly wedge-shaped galleries that are in relatively small round stone hills, but not the slightly more complex Wedge tombs same. Your chambers have horizontal ceilings.
The absence of early Neolithic material and the frequent discovery of Bronze Age urns in Cairns has meant that these megalithic sites are dated to the Late Neolithic. Such invariably late data are rare in megalithic and a sign that in the far west of England and the Isle of Anglesey in Wales, old traditions survived longer than in the rest of England and most parts of the UK. Given the evidence Entrance Graves seem to have been built in the late 3rd to early 2nd millennium BC, with a maximum usage time of about 700 years.
Some chambers are roofed over their entire length and have some presents a open top issuer of the curb edge to the chamber. There are also several variants of the floor plan. Glyn Daniel created a classification scheme due to the chamber shape:
- A) Two elements - chambers; having an outer region which meets at an angle on the inside.
- B) trapezoidal chambers; the increase in width to the rear.
- C) bulged chambers; in which the gantry and the rear wall are the same width, but the middle chamber are wider. This class is divided into C1 ( a straight wall ), and C2 - both odd walls, the latter being the more common.
- D) just chambers