The Border of Farming and the Cultural Markers - Nordlige Verdener

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sage tombs, were placed in mound extensions
to the east and to the west of
the earlier dolmens, and a full long
mound was being created (Fig. 7).
Multi-period construction
in Britain
From Britain, in particular from Wales and
Scotland, excavations have revealed evidence
of multi-period megalithic tombs
from a larger number of sites. Such composite
tombs are now established as
being a widespread phenomenon, and
examples are known throughout the
British Isles (Smith & Lynch 1987: 31).
Often a small round cairn with one relatively
simple megalithic chamber comprises
the primary monument. After a
certain interval of time the monument
was enlarged, and the original round
barrow became incorporated in a long
cairn, often with a distinct facade at the
opening of a chamber.
This is the case at the megalithic tomb
of Trefignath on the isle of Anglesey,
North Wales, where the first phase consists
of a small round cairn (Fig. 8). The