Holes in the world: the use of caves for burial in the Mesolithic - Rick Schulting
Caves and rockshelters dominate the mortuary record for large parts of Mesolithic Europe, including southwest Britain and the Meuse Basin of Belgium. There is a striking correspondence in the ebb and flow of use of caves in these two regions, beginning in the Early Holocene (ca. 10,700/10,300 cal BP) but then declining markedly after ca. 10,000 cal BP, only to see a strong resurgence in the Neolithic.
The Early Mesolithic floruit may reflect an increased concern with marking group identity and territoriality in the light of rapidly rising sea-levels, leading to a readjustment of hunter-gatherer populations as coastal communities were forced to relocate. In southwest Britain, the ‘re-discovery’ of caves for funerary deposition occurs in the early part of the Neolithic, from just after 6,000 cal BP; it commences a few centuries earlier in Belgium, which experiences a strong peak in the early to mid-fifth millennium BP. There is a clear chronological – and arguably a perceptual – link between the mortuary use of caves and chambered tombs in the British Neolithic, while in Belgium the peak in Neolithic use of caves for collective burial coincides with the construction and use of 'allées couvertes'.
https://www.academia.edu/34761578/Holes_in_the_world_the_use_of_caves_for_burial_in_the_Mesolithic
From Mesolithic Burials – Rites, Symbols and Social Organisation of Early Postglacial Communities
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