Le Mésolithique moyen en Finistère : de nouvelles datations pour le groupe de Bertheaume

Blanchet, Stéphane; Kayser, Olivier; Marchand, Grégor; Yven, Estelle

doi:10.3406/bspf.2006.13469

Cited by 11 publications

(4 citation statements)

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“…Our findings are, however, in marked opposition with the regional neolithization model admitted by the archaeological community and based on clues related to changes in cultural practices identified by lithic (and ceramic) industries (Blanchet et al, 2006; Cassen et al, 1998; Hamon, 2008; Marchand, 2005, 2007; Marchand et al, 2006; Pailler et al, 2007, 2014). In addition, studies on Mesolithic archeological sites in Brittany have highlighted traces of plant cuttings, but tools did not show the classical polishes associated with cereal cuttings (Guéret, 2013; Guéret et al, 2014).…”

Section: Climate Impacts and Land-use Changescontrasting

confidence: 99%

“…Our findings are however in marked opposition with the regional neolithisation model admitted by the archaeological community and based on clues related to changes in cultural practices identified by lithic (and ceramic) industries (Cassen et al, 1998;Marchand, 2005Marchand, , 2007Marchand et al, 2006;Blanchet et al, 2006;Pailler et al, 2007Pailler et al, , 2014Hamon, 2008).…”

Section: Local Signal Ofcontrasting

confidence: 88%

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Palaeoenvironmental reconstructions during the Meso- to Neolithic transition (9.2–5.3 cal. ka BP) in Northwestern France: Palynological evidences

et al. 2018

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Sedimentological, palynological, and micropalaeontological studies carried out throughout the first half of the Holocene, during the Mesolithic/Neolithic transition in the Bay of Brest (i.e. 9200-9000 and 6600-5300 cal. BP) and in the Bay of Douarnenez (i.e. 9200-8400 cal. BP), allowed characterizing coastal environmental changes under the increasing influence of the relative sea-level rise. The gradual flooding of the two studied sites implied a transition from river valleys to oceanic bays as revealed by the gradual retreat of salt marsh environments, as detected through palynological analysis. In addition, these high-resolution studies highlight the regional imprint of the North Atlantic millennial climate variability in northwestern coastal environments. Two cold climate events are indeed suggested to have been locally marked by a moisture increase, mainly detected by increases in Lingulodinium machaerophorum, Corylus, and Alnus percentages at 8550 cal. BP in the Bay of Douarnenez and at 6250 cal. BP in the Bay of Brest. Moreover, regarding the Neolithic transition timing in the Bay of Douarnenez, large pollen grains of Poaceae (i.e. Cerealia-type pollen grains) have been detected at around 8600 cal. BP, that is, 1500 years before the general accepted cereal cropping appearance in Western France. These results, consistent with other palynological studies conducted in the French Atlantic coast, could underline a Mesolithic 'proto-agriculture' in Brittany.

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Section: Climate Impacts and Land-use Changescontrasting

confidence: 99%

Section: Local Signal Ofcontrasting

confidence: 88%

Palaeoenvironmental reconstructions during the Meso- to Neolithic transition (9.2–5.3 cal. ka BP) in Northwestern France: Palynological evidences

et al. 2018

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“…-Quillien (Le Cloître-Saint-Thégonnec), à 5 km à l'est de Pont-Glas, site de plein air livrant du matériel du premier Mésolithique (Gouletquer et Léopold, 1991 ;Blanchet et al, 2006).…”

Section: Territoires Et Gestion éConomique Des Aires Continentales Stunclassified

Comprendre les systèmes de mobilité au Mésolithique : l’abri-sous-roche de Pont-Glas à Plounéour-Ménez (Finistère)

Marchand¹,

Goffic²,

Donnart³

et al. 2017

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Dans une économie fondée sur la chasse et la collecte en domaine tempéré, la mobilité collective apparait alors comme un comportement économique essentiel pour les humains de la Préhistoire. Afin de contribuer à la définition de ses formes archéologiques et dans le cadre d'un programme sur le fonctionnement des sociétés mésolithiques en Bretagne, il a semblé nécessaire de documenter une occupation en abri-sous-roche, susceptible d'offrir un autre spectre d'activités que les grands sites désormais mieux connus. L'abri-sous-roche de Pont-Glas (Plounéour-Ménez, Finistère) proposait de bonnes conditions pour aborder cette problématique. Deux blocs de granite appuyés l'un contre l'autre offrent une protection à une surface d'une vingtaine de mètres carrés, ménageant une cavité à deux entrées (est et ouest) d'une surface d'une quinzaine de m². Un bloc de granite débité récemment fermait un peu à l'origine cet abri et devait faciliter l'installation d'une couverture. Cet abri a été découvert et sondé en 1987 par M. Le Goffic, qui y reconnut un niveau remanié contenant des silex du Mésolithique final et de la céramique gauloise, au-dessus d'un empierrement qualifié de « dallage ». En 2007 et 2008, la totalité de l'abri a été fouillée. Si l'entrée occidentale, très étroite, n'a visiblement jamais été concernée par les occupations humaines ni même les circulations, l'abri lui-même a livré un foyer soigneusement empierré aux bords hélas érodés (structure 1), puis une quinzaine de centimètres plus bas un épandage de charbon correspondant probablement à un foyer à plat (structure 2). Au même endroit, mais dans une US du Mésolithique encore plus basse, une zone de

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“…In Brittany the Bertheaume group, dated at around 8400–7600 cal BC is characterised by narrow backed bladelets with one or two sides retouched and small scalene triangles (Marchand 2005, 48; Blanchet et al . 2006). Obliquely blunted points and basally modified points are present, but rare.…”

Section: The Mesolithic Of Northern Francementioning

confidence: 99%

Rethinking Human Responses to Sea-level Rise: The Mesolithic Occupation of the Channel Islands

Conneller¹,

Bates

et al. 2016

Proc. Prehist. Soc.

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This work provides new insights into human responses to and perceptions of sea-level rise at a time when the landscapes of northwest Europe radically changing. These issues are investigated through a case study focused on the Channel Islands. We report on the excavation of two sites, Canal du Squez in Jersey and Lihou (GU582) in Guernsey, and the study of museum collections across the Channel Islands. We argue that people were drawn to this area as a result of the dynamic environmental processes occurring and the opportunities these created. The evidence suggests that the area was a particular focus during the Middle Mesolithic, when Guernsey and Alderney were already islands and while Jersey was a peninsula of Northern France. Insularisation does not appear to have created a barrier to occupation during either the Middle or Final Mesolithic, indicating the appearance of lifeways increasingly focused on maritime voyaging and marine resources from the second half of the 9 th millennium BC onwards.

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Le Mésolithique moyen en Finistère : de nouvelles datations pour le groupe de Bertheaume

Cited by 11 publications

References 1 publication

Palaeoenvironmental reconstructions during the Meso- to Neolithic transition (9.2–5.3 cal. ka BP) in Northwestern France: Palynological evidences

Palaeoenvironmental reconstructions during the Meso- to Neolithic transition (9.2–5.3 cal. ka BP) in Northwestern France: Palynological evidences

Comprendre les systèmes de mobilité au Mésolithique : l’abri-sous-roche de Pont-Glas à Plounéour-Ménez (Finistère)

Rethinking Human Responses to Sea-level Rise: The Mesolithic Occupation of the Channel Islands

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