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L'abri sous roche Cadet 3 (Marie-Galante) : un gisement à accumulations de faune et à vestiges archéologiques

Abstract : A 2 m² recognition test pit was undertaken in 2004 in this small rock shelter, immediately nearby Grotte Cadet 2. The excavation revealed a 1,20 m thick sedimentary infilling. The sediments blocked behind an accumulation of blocks at the cave entrance accumulated since the late Pleistocene and during the Holocene. The lower part of the infilling is composed of phosphate deposits rich in vertebrate faunal remains, land snails and land crabs. The basis of this level was dated to about 13 800 BC. The upper part of the sequence yielded traces of a late Neoindian occupation dated to about AD 1000 and of subsequent historical remains. About fifty taxa were identified. The stratigraphic sequence therefore reveals the history of the animal peopling and subsequent anthropization of the Guadeloupean environments. The deepest layers have yielded a high diversity of Chiroptera, avian, saurian and amphibian fauna. The part of native vertebrate species decreases progressively: this fact probably reflects an direct (introduction, predation) or indirect (ecosystem disturbance) anthropization of the environments. On the other hand, the part of land snails and land crabs grows substantially. Finally, the upper levels, related to post-Columbian deposits, illustrate a rather sudden stop in the cavity's use by the small native insular fauna and a dramatic drop in vertebrates' diversity. The old world domestic taxa then compose most of the taphocenose of the shelter. The faunal associations enable to partially infer the composition of the surrounding environments during each period. However this reading is made complex given the multiplicity of agents responsible in these accumulations, a point which is discussed in this paper. Finally this assemblage offers a remarquable stratified series, quite new for the Lesser Antilles islands.
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Submitted on : Tuesday, May 6, 2014 - 10:01:01 PM
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Christian Stouvenot, Sandrine Grouard, Salvador Bailon, Dominique Bonnissent, Arnaud Lenoble, et al.. L'abri sous roche Cadet 3 (Marie-Galante) : un gisement à accumulations de faune et à vestiges archéologiques. 50 ans d'archéologie caribéenne. 1961-2011. 24e congrès de l'Association Internationale de l'Archéologie de la Caraïbe (AIAC), Jul 2011, Fort-de-France, Martinique. pp.126-140. ⟨hal-00964056⟩

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