Sépiolite et silicifications,indicateurs de paléoenvironnement lacustre, au sommet des calcaires cénozoïques du Berry (Bassin de Mehun-sur-Yèvre, Cher)

Person, Alain; Tourenq, J.; Trochon, Taïna

doi:10.1016/s0016-6995(94)80046-4

Cited by 4 publications

(1 citation statement)

References 9 publications

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“…While most research has focused on these two types of flint, many other formations containing SRO in the mid-Loire Valley region have supplied SRO material, that were sometimes extensively used prehistorically and have been recovered far from their sources (Delvigne 2016). However, much of the regional diversity of SRO -in both genetic and gitological terms (see 2 below) -remains unknown and only a few publications provide details on this subject (e.g., Aubry 1991;Debrand-Passard 1982;Delvigne 2016;Gratier & Macaire 1978;Irribaria 1992;Lablanche 1982;Lethrosne & Despriée 2014;Lorenz 1992;Mouhsine 1994;Person et al 1994;Piboule et al 2018;Primault 2003a;Surmely 2008;Thiry et al 1983;Valensi 1953;1954). There is a difference therefore in the quality and quantity of data available in the literature and in lithotheques in terms of geographical distribution and relevant geological formations.…”

Section: Journal Of Lithic Studiesmentioning

confidence: 99%

Grand-Pressigny was not alone: Acquiring and sharing data about raw materials in the collective research project “Réseau de lithothèques en région Centre-Val de Loire” (France)

Delvigne

Fernandes

Tufféry

et al. 2018

JLS

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In the wake of the discovery of numerous large blade workshops at Le Grand-Pressigny site (Indre-et-Loire, France), which initially aroused great interest, the mid-Loire Valley region became central to studies of flint diffusion. Despite the quality of the initial work, the widely shared view now is that the capacity for this concept to continue to provide useful archaeological modelling has diminished. Establishing real and actual correlations between archaeological objects and geological samples remains difficult, making it almost impossible to determine the source of certain materials represented in an archaeological series. In response to this problem, the French collective research project "Réseau de lithothèque en région Centre-Val de Loire" assembled about 30 amateur and professional researchers from various European institutions to work on three strategic missions: Mission 1: establish a list of current lithotheques (“rock-libraries” or comparative collections), verify their contents and complete them if necessary; Mission 2: link the major types of depositional environments with the properties acquired by flint through its life; Mission 3: spread knowledge and information both within the project and to all interested persons. The project is closely associated with similar French programs already in place in Auvergne-Rhône-Alpes and Aquitaine regions. The ultimate objective is to build a national and international community around a common project, bringing participants together regularly to share knowledge and technical expertise.

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