Late Bartonian (Eocene) Lacustrine Limestone of the Touraine Basin, France

• Autores: Léopold Rasplus, François Menillet
• Localización: Lake basins through space and time / coord. por Elizabeth H. Gierlowski-Kordesch, K. Kelts, 2000, ISBN 0891810528, págs. 343-347
• Idioma: inglés
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• Resumen

  • The Touraine Basin is a syncline basin formed in remote association with the Alpine orogeny. Basin fill for the lower Eocene is represented by alluvial sandstonesor silcretes. This sequence is topped by the Calcaire lacustre de Touraine (lacustrine limestones of Touraine), which is given a late Bartonian (lateLudian) age (Cavelier et al., 1979), although somethin overlying limestones yield a late Stampian age.Overlying these limestones are either the sandstones and clays of the uppermost Eocene Brenne Formationin the southern part of the basin, Neogenemarine deposits (faluns), or Neogene alluvial clayey sands (Rasplus, 1987). This contribution focuses on the sedimentary details of the Calcaire lacustre deTouraine (CLT).