Bioturbación de invertebrados y microcodium en facies lacustres y fluvialesThanetiense del Valle de Ager (Lérida)

  1. Rossi Nieto, Carlos
Revista:
Geogaceta

ISSN: 0213-683X

Any de publicació: 1992

Número: 12

Pàgines: 11-113

Tipus: Article

DIALNET GOOGLE SCHOLAR lock_openArias Montano editor

Altres publicacions en: Geogaceta

Resum

Lower Thanetian (Paleocene) fluvial and lacustrine deposits in Ager Basin contain frequent invertebrate burrows. These burrows are cylindrical, unlined and internally meniscate or maslve. Four forms are described in detail, showing their relationships with microcodium structures (tin situ* and reworked) and changes in sediment textures. Each trace is characteristic o f d istin c sedim entary and/or ed a p h ic fa c ie s: s h a llo w lacustrine (A 1), palustrine (A2), flood plain soils (:B.2) and crevasse splays (B. 1)

Fuente de los datos: Dialnet