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

  1. Rossi Nieto, Carlos
Zeitschrift:
Geogaceta

ISSN: 0213-683X

Datum der Publikation: 1992

Nummer: 12

Seiten: 11-113

Art: Artikel

DIALNET GOOGLE SCHOLAR lock_openArias Montano editor

Andere Publikationen in: Geogaceta

Zusammenfassung

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