Publication: Estratigrafía
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Publication Date
1992
Authors
Rodríguez, Sergio
Peña, José Andrés de la
Falces, Santiago
Gegúndez, P.
Martínez Chacón, María Luisa
Moreno-Eiris, Elena
Perejón, Antonio
Sánchez, J.L.
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Universidad Complutense de Madrid, Servicio de Publicaciones
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Abstract
The stratigraphic succession of Los Santos basin can be divided in three groups: a
lower group composed mainly of greywackes and volcanie rocks, a middle carbonate
group, and an upper siliciclastie group.
SANCHEZ el uf (1988) described four lirbologie units (1-4) in the Jower part of the
carbonate sediments based on five stratigraphic seetions iii tbe southern part of the basin.
RODRÍGUEZ et al., in press) defined duce units, including the upper part of tbe
carbonate rocks (5-6)and the upper siliciclastic rocks (7), based on six new stratigraphic
sections, also in the southern area. Finally, FALCES (1991) briefly deseribed 4w lower
siliciclastic unit (0), and characterized the variations of the units 1 to 7 on dic basis of
several stratigraphical sections in the northern part of the basin:
ihe calcareous Units 1,3,4 and 6 yielded abundant fossils and perniited a precise
biostratigraplw, based mainly in foraminifers, corals and brachiopods. Sorne Goniatites,
conodonts and algae provided additional data.