Publication: The Cabo Mondego section as a possible Bajocian
boundary stratotype
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Publication Date
1990
Authors
Rocha, Rogério B
Henriques, María Helena Paiva
Soares, Antonio
Mouterde, René
Caloo, Brigitte
Ruget, Christiane
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Servizio geologico nazionale
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Abstract
The Cabo Mondego section situated on the
Atlantic coast, 160 km north of Lisbon, presents characteristics
of a good boundary stratotype section (G.S.S.P.).
The outcrop is easily accessible and well exposed near the
sea where the erosion process is continuous. The section
shows a thick succession of clay limestones with a regular sedimentation
and belongs to a sedimenrary basin whose palaeogeography
is already well established.
The variety and abundance of cephalopods provide good
correlation between the submediterranean and the subboreal
provinces.
This section has already been considered during the discussion
on the definition of the boundary stage (Orsay meeting,
1970).