Carbon isotope record (d13Ccarbonate) of the Middle to Late Jurassic (Callovian - Oxfordian) from the Algarve Basin, Portugal

The Algarve Basin is an important Mesozoic depocentre located in southern Portugal which formed during the succesive phases of the North Atlantic rifting following the break-up of Pangea [1]. Several unconformities related to compressive episodes are observed in the stratigraphic record of the Algar...

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Bibliographic Details
Main Authors: Borges, Marisa, Fernandes, Paulo, Rodrigues, Bruno, Goodhue, R.
Format: Conference Object
Language:Portuguese
Published: 2014
Subjects:
Carbom
Late jurassic
Tilting
ice core
North Atlantic
Online Access:http://hdl.handle.net/10400.1/5086
Description
Summary:The Algarve Basin is an important Mesozoic depocentre located in southern Portugal which formed during the succesive phases of the North Atlantic rifting following the break-up of Pangea [1]. Several unconformities related to compressive episodes are observed in the stratigraphic record of the Algarve Basin. One of these episodes ocurred in the transition from Middle to Upper Jurassic times and is marked by an important tectonic episode, observed throughout Iberia [1], that caused the tilting and folding of the Middle Jurassic strata. This situation can be observed at Benaçoitão, where Oxfordian limestones rest unconformably over tilted Middle Callovian marly limestones. In this work we present !13Ccarbonate data across the Middle and Upper Jurassic rocks from the Algarve Basin at Benaçoitão. SGER - µ-Raman Analysis of Ice-Core Samples

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