On 10th January, 2020, a field trip to Cabo Espichel was organized for the 10A and 10 B classes.  The meeting point was scheduled for 8.30 am in front of the entrance gate of the Daniel Sampaio Secondary School, thus starting this field trip. Following a long journey to the destination, a questionnaire was handed to each student to be filled in during the trip. The first stop was at Praia da Foz da Fonte, where the division between the rocks of the Lower Cretaceous (Aptiano-Albiano) and the Lower Miocénico (Burdigaliano) was observed. At the end of this stop it was possible to see abundant old lava streams. Meanwhile, the classes responded to their questionnaires.

After a long and steep path, we arrived at the second stop, where the classes were divided into their respective forms. The 10ºA class went to the Jazida de Lagosteiros and the 10ºB class went to the Jazida da Pedra da Mua. In  Jazida de Lagosteiros, it was possible to find ichnofossils, dinosaur footprints, from the Lower Cretaceous Period respectively of a sauropod (Iguanodon) and a theropod. Then the two groups swapped locations. At Jazida da Pedra da Mua was possible to locate, but with some difficulty, footprints of sauropods from the late Upper Jurassic Period (145 M years). These fossils are linked to the myth of Nossa Senhora da Pedra da Mua. According to the legend this trail results from the footprints left by a giant mule that transported the Virgin from sea level to the top of the cliff.

The penultimate stop was at the Sanctuary of Nossa Senhora do Cabo, where the students and teachers took a break to have lunch and continue the questionnaire. After lunch the myth was narrated in more detail. Continuing on the bus until the last stop, Pedreira do Avelino, in Sesimbra, we were able to observe the presence of some more sauropod footprints, particularly from the Upper Jurassic (155 M years). At the end of the visit, the classes completed the questionnaires and handed them over to their respective teachers before continuing the journey. The visit ended at 4 pm in front of the gates of the Daniel Sampaio Secondary School. As part of this visit, it was possible to conclude that in Portugal there are several ichnofossils of dinosaurs from different periods. We could understand more about the dinosaurs that once inhabited our country and with this we are able to say that Portugal is one of the countries with the most traces of dinosaurs in Europe and thus we have an increased responsibility to conserve them for future generations to appreciate.



André Nabais nº4 e Guilherme Melo nº 18



Publicidade - Saiba mais