Segundo M. Varela Gomes, responsável pela escavação, em Março de 2000, de um dos dois silos postos a descoberto por trabalhos de construção civil, o enchimento inclui materiais arqueológicos - cerâmicas, moedas e outros artefactos metálicos - e restos de fauna. Indicam tratar-se de lixo, deitado para o silo depois de desactivado; datando dos primeiros tempos da ocupação cristã (segunda metade do séc. XIII), a j...
A malacofauna marinha autóctone colhida no Claustro do Convento de Jesus (Academia das Ciências de Lisboa), inclui 21 espécies de bivalves e 15 de gastrópodes. Muito variada, é compatível com as condições ecológicas no Mar da Palha até a década de 60 do século xx. Desde então, a poluição levou ao desaparecimento de muitas espécies. Predominam moluscos consumidos: mexilhão (Mytilus), ostras( Ostrea, Crassostrea)...
Se estudiaron los dientes de rayiformes provenientes de ocho localidades de la Formación Arenas de Huelva (Plioceno inferior), suroeste de la Cuenca del Guadalquivir, España. La formación inicia con un nivel de limos glauconíticos datado en 5,33 millones de años (González-Delgado et al. 2004), este nivel es rico en dientes de seláceos, suprayacente siguen una secuencia de arenas limosas con diferentes intercal...
Se estudiaron los restos de ictiolitos obtenidos en seis localidades de la Formación Arcillas de Gibraleón (Tortoniense superior - messiniense). Esta Formación se caracteriza en su inicio por um nivel glauconítico, fechado en 7,512-8 millones de años. Suprayacente, aparece un potente tramo de arcillas azules masivas y margas que puede llegar hasta 1.000m encontrados em sondeos. Se encontram dientes de seláceos,...
After some remarks on the protection of sites recognized as most interesting, two less known items about dinosaurs and Portugal are dealt with. The first of theme concerns the first published account on dinosaur tracks. Jacinto Pedro Gomes, then (1884) preparing a report on the Cabo Mondego coal mines, was told of the occurrence of large footprint casts that subsequently were sent to the Museum of the Escola Po...
Guernet & Lauverjat (1986) described a new species, Neocyprideis lusitanicus, from sediments deposited near Aveiro, Portugal. For these authors, some associated fossils (Molluscs, planktonic Foraminifera) indicated a Pliocene age. That seemingly was the first record of Neocyprideis in post-Miocene sediments in Europe. A recent study of Upper Cretaceous material from the same region showed an abundant Neocypride...
A rich uppermost Miocene selachian fauna from the Alvalade Basin (represented by more than 10.000 teeth) is accounted for. It is the most modern miocene fauna of neritic habit under warm-temperate to subtropical conditions, known in the european Miocene.
The section at Cristo Rei shows sandy beds with intercalated clayey lenses (IVb division from the Lisbon Miocene series) that correspond to a major regression event dated from between ca. 17.6 and 17 Ma. They also correspond to a distal position (relatively to the typical fluviatile facies in Lisbon), nearer the basin's axis. Geologic data and paleontological analysis (plant fossils, fishes, crocodilians, land ...
This communication deals with the less known research activities on Palconlology by Octávio da Veiga Ferreira, since just after he became a member of the staff of the Serviços Geológicos de Portugal. These activities lasted for about 25 years (1951-1975, eventually up to 1987). Besides much field and laboralory work, Veiga Ferreira produced (alone or in collaboration} 38 papers. These concern vertebrates, echin...
Correlation between facies associations (marine, estuarine and distal fluviatile environments) and disconformities, observed between Foz da Fonte (SW of Setúbal Peninsula) and Santa Iria da Azóia (NE of Lisbon) are presented. The precise definition of the marine-continental facies relationships improved very much the chronology of the depositional sequence boundaries. Tectonic and eustatic controls are discusse...
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