Paulo E. Fonseca
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View article: Heterogeneous deformation in fold and thrust belts induced by anisotropies in the ocean topography; the South Portuguese Variscan Zone example (SW Portugal)
Heterogeneous deformation in fold and thrust belts induced by anisotropies in the ocean topography; the South Portuguese Variscan Zone example (SW Portugal) Open
The Variscan fold and thrust belt related with the South Portuguese Zone presents a SW forward propagation and the coeval development of synthetic folds and thrusts pervasive at all scales. Although several models have been proposed for th…
View article: Selective transport and deposition of magnetic particles during speleothem growth
Selective transport and deposition of magnetic particles during speleothem growth Open
During the last decades, advances in the field of speleothem’s magnetism opened a new door to investigate high-resolution and short-lived features of the Earth’s magnetic field. Due to the rapid precipitation of calcite/aragoni…
View article: Utilização de poliestireno expandido na composição de blocos sustentáveis para alvenaria
Utilização de poliestireno expandido na composição de blocos sustentáveis para alvenaria Open
View article: Heterogeneous deformation in fold and thrust belts induced by anisotropies in the ocean topography; the South Portuguese variscan zone example (SW Portugal)
Heterogeneous deformation in fold and thrust belts induced by anisotropies in the ocean topography; the South Portuguese variscan zone example (SW Portugal) Open
The Variscan fold and thrust belt related with the South Portuguese Zone presents a SW forward propagation and the coeval development of synthetic folds and thrusts pervasive at all scales. Although several models have been proposed for th…
View article: How to map potential mesovoid shallow substratum (MSS) habitats? A case study in colluvial MSS
How to map potential mesovoid shallow substratum (MSS) habitats? A case study in colluvial MSS Open
Understanding habitat extension that limits species distribution is a crucial tool for management and conservation, in which habitat mapping plays a pivotal role. The mesovoid shallow substratum (MSS) is a type of shallow subterranean habi…
View article: Paleoprecipitations recorded by rock magnetic properties of stalagmites from the Gruta da Ceramica, Portugal
Paleoprecipitations recorded by rock magnetic properties of stalagmites from the Gruta da Ceramica, Portugal Open
Speleothems are potential candidates for paleomagnetic and paleoclimatic reconstructions. Recent studies suggest that the abundance of magnetic minerals trapped in the calcite laminae of stalagmites is controlled by paleoclimatic and paleo…
View article: “Serum ferritin – a nutritional marker for Anorexia Nervosa?”
“Serum ferritin – a nutritional marker for Anorexia Nervosa?” Open
Introduction: A new marker that correlates with nutritional recovery in Anorexia Nervosa would be of great value. Our study aimed to analyse the influence of Body Mass Index variations on serum ferritin levels in adolescents with Anorexia …
View article: Taxas de drenagem a partir de cenários com técnica compensatória de telhado verde com uso do modelo SWMM
Taxas de drenagem a partir de cenários com técnica compensatória de telhado verde com uso do modelo SWMM Open
35 litros por segundo e após a implantação do telhado verde passaram para 4,68 litros por segundo.
View article: Anorexia Nervosa and Peripheral Vasospasm: A Case Report
Anorexia Nervosa and Peripheral Vasospasm: A Case Report Open
Anorexia nervosa is an eating disorder associated with several medical conditions that are directly related to weight loss and starvation, including cardiovascular events and peripheral vascular disorders. We present a case report of a 15-…
View article: Modelação Análoga
Modelação Análoga Open
Podemos correr montes e vales com os alunos, cativando-os para a geodiversidade local, sem que eles alguma vez nos questionem sobre as estruturas geológicas que se escondem debaixo dos seus pés. Complementando aquilo que se aprende no camp…
View article: Do roubo de catalisadores às inundações da Europa
Do roubo de catalisadores às inundações da Europa Open
Vivemos num mundo, pelo menos estranho! As notícias de todos os dias são a prova disto mesmo. Jornais e televisões noticiam o roubo de catalisadores em automóveis, tanto em cidades como em pequenas povoações. E para quê? Para extrair metai…
View article: Geochemical Considerations from the Carboniferous Unconventional Petroleum System of SW Iberia
Geochemical Considerations from the Carboniferous Unconventional Petroleum System of SW Iberia Open
The Baixo Alentejo Flysch Group (BAFG) is an important stratigraphic unit that covers over half of the South Portuguese Zone (SPZ) depositional area, and it is composed by three main tectono-stratigraphic units: the Mértola, Mira, and Brej…
View article: Prasinophyte bloom and putative fungi abundance near the Kačák event (Middle Devonian) from the Odivelas Limestone, Southwest Iberia
Prasinophyte bloom and putative fungi abundance near the Kačák event (Middle Devonian) from the Odivelas Limestone, Southwest Iberia Open
View article: A respeito de falhas...
A respeito de falhas... Open
Geradoras de sismos, as falhas são um dos elementos mais importantes das movimentações que se verificam à superfície da Terra. Na grande maioria das vezes reportamo-nos a estes movimentos como ocorrendo em regime frágil, i.e., rompem ou pa…
View article: Dominó
Dominó Open
Por ser uma imagem muito clara e de fácil explicação é muitas vezes apresentada aos alunos, quando se visita a Arrifana, no Grupo de Flysch do Baixo Alentejo, Unidade de Brejeira. A estrutura apresentada, com a "leitura estrutural" desenha…
View article: Notícias
Notícias Open
View article: Modas em Ciências? ...hum...má ideia!
Modas em Ciências? ...hum...má ideia! Open
A inquietação e o sobressalto do pensamento são dois dos pontos base de quem se dedica ao Ensino e à Investigação. Com uma maior ou menor intensidade quanto à consciência (e cada qual tem a sua, e é das poucas coisas que nunca vai ser padr…
View article: Groundwater Natural Contamination by Toluene in Beja and Faro Districts, Portugal
Groundwater Natural Contamination by Toluene in Beja and Faro Districts, Portugal Open
The focus area is located along Beja and Faro districts (southwestern of Portugal), where the Baixo Alentejo Flysch Group exists, is composed of the Mértola, Mira, and Brejeira Formations. The aim of this article is to characterize the gro…
View article: Adolescência
Adolescência Open
View article: Crustal seismic structure beneath Portugal and southern Galicia (Western Iberia) and the role of Variscan inheritance
Crustal seismic structure beneath Portugal and southern Galicia (Western Iberia) and the role of Variscan inheritance Open
View article: Crustal Seismic Structure beneath Portugal (Western Iberia) and the role of Variscan Inheritance
Crustal Seismic Structure beneath Portugal (Western Iberia) and the role of Variscan Inheritance Open
Mainland Portugal comprises most of theWestern portion of the Iberian Peninsula, in a geodynamic setting associated\nwith the Africa-Eurasia plate boundary. The crustal structure in Portugal is the result of a complex assemblage\nhistory o…
View article: Bacia hidrográfica
Bacia hidrográfica Open
A bacia hidrográfica é um conceito e um termo que podem ser abordados de um modo complexo e integrador, no entanto para os primeiros níveis de ensino pode ser explicado de um modo mais simples. Assim, para uma explicação mais simples que s…
View article: Modificação de betumes com aditivos líquidos para aplicação em países tropicais
Modificação de betumes com aditivos líquidos para aplicação em países tropicais Open
A modificação de betumes é uma das soluções mais utilizadas na pavimentação, sobretudo em países com climas quentes, pois permite minimizar problemas tais como o fendilhamento, o envelhecimento do betume, e em especial as deformações perma…
View article: Iberian Southwest Middle Bronze Age Reading social complexity in greenstone beads from the cist necropolis of Sines
Iberian Southwest Middle Bronze Age Reading social complexity in greenstone beads from the cist necropolis of Sines Open
The results of chemical and mineralogical analysis of a set of greenstone beads from the Middle Bronze Age cemeteries of Provença and Pessegueiro in the region of Sines (southwest Portuguese coast) showed that these adornments were not mad…
View article: À conversa com o geólogo Paulo Fonseca
À conversa com o geólogo Paulo Fonseca Open
Paulo Emanuel Talhadas Ferreira da Fonseca, Professor do Departamento de Geologia da Faculdade de Ciências da Universidade de Lisboa - GeoFCUL, e membro da Comissão Editorial da Casa das Ciências é o nosso entrevistado deste trimestre. O s…
View article: Modelação análoga de um episódio da Geologia de Portugal
Modelação análoga de um episódio da Geologia de Portugal Open
View article: The emergence of volcanic oceanic islands on a slow‐moving plate: The example of <scp>M</scp>adeira <scp>I</scp>sland, NE <scp>A</scp>tlantic
The emergence of volcanic oceanic islands on a slow‐moving plate: The example of <span>M</span>adeira <span>I</span>sland, NE <span>A</span>tlantic Open
The transition from seamount to oceanic island typically involves surtseyan volcanism. However, the geological record at many islands in the NE Atlantic—all located within the slow‐moving Nubian plate—does not exhibit evidence for an emerg…
View article: Diachronic collision, slab break-off and long-term high thermal flux in the Brasiliano–Pan-African orogeny: Implications for the geodynamic evolution of the Mantiqueira Province
Diachronic collision, slab break-off and long-term high thermal flux in the Brasiliano–Pan-African orogeny: Implications for the geodynamic evolution of the Mantiqueira Province Open