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Publicações

Publicações por Rui Moura

2023

AZOREAN LAVA TUBE SYSTEMS: A PROPOSAL FOR A NEW PLANETARY ANALOG SITE TOWARDS FUTURE LUNAR AND MARTIAN EXPLORATION RESEARCH

Autores
Pires, AC; Moura, R; Nunes, JC; Barcelos, P; Caetano, P; Quinteiro, P; Gonzalez Serricchio, S; Gonzalez, Y; Andrejkovicová, S; Niel, P; Chaminé, I;

Publicação
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM

Abstract
The significance of analog studies using lava tubes on Earth to inform on the design of future lunar and Martian missions is aimed at exploring and utilising those structures as potential habitats on those planetary bodies. Lava tubes, natural subsurface cavities formed by volcanic activity, have several characteristics that make them appealing for human habitation on the Moon and Mars. Researchers conducting analog studies on Earth can gain valuable insights into the geological, environmental, engineering, crew and robotic challenges associated with lunar or Martian lava tube exploration and housing. This work reviews some scientific characteristics of an Azorean lava tube system that can contribute towards analog studies and their potential to help plan and design lunar and Martian missions. Human and robotic planetary exploration has garnered considerable attention recently, focusing on identifying potential habitats for future human missions. Lava tubes, formed by molten lava flowing beneath the solidified crust, offer natural subsurface shelters with numerous advantages for lunar or Martian habitation. This work provides insight into one of a lava tube structures, in Terceira island in the Azores archipelago. This structure would be adequate for analog studies that can contribute to the design of missions, providing valuable protocols for geological, geophysical and engineering tasks and potentially facilitating the development of sustainable lunar or Martian habitats. © 2023 International Multidisciplinary Scientific Geoconference. All rights reserved.

2013

The application of non invasive geophysical techniques for the diagnosis and conservation of stone cultural heritage: The case of a Portuguese fifteenth century tomb

Autores
Dionísio, A; Martinho, E; Almeida, F; Grangeia, C; Mendes, M; Moura, R; Caldas, J;

Publicação
Science and Technology for the Conservation of Cultural Heritage

Abstract
Results of self-potential, seismic reflection and refraction, Infrared spectroscopy, ion chromatography and IR thermography survey performed over a Portuguese artistic tomb made of a porous limestone are presented. The tomb presents nowadays severe decay phenomena. The decay products associated to the decay patterns observed are mainly related with the presence of salts, namely nitrates and secondarily of chlorides. The self-potential and the thermography survey allowed verifying that moisture degrees change in different side walls of the tomb. The seismic methods showed there is no clear interface between undamaged and damaged stone material where the limestone is soft and the strength is slightly lower in the most humid zones. © 2013 Taylor & Francis Group, London.

2022

Geophysics and drilling in the tectonic and geological study of the region West of Estarreja [Geofísica e sondagens no estudo tectónico e geológico da região a Oeste de Estarreja]

Autores
Marques, T; Moura, R; Machadinho, A; Matias, M;

Publicação
Comunicacoes Geologicas

Abstract
The region West of Estarreja is topographically flat and, from the geological point of view, characterized by Quaternary and Cretaceous formations that lie discordantly over Pre-Cambrian schists. The topography of this contact is poorly known and, therefore, is investigated here. Data from drilling, electrical resistivity profiles and gravity mapping, over a 30 km2 area bounded on the Eastern side by the “Norte” Railway line and on the Western by the Ria de Aveiro that separates Murtosa from Torreira, are jointly interpreted to produce a robust model for the topography of the bedrock. Hence, NW-SE alignments, inferred by previous works, are clearly identified. Bedrock depressions are also proposed and agree with previous geophysical models from areas to the South of the region herein investigated. © 2022 LNEG – Laboratório Nacional de Energia e Geologia IP.

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