geology

Public lecture: Hydrothermal fields from the Mid-Atlantic Ridge – The role of brecciate rocks in ore formation

By Isabel Costa (INCITE and IDL-FCUL) Lucky Strike and Menez Gwen hydrothermal fields are located in the Mid-Atlantic Ridge (MAR), southwest of the Azores islands. In the areas surrounding the active sites, the alteration processes affecting basaltic rocks are prominent and form hydrothermal breccias by the circulation of low temperature hydrothermal fluids in diffuse vents. …

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Public lecture: Seafloor Mineral Resources

Public lecture: SEAFLOOR MINERAL RESOURCES by Prof. Vesselin Dekov on 4th Dec., 2018, 6:00pm @ ISE, USJ – Institute of Science and Environment of the University of Saint Joseph. Speakers´ Hall. Rua de Londres 106, Macau, China. 中國澳門倫敦街一零六號(環宇豪庭三樓) Abstract The lecture will discuss the main characteristics, types, mode of formation, occurrence and economic value of …

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Visit: Prof. Ágata Dias visited the Dep. of Earth Sciences of the HKU

On 13th of November Prof. Ágata Alveirinho Dias visited the department of Earth Sciences of the University of Hong Kong. She met Prof Mei-Fu Zhou, Prof. Zhao, Prof. Min Sun and Prof. Jin and worked in the ICP-MS lab running Hf isotopic analyses on zircons from granites of Macau

Visit: Head from COMRA (China) and the Head of EMEPC (Portugal) visit to ISE

The head from COMRA (China) and the Head of EMEPC (Portugal) visited us on May 2015 Aldino Santos de Campos: Head of the Task Group for the Portuguese Continental Shelf Extension / Estrutura de Missão para a Extensão da Plataforma Continental  (EMEPC): http://www.emepc.pt/ LIU Feng: Secretary-General of China Ocean Mineral Resources R&D Association / 中国在国际海底区域的活动及“蛟龙号”载人潜水器的海底发现 (COMRA): http://www.comra.org/2014-04/29/content_6856835.htm …

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Meeting: New geochemical constraints on I-type granites of Macao: evidences for fractional crystallization and petrogenetic affinities with Jurassic-Cretaceous granites in SE China.

Quelhas P, Mata J, Lou U T, Ribeiro M L, Borges R, Dias Á (2018) I-type granites of Macao: evidences for fractional crystallization and petrogenetic affinities with Jurassic-Cretaceous granites in SE China. XIV Congresso de Geoquímica dos Países de Língua Portuguesa e XIX Semana de Geoquímica (XIV CGPLP/XIX SG, 25-29 March 2018, Trás-os-Montes e Alto Douro, …

Meeting: New geochemical constraints on I-type granites of Macao: evidences for fractional crystallization and petrogenetic affinities with Jurassic-Cretaceous granites in SE China. Read More »

Earth Sciences

EArth and Marine Sciences Principal investigator: Ágata Alveirinho DiasOur studies combine tools in mineralogy and petrology, geochemistry (including radiogenic and stable isotope geochemistry) and cartography to research the following two topics: DEEP-SEA HYDROTHERMAL SYSTEMS AND MINERAL DEPOSITS The discovery of hydrothermal fields on the seafloor was one of the greatest scientific discoveries of the last century …

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Ágata Alveirinho Dias (Á. A. Dias)

ÁGATA ALVEIRINHO DIAS ASSOCIATE PROFESSOR PhD in Geology (Crystallography, Mineralogy and Metallogeny; Univ. Lisbon); MSc in Dynamic Geology (FCUL); Graduation in Geology (FCUL). POST-DOC ACTIVITIES: (1) Arctic ultra-low spreading ridges: Jan Mayen and Loki’s Castle Hydrothermal fields, integrated in an European project (H2Deep-EUROCORES); (2) Seafloor hydrothermal systems and associated mineral deposits in the Portuguese EEZ and adjacent areas …

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