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Alexandre Lima

2 linked publication records · Universidade do Porto

Author: Alexandre LimaYear: 2022clear all
Showing 1-2 of 2 records
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SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Science and Technologies in Geology, Exploration And Mining
Publication

GEOPHYSICAL EXPLORATION OF ANTIMONY MINERALIZATIONS: ALTO DO SOBRIDO AND RIBEIRO DA SERRA MINES (PORTUGAL)

(STEF92 Technology, 2022-11-15, Ana Rita Carvalho, Ricardo Ribeiro, Rui Moura, Alexandre Lima)

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The Alto do Sobrido and Ribeiro da Serra Mines, are two antimony-gold mines located in Gondomar, Portugal, and are part of the Durico-Beirao Mining District (DBMD). In this work, we use four geophysical methods, such as gravity, radiometry, magnetic and electromagnetic, to improve the knowledge about these mineralizations and the lithologies and structures associated with them. These four methods allowed us to study these mineralizations through different physical properties. The gravimetric method allowed us to a...

Exploration and Mining2022
SGEM International Multidisciplinary Scientific GeoConference- EXPO Proceedings; 22nd SGEM International Multidisciplinary Scientific GeoConference Proceedings 2022, Science and Technologies in Geology, Exploration And Mining
Publication

PRELIMINARY RESULTS OF ELECTRICAL RESISTIVITY FOR SUBSOIL ENVIRONMENTAL ASSESSMENT OF THE ALIJO LITHIUM RICH PEGMATITE QUARRY, BARROSO, PORTUGAL

(STEF92 Technology, 2022-11-15, Maria Cristina Marques, Rui Moura, Alexandre Lima, Carla Patinha)

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In recent years, with the rise of a growing economic and technological interest in lithium mineral resources, there has been a parallel concern, on the part of some local populations and even national environmental groups, for a hypothetical contamination problem that this type of exploitations may cause on the quality of groundwater. Thus, the present study was based on an evaluation of an open-pit quarry, in the socalled Alijo quarry, located in the North of Portugal, in the parish of Canedo, Ribeira de Pena mun...

Ecology and Environmental Protection2022
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