Pedro Sousa

Universidade do Porto

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J. Carvalho

National Laboratory of Energy and Geology

João Xavier Matos

National Laboratory of Energy and Geology

Patrícia Represas

National Laboratory of Energy and Geology

Vítor Araújo

Lundin Mining (Portugal)

Luís Albardeiro

National Laboratory of Energy and Geology

Carlos Inverno

National Laboratory of Energy and Geology

Igor Morais

National Laboratory of Energy and Geology

Carlos Rosa

University of Lisbon

I. Granado

National Laboratory of Energy and Geology

Fábio Marques

National Laboratory of Energy and Geology

Cooperative Institutions

National Laboratory of Energy and Geology

National Institute of Engineering, Technology and Innovation

Instituto Geológico y Minero de España

University of Lisbon

Instituto Geológico

University of Aveiro

Instituto Dom Luiz

IdMind (Portugal)

Consejo Superior de Investigaciones Científicas

Lundin Mining (Portugal)

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Integration of seismic, well, potential-field and geological data for ore prospecting in the Iberian Pyrite Belt

72nd EAGE Conference and Exhibition - Workshops and Fieldtrips (2010)

J. Carvalho Pedro Sousa João Xavier Matos C. Pintoa

Ore prospecting using gravimetric and magnetic data has become one of the traditional approaches in the last decades, often complemented with electric and electromagnetic methods. However, due to the problem of non-uniqueness inherent to potential-filed modelling, constrains provided by structural methods such as seismic reflection are often used. During the exploration of massive sulphide polimetallic minerals in the Iberian Pyrite Belt Figueira de Cavaleiros sector, located in the Sado Tertiary Basin, several gravimetric and magnetic anomalies were considered as interesting targets. In order to reduce ambiguity of the gravimetric modelling and to confirm the geological model of the area, two seismic reflection profiles were acquired. The interpretation of these profiles was assisted by three mechanical boreholes, two of them located in the research area, in order to make a seismostratigraphic interpretation. Unfortunately, the gravimetric modelling suggests that the anomaly has a lithological and structural origin and is not related with massive sulphides. Nevertheless, a good agreement between the seismic and potential-field data was achieved and new insights into the geological model for the region were obtained form this work, with accurate data about the Tertiary cover and Palaeozoic basement.

Prospecting

Reflection

Basement

Lithology

Mineral exploration

10.3997/2214-4609.20149976

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Citations (0)

Geophysical characterization of the Cercal Paleozoic structure, Iberian Pyrite Belt, from a mineral exploration perspective

Journal of Applied Geophysics (2023)

Lorena Malta Feitoza J. Carvalho Patrícia Represas Elsa Ramalho Pedro Sousa

Stockwork

Outcrop

Felsic

10.1016/j.jappgeo.2023.105258

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Citations (1)

3D Constrained Gravity Inversion and TEM, Seismic Reflection and Drill-Hole Analysis for New Target Generation in the Neves–Corvo VMS Mine Region, Iberian Pyrite Belt

Natural Resources Research (2022)

Fábio Marques Pedro Dias J. Carvalho Patrícia Represas Bill Spicer

Drill hole

Lithology

Mineral exploration

10.1007/s11053-022-10081-4

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Citations (6)

The Iberian Pyrite Belt: Introduction and Geological Setting

Mineral resource reviews (2015)

Carlos Inverno C. Ayala Pedro Sousa

Source

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Citations (14)

Modelling of the Neves Corvo Area

Mineral resource reviews (2015)

Carlos Inverno Carlos Rosa João Xavier Matos J. Carvalho J. M. Castello-Branco

Flysch

Viséan

10.1007/978-3-319-17428-0_11

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Citations (5)

Brazilian Amazônia, deforestation and environmental degradation: Analyzing the process using game, deterrence and rational choice theories

Environmental Science & Policy (2021)

Thiago Lima Klautau de Araújo Pedro Sousa Ulisses M. Azeiteiro Amadeu M.V.M. Soares

Deforestation

Deterrence

Forest degradation

Environmental degradation

Deterrence theory

10.1016/j.envsci.2020.12.010

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Citations (8)

Introduction and Geological Setting of the Iberian Pyrite Belt

Mineral resource reviews (2015)

Carlos Inverno Alejandro Díez Montes Carlos Rosa Jesús García-Crespo João Xavier Matos

Felsic

Dacite

Breccia

Stratovolcano

10.1007/978-3-319-17428-0_9

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Citations (32)

Processing and interpretation of gravity, magnetic and radiometric data of the Neves-Corvo region, Iberian Pyrite Belt, Portugal

EGU General Assembly Conference Abstracts (2019)

Fábio Marques João Xavier Matos J. Carvalho Pedro Sousa Maria João Batista

Radiometric dating

Source

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Citations (0)

Subsurface mapping in the Iberian Pyrite Belt using seismic reflection profiling and potential-field data

International Journal of Earth Sciences (2016)

J. Carvalho Carlos Inverno João Xavier Matos Carlos Rosa I. Granado

Outcrop

Horst

Flysch

10.1007/s00531-016-1340-1

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Citations (10)

Ore prospecting in the Iberian Pyrite Belt using seismic and potential-field data

Journal of Geophysics and Engineering (2011)

J. Carvalho Pedro Sousa João Xavier Matos Carlos Cristóbal Pinto

Ore prospecting using gravimetric and magnetic data has become one of the traditional approaches used in past decades, often complemented with electric and electromagnetic methods. However, due to the problem of non-uniqueness inherent to potential-field modelling, constraints provided by structural methods such as seismic reflection are often used. During the exploration of polymetallic massive sulfide minerals in the Iberian Pyrite Belt, Figueira de Cavaleiros sector, located in the Sado Tertiary Basin, several gravimetric and magnetic anomalies were considered to be interesting targets. In order to reduce any ambiguity in the gravimetric modelling and to confirm the geological model of the area, two seismic reflection profiles were acquired. The interpretation of these profiles was assisted by three mechanical boreholes, two of which were located in the research area to make a seismostratigraphic interpretation. Unfortunately, the gravimetric modelling suggests that the anomaly has a lithological and structural origin and is not related to massive sulfides. Nevertheless, a good agreement between the seismic and potential-field data was achieved and new insights into the geological model for the region were obtained from this work, with accurate data about the Tertiary cover and Palaeozoic basement.

Prospecting

Reflection

Basement

10.1088/1742-2132/8/2/002

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Citations (11)