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Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo

Bibliographic Details
Main Author: H. Couto
Publication Date: 2011
Format: Article
Language: por
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: https://hdl.handle.net/10216/52536
Summary: The Lower Ordovician oolitic ironstones of Valongo anticline have abundant chamosite and/or siderite. True oolites are rare in the studied levels. Some pseudo-oolites are related to the presence of algae, as evidenced by cathodoluminescence. Iron came from emerged areas and deposited during transgression of Early Ordovician, in a shallow platform protected by barriers, with exhalativesedimentary vent in reducing environment rich in organic matter
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network_name_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
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spelling Minerais de ferro do Ordovícico Inferior do Anticlinal de ValongoCiências da terra e ciências do ambienteEarth and related Environmental sciencesThe Lower Ordovician oolitic ironstones of Valongo anticline have abundant chamosite and/or siderite. True oolites are rare in the studied levels. Some pseudo-oolites are related to the presence of algae, as evidenced by cathodoluminescence. Iron came from emerged areas and deposited during transgression of Early Ordovician, in a shallow platform protected by barriers, with exhalativesedimentary vent in reducing environment rich in organic matter20112011-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/10216/52536porH. Coutoinfo:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2025-02-27T17:01:58Zoai:repositorio-aberto.up.pt:10216/52536Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T22:00:42.701846Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo
title Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo
spellingShingle Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo
H. Couto
Ciências da terra e ciências do ambiente
Earth and related Environmental sciences
title_short Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo
title_full Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo
title_fullStr Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo
title_full_unstemmed Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo
title_sort Minerais de ferro do Ordovícico Inferior do Anticlinal de Valongo
author H. Couto
author_facet H. Couto
author_role author
dc.contributor.author.fl_str_mv H. Couto
dc.subject.por.fl_str_mv Ciências da terra e ciências do ambiente
Earth and related Environmental sciences
topic Ciências da terra e ciências do ambiente
Earth and related Environmental sciences
description The Lower Ordovician oolitic ironstones of Valongo anticline have abundant chamosite and/or siderite. True oolites are rare in the studied levels. Some pseudo-oolites are related to the presence of algae, as evidenced by cathodoluminescence. Iron came from emerged areas and deposited during transgression of Early Ordovician, in a shallow platform protected by barriers, with exhalativesedimentary vent in reducing environment rich in organic matter
publishDate 2011
dc.date.none.fl_str_mv 2011
2011-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://hdl.handle.net/10216/52536
url https://hdl.handle.net/10216/52536
dc.language.iso.fl_str_mv por
language por
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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