Sobre a importância da ocorrência de celestite no Cabo Mondego: singularidade, importância científica e implicações materiais

Translated title of the contribution: On the importance of celestite occurrence in Cabo Mondego (Jurassic, West Portugal): uniqueness, scientific importance and material implications

Ricardo Jorge Pimentel, José M. Soares Pinto, José Manuel Brandão, Pedro Miguel Callapez, Rodrigo Pinto

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

In the late 1970’s, when the new northern Cabo Mondego quarry began to mine, a large number of geodes and nodules containing prismatic crystals and white masses, occasionally with hues of light blue, of celestine (strontium sulphate) appeared on the blasting fronts. This occurrence of celestine has been known since the 19th century, being considered exceptional in the national context and thus constituting the most remarkable known occurrence of this mineral in Portugal.
Celestine and paragenesis developed, by diagenetic processes, inside ammonite fossils. Samples were used in pioneering works about this mineral species that
are part of classical Mineralogy and Crystallography texts from the 19th century and first quarter of the 20th century.
Translated title of the contributionOn the importance of celestite occurrence in Cabo Mondego (Jurassic, West Portugal): uniqueness, scientific importance and material implications
Original languagePortuguese
Title of host publicationSantos Rocha
Subtitle of host publicationArqueologia e territórios da Figueira da Foz
EditorsAna Margarida Ferreira, Raquel Vilaça
Place of PublicationCoimbra
PublisherMunicípio da Figueira da Foz/ Instituto de Arqueologia - Universidade de Coimbra
Pages256-267
Number of pages11
ISBN (Print)978-989-8903-48-8
Publication statusPublished - 2021

Keywords

  • Celestite
  • Mineralogia
  • Cabo Mondego

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