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  • 1
    Call number: https://doi.org/10.1144/SP407
    In: Geological Society special publication
    Description / Table of Contents: This Special Publication is dedicated to heritage stone: those natural stones that have special significance in human culture. Some stones that have had important uses in the past are now neglected because theyare no longer extracted. Others are still commercially important, but their heritage uses have not beenwell documented in widely available sources. The Heritage Stone Task Group of the International Unionof Geological Sciences is working to establish a new formal designation of 'Global Heritage StoneResource' to recognize those stones that have had internationally significant architectural and ornamentaluses. The aim is to spread awareness of the cultural heritage aspects of these stones, to help to encouragecontinued supply for maintenance and repair of important monuments and to preserve historically importantquarries. The aim is neither to promote nor to limit these stones for new construction: in some cases continuingcommercial use might help to ensure future supplies for building conservation purposes.
    Type of Medium: 12
    Pages: 1 Online-Ressource (VI, 275 Seiten)
    ISBN: 9781862396951 (electronic) , 9781862396852 (print)
    Series Statement: Geological Society special publication 407
    URL: Cover
    Language: English
    Note: Introduction -- Procedures and criteria for the definition of Global Heritage Stone Resources -- The 'Global Heritage Stone Resource' designation: past, present and future -- Global stone heritage: Larvikite, Norway -- The Hallandia gneiss, a Swedish heritage stone resource -- The Kolmården serpentine marble in Sweden: a stone found both in castles and peoples homes -- Global Heritage Stone: Estremoz Marbles, Portugal -- Contribution of Portuguese two-mica granites to stone built heritage: the historical value of Oporto granite -- Piedra Pajarilla: a candidacy as a global heritage stone resource for Martinamor granite -- The Sierra Nevada serpentinites: the serpentinites most used in Spanish heritage buildings -- Villamayor Stone (Golden Stone) as a Global Heritage Stone Resource from Salamanca (NW of Spain) -- Colmenar Limestone, Madrid, Spain: considerations for its nomination as a Global Heritage Stone Resource due to its long term durability -- Carrara Marble: a nomination for Global Heritage Stone Resource from Italy -- Rosa Beta granite (Sardinian Pink Granite): a heritage stone of international significance from Italy -- Pietra Serena: the stone of the Renaissance -- Ornamental stones of the Verbano Cusio Ossola quarry district: characterization of materials, quarrying techniques and history and relevance to local and national heritage -- Stone materials used for monumental buildings in the historical centre of Turin (NW Italy): architectonical survey and petrographic characterization of Via Roma -- Podpec limestone: a heritage stone from Slovenia -- Stone heritage in Southeast Slovenia -- Ornamental stone in the history of St Petersburg architecture -- Natural stone in the built heritage of the interior of Brazil: the use of stone in Minas Gerais -- Piedra Mar del Plata: An Argentine orthoquartzite worthy of being considered as a Global Heritage Stone Resource..
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  • 2
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract Four new U/Pb-zircon ages are reported from northern Vestranden, the northernmost part of the Western Gneiss Region of Norway, Scandinavian Caledonides. The age of a basement tonalite (1819±6 Ma), together with earlier datings on granites, indicates that the dominantly granitoid basement in Vestranden began to form more than 1800 Ma years ago. The minimum age of a subsequent Precambrian migmatization event is given by a U/Pb age of 1630±80 Ma found a granite dyke which cuts migmatitic veining in the basement gneisses. While age and lithology suggest general similarity and thereby favour a correlation between the basement granites of the northern part of Vestranden and Svecofennian granites farther to the east, no detailed chronological information is at present available that support such a correlation. No Sveconorwegian-Grenvillian ages have previously been reported from northern Vestranden. Also in the presently studied cases events between c. 1630 Ma and 430 Ma ago did not affect the U-Pb isotope system of zircons. About 430 Ma ago, substantial parts of Vestranden experienced Caledonian high-grade metamorphism and partial anatectic melting. Migmatite neosomes in northern Vestranden, yielded an U/Pb zircon age of 434±22 Ma. Relatively high temperatures persisted throughout much of the Silurian and probably into the Devonian. Large amounts of pegmatite intruded at the end of this period. One of these dykes yielded an U/Pb-zircon age of 404±2 Ma.
    Abstract: Résumé Cette note fait état de 4 nouvelles déterminations d'âge (méthode U/Pb sur zircon) dans le Vestranden septentrional, qui forme la partie nord de la région gneissique occidentale de la Norvège (Calédonides). L'âge d'une tonalite (1819±6 Ma), joint à des datations antérieures effectuées sur des granites, indique que la formation du socle granitoîde dans le Vestranden a commencé il y a plus de 1800 Ma. L'âge maximal d'une migmatitisation précambrienne ultérieure est donné par la mesure de 1630±80 Ma effectuée sur un dyke de granite qui recoupe le rubanement migmatitique. L'âge et la lithologie indiquent une similitude d'ensemble et, partant, suggèrent une corrélation entre les granites du nord du Vestranden et ceux des Svécofennides situés plus à l'est; toutefois, on ne dispose aujourd'hui d'aucune donnée chronologique à l'appui d'une telle corrélation. Jusqu'à présent, aucun âge svéconorvégien-grenvillien n'a été enregisré dans le Vestranden septentrional. De même, dans les cas étudiés ici, aucun événement n'a affecté le système isotopique U-Pb entre 1630 et 430 Ma. A environ 430 Ma, des parties importantes du Vestranden ont enregistré un métamorphisme calédonien de degré élevé et une fusion anatectique partielle. Les néosomes d'une migmatite ont fourni un âge U/Pb sur zircon de 434±22 Ma. Des températures relativement élevées se sont maintenues pendant la plus grande partie du Silurien et jusqu'au cours du Dévonien. De grandes quantités de pegmatite ont été intrudées à la fin de cette période; un de ces dykes a donné un âge U/Pb sur zircon de 404±2 Ma.
    Notes: Zusammenfassung Vier neue U-Pb-Zirkonalter liegen aus dem nördlichen Vestranden-Bereich des westnorwegischen Gneissgebiets vor. Das Alter einer Tonalitintrusion (1819±6 Ma) bestätigt zusammen mit anderen Altersbestimmungen, daß das präkambrische Fundament der zentralskandinavischen Kaledoniden sich im Vestrandengebiet bereits vor mehr als 1800 Ma zu bilden begann. Das Minimalalter einer darauf folgenden präkambrischen Migmatisierung wird durch ein 1630±20 Ma Alter durchsetzender Granitgänge begrenzt. Zwar deuten die bisher vorliegenden Ergebnisse eine Gleichaltrigkeit der Granitgesteine im nördlichen Vestranden und den Svekofenniden weiter östlich an, ermöglichen aber derzeit noch keine präzise Korrelation des geologischen Geschehens. Sveconorwegische (Grenville) Isotopenalter sind bisher nicht aus dem nördlichen Vestranden bekannt. Auch die neuen Daten weisen keine Störung der U-Pb-Isotopensysteme zwischen etwa 1630 und 430 Ma auf. Beträchtliche Teile des Vestrandenbereiches wurden vor ca. 430 Ma einer kaledonischen, höhergradigen Metamorphose und anatektischer Aufschmelzung unterworfen. Die Neosome eines Migmatites ergaben ein Alter von 434±22 Ma, was erneut die Existenz zweier verschiedener Migmatisierungsetappen im Präkambrium bzw. in Silur bestätigt. Höhere Temperaturen bestanden danach bis in das Devon. Größere Pegmatitmengen wurden am Ende dieser Zeitspanne gebildet. Einer dieser Pegmatitkörper ergab ein U-Pb-Zirkonalter von 404±2 Ma.
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2008-03-04
    Print ISSN: 1435-9529
    Electronic ISSN: 1435-9537
    Topics: Geosciences
    Published by Springer
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  • 4
    Publication Date: 2005-12-23
    Print ISSN: 1435-9529
    Electronic ISSN: 1435-9537
    Topics: Geosciences
    Published by Springer
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  • 5
    Publication Date: 2002-01-01
    Print ISSN: 0305-8719
    Electronic ISSN: 2041-4927
    Topics: Geosciences
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  • 6
    Publication Date: 1991-02-01
    Print ISSN: 0016-7835
    Electronic ISSN: 1432-1149
    Topics: Geosciences
    Published by Springer
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