Spilite

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QH5HA2EQ1B1
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Geliefert zwischen Mi., 26.11.2025 und Do., 27.11.2025

Details

Spilite (from Greek: ) is a fine-grained igneous rock, resulting particularly from alteration of oceanic basalt. The term was introduced into the geological literature by Alexandre Brongniart in 1827. Spilite is formed when basaltic lava reacts with seawater, or from hydrothermal alteration when seawater circulates through hot volcanic rocks. It is a metasomatic rock with a microscopic or very-fine grain size produced by hydrothermal alteration of basalt, and composed of albite or oligoclase, together with chlorite, epidote, calcite, and actinolite. Spilite is veined by calcite or chalcedony, and vesicles and cavities are filled with secondary minerals. It is generally classed with basalts, and it often retains many textural and structural features characteristic of basalt.

Weitere Informationen

  • Allgemeine Informationen
    • GTIN 09786137928394
    • Genre Geowissenschaften
    • Auflage Aufl.
    • Editor Claus Matthias Benedict
    • Anzahl Seiten 76
    • Herausgeber Betascript Publishing
    • Größe H220mm x B220mm
    • EAN 9786137928394
    • Titel Spilite
    • Untertitel Basalt

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