2005 | OriginalPaper | Buchkapitel
Spherulitic pyrite in seafloor hydrothermal deposits: Products of rapid crystallization from mixing fluids
verfasst von : Qidong Xu, Steven D. Scott
Erschienen in: Mineral Deposit Research: Meeting the Global Challenge
Verlag: Springer Berlin Heidelberg
Aktivieren Sie unsere intelligente Suche, um passende Fachinhalte oder Patente zu finden.
Wählen Sie Textabschnitte aus um mit Künstlicher Intelligenz passenden Patente zu finden. powered by
Markieren Sie Textabschnitte, um KI-gestützt weitere passende Inhalte zu finden. powered by
Some framboid and colloform textures of pyrite in seafloor hydrothermal deposits actually are fibroradial spherulites of pyrite when viewed in partially polarized reflected light. “Colloform bands” in these pyrites are ring-cracks. This disequilibrium texture reflects rapid crystallization with undercooling caused by mixing between hot vent fluid and cold ambient seawater. In principle, different morphologies of spherulitic pyrite may indicate different degrees of mixing between vent fluid and seawater.