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Title (Primary) Structural and mineralogical study of active and inactive hydrothermal fluid discharges in Panarea, Italy
Author Stanulla, R.; Pohl, T.; Müller, C.; Engel, J.; Hoyer, M.; Merkel, B.;
Journal Environmental Earth Sciences
Year 2017
Department CATHYD;
Volume 76
Issue 11
Language englisch;
POF III (all) T34;
Supplements https://static-content.springer.com/esm/art%3A10.1007%2Fs12665-017-6714-6/MediaObjects/12665_2017_6714_MOESM1_ESM.pdf
Keywords Hydrothermal fluid, Panarea; Discharge feature, Shallow marine hydrothermal system, Extreme environment
UFZ wide themes RU2;
Abstract The isle of Panarea (Aeolian Arc, Italy) is an active hydrothermal system, characterized by different types of fluid emissions, which cause various types of unique hydrothermal structures that are typical for hydrothermal fluid discharges. Such fluid discharge structures at shallow depths of less than 30 m have not been described in marine hydrothermal systems until now to the authors’ knowledge. The focus of the investigations was set on morphological, mineralogical, geochemical, and structural analyses. A broad variety of analytical methods was applied to gain as much information as possible. In addition to geological and sedimentological documentation and standard methods like making and analyzing thin and polished sections, optical microscopy or X-ray fluorescence analysis, the samples were investigated by X-ray computer tomography and scanning electron microscopy, including energy-dispersive X-ray spectroscopy. Because discharge features occur in various settings, a general classification of the features in the hydrothermal system was performed with special focus on their preservability in geological archives. In total, nine different facies types were distinguished based on genetic and/or morphological differences. All samples show laminated structures from µm to cm scale. The single laminae vary in shape and material witnessing various chemical compositions.
ID 18968
Persistent UFZ Identifier https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=18968
Stanulla, R., Pohl, T., Müller, C., Engel, J., Hoyer, M., Merkel, B. (2017):
Structural and mineralogical study of active and inactive hydrothermal fluid discharges in Panarea, Italy
Environ. Earth Sci. 76 (11), art. 404