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  The Niederschlag fluorite-(barite) deposit, Erzgebirge/Germany—a fluid inclusion and trace element study

Haschke, S., Gutzmer, J., Wohlgemuth-Ueberwasser, C., Kraemer, D., Burisch, M. (2021 online): The Niederschlag fluorite-(barite) deposit, Erzgebirge/Germany—a fluid inclusion and trace element study. - Mineralium Deposita.
https://doi.org/10.1007/s00126-020-01035-y

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 Urheber:
Haschke, Sebastian1, Autor
Gutzmer, Jens1, Autor
Wohlgemuth-Ueberwasser, C.2, Autor              
Kraemer, Dennis1, Autor
Burisch, Mathias1, Autor
Affiliations:
1External Organizations, ou_persistent22              
23.1 Inorganic and Isotope Geochemistry, 3.0 Geochemistry, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146040              

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Schlagwörter: Fluorite, Microthermometry, Fluid inclusions, Rare earth elements, Geochemistry, Metallogenesis, Industrial minerals
 Zusammenfassung: The Niederschlag fluorite-barite vein deposit in the Western Erzgebirge, Germany, has been actively mined since 2013. We present the results of a first comprehensive study of the mineralogy, petrography, fluid inclusions, and trace element geochemistry of fluorite related to the Niederschlag deposit. Two different stages of fluorite mineralization are recognized. Stage I fluorite is older, fine-grained, associated with quartz, and forms complex breccia and replacement textures. Conversely, the younger Stage II fluorite is accompanied by barite and often occurs as banded and coarse crystalline open-space infill. Fluid inclusion and REY systematics are distinctly different for these two fluorite stages. Fluid inclusions in fluorite I reveal the presence of a low to medium saline (7–20% eq. w (NaCl+CaCl2)) fluid with homogenization temperatures of 140–180 °C, whereas fluorite II inclusions yield distinctly lower (80–120 °C) homogenization temperatures with at least two high salinity fluids involved (18–27% eq. w (NaCl+CaCl2)). In the absence of geochronological data, the genesis of the earlier generation of fluorite-quartz mineralization remains enigmatic but is tentatively related to Permian magmatism in the Erzgebirge. The younger fluorite-barite mineralization, on the other hand, has similarities to many fluorite-barite-Pb-Zn-Cu vein deposits in Europe that are widely accepted to be related to the Mesozoic opening of the northern Atlantic Ocean.

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Sprache(n): eng - Englisch
 Datum: 2020-12-042021-01-05
 Publikationsstatus: Online veröffentlicht
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 Ort, Verlag, Ausgabe: -
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 Identifikatoren: DOI: 10.1007/s00126-020-01035-y
GFZPOF: p4 T8 Georesources
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Titel: Mineralium Deposita
Genre der Quelle: Zeitschrift, SCI, Scopus
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Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: - Identifikator: CoNE: https://gfzpublic.gfz-potsdam.de/cone/journals/resource/journals343
Publisher: Springer