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Eine außergewöhnliche Einschlussparagenese im Quarz von Steinigtwolmsdorf/Oberlausitz


Thomas, R and Davidson, Paul and Rericha, A and Tietz, O, Eine ausergewohnliche Einschlussparagenese im Quarz von Steinigtwolmsdorf/Oberlausitz, Berichte der Naturforschende Gesellschaft der Oberlausitz, 27 pp. 161-172. ISSN 0941-0627 (2019) [Refereed Article]

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Copyright 2019 Naturforschende Gesellschaft der Oberlausitz e.V.

Official URL: https://naturforschende-gesellschaft-der-oberlausi...


The present paper discusses genetic aspects of the genesis of quartz veins in the Lausitz Block. Based on fluid and melt inclusions in the quartz of Steinigtwolmsdorf, the formation of this vein is attributed to the magmatic-high-hydrothermal range. The supercritical condition indicates the beginning of the quartz crystallization. During the cooling process, a solvus opens with the critical point at about 740 °C and water content of 27 % (g/g) to lower temperatures (approximately 650 °C). During this process, two silicate melts with different water content are formed. These processes likely proceed in a closed system. Upon cooling the system opens and hydrothermal and redeposition processes dominate.

Item Details

Item Type:Refereed Article
Keywords:melt inclusions, supercritical state, solvus, high salt concentration, genesis of quartz veins
Research Division:Earth Sciences
Research Group:Geology
Research Field:Mineralogy and crystallography
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in the earth sciences
UTAS Author:Davidson, Paul (Dr Paul Davidson)
ID Code:137494
Year Published:2019
Deposited By:CODES ARC
Deposited On:2020-02-17
Last Modified:2020-07-23

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