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A new chlorite geothermometer for diagenetic to low-grade metamorphic conditions

The evolution of chlorite composition with temperature (and pressure) serves as basis to a number of chlorite chemical thermometers, for which the oxidation state of iron has been recognised as a recurrent issue, especially at low temperature ( T ). A new chlorite geothermometer that does not requir...

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Bibliographic Details
Published in:Contributions to mineralogy and petrology 2013-04, Vol.165 (4), p.723-735
Main Authors: Bourdelle, Franck, Parra, Teddy, Chopin, Christian, Beyssac, Olivier
Format: Article
Language:English
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Summary:The evolution of chlorite composition with temperature (and pressure) serves as basis to a number of chlorite chemical thermometers, for which the oxidation state of iron has been recognised as a recurrent issue, especially at low temperature ( T ). A new chlorite geothermometer that does not require prior Fe 3+ knowledge is formulated, calibrated on 161 analyses with well-constrained T data covering a wide range of geological contexts and tested here for low- T chlorites ( T  
ISSN:0010-7999
1432-0967
DOI:10.1007/s00410-012-0832-7