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Stable Isotope Geochemistry

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Stable Isotope Geochemistry <[log in to unmask]>
Subject:
fractionation factors for carbonates
From:
Vratislav Hurai <[log in to unmask]>
Date:
Sun, 20 Dec 1998 08:13:54 +0100
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Stable Isotope Geochemistry <[log in to unmask]>
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Dear Listmembers,

does anyone know of more reliable data on carbon isotope fractionation between siderite (FeCO3) and C-bearing phase (HCO3-, CO2) ?
The experimental data from Carothers et al. 1988, GCA 52, 2445, are highly controversial with the HCO3-CO2 fractionation curve (e.g. Ohmoto - Rye 1979). I am looking also for C and O fractionation factors for magnesite (MgCO3).

Thanks in advance

********************************************************
Dr. Vratislav Hurai                     
Dept. of Isotope Geology          
Geological Survey of Slovakia  
817 04  Bratislava, Slovakia     
tel.: (00421-7)59375233, fax: (00421-7)54771940

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