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  2. Volume 11, Issue 2
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ISSN: 1682-3222

Volume11, Issue2

Strontium Isotope Ratios as a Tool for the Origin of Barite Mineralization of Marsis and Lefan Deposits/Northeast Zakho / Iraq

    Faraj H. Tobia

Iraqi National Journal of Earth Sciences, 2011, Volume 11, Issue 2, Pages 1-10

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Abstract

Veins, vienlets, pockets and cavity- filling deposits of barite are found to be associated with Upper Jurassic Formations (Marsis deposit) and Upper Cretaceous Bekhme Formation (Lefan deposit). The strontium isotope ratios of barite are presented here and the data have been used to understand the source and origin of barite. The relation of barite mineralization with carbonate host rocks reveals a stratabound epigenetic origin for barite. The obtained 87Sr/86Sr ratios range from 0.708226 to 0.708452; these values reveal the possibility of involvement of crustal Sr in the deposition of Marsis and Lefan barite. Isotopic data reveal that strontium in barite is derived from coeval seawater of Late Cretaceous and other processes like mixing of low temperature hydrothermal solution derived from the crust that is rich in radiogenic 87Sr.
Keywords:
    Strontium Isotope Ratios Origin of Barite Marsis and Lefan Iraq
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(2011). Strontium Isotope Ratios as a Tool for the Origin of Barite Mineralization of Marsis and Lefan Deposits/Northeast Zakho / Iraq. Iraqi National Journal of Earth Sciences, 11(2), 1-10.
Faraj H. Tobia. "Strontium Isotope Ratios as a Tool for the Origin of Barite Mineralization of Marsis and Lefan Deposits/Northeast Zakho / Iraq". Iraqi National Journal of Earth Sciences, 11, 2, 2011, 1-10.
(2011). 'Strontium Isotope Ratios as a Tool for the Origin of Barite Mineralization of Marsis and Lefan Deposits/Northeast Zakho / Iraq', Iraqi National Journal of Earth Sciences, 11(2), pp. 1-10.
Strontium Isotope Ratios as a Tool for the Origin of Barite Mineralization of Marsis and Lefan Deposits/Northeast Zakho / Iraq. Iraqi National Journal of Earth Sciences, 2011; 11(2): 1-10.
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Journal Information

Publisher: Mosul University

Email:  iraqijournal@yahoo.com

Editor-in-chief: Professor Dr. Farouk Sinallah Al-Omari

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