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Geochemical Journal
Geochemical Journal An open access journal for geochemistry
Published for geochemistry community from Geochemical Society of Japan.

Geochemical implications of the lead content of barite from various origins

Bokuichiro Takano, Kunihiko Watanuki
Geochemical Journal, Vol. 8, No. 2, P. 87-95, 1974


Pb/Ba ratios of barite from various origins (hot springs, banks in the Japan Sea and Kuroko-type or vein-type ore mines) vary from 10-5 to 10-1. When they are plotted against chloride concentrations of the barite-precipitating solutions, both expressed in logarithms, the ratios increase almost linearly with a decrease in those of the solutions. For their chloride concentrations except those of hot spring waters, NaCl-equivalent salinities of fluid inclusions in the barite were used as an approximation. This fact is possibly elucidated in terms of chloro-complexing of lead in thermal solutions.

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