The Source of Ore-Forming Material in Barite-Fluorite Deposits, Southeast Sichuan in China: Sr Isotope Evidence

Abstract:

Barite-fluorite metallogenic belt of southeast Sichuan is one of the important metallogenic belt in China. The initial ratio of ⁸⁷Sr/⁸⁶Sr is the good tracer in study of diagenetic mineralization process and sources of ore-forming materials. The ⁸⁷Sr/⁸⁶Sr ratio of fluorite and barite from barite-fluorite deposits in southeast Sichuan is 0.708800~0.712999, and it similar to The ⁸⁷Sr/⁸⁶Sr ratio of Cambrian carbonate rocks and ordovician limestone, but expect the lower Cambrian Niutitang group stratum, the Ba content of other layers are generally low, Therefore, the Ca source of ore-forming materials should be multisource, mainly from Cambrian-Ordovician carbonate strata , and the main Ba source of layer should be the lower Cambrian Niutitang group stratum.

• Periodical: Applied Mechanics and Materials (Volumes 395-396)
• Pages: 187-190
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.395-396.187
• Online since: September 2013
• Authors: Hao Zou, Yi Fang, Zhan Zhang Xu
• Keywords: Barite-Fluorite Deposit, Sources of Ore-Forming Materials, Southeast Sichuan, Strontium Isotope

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