Geoscience ›› 2011, Vol. 25 ›› Issue (3): 545-552.
• Water Resource and Environment • Previous Articles Next Articles
Hao-Dun-Jie, SHEN Jian-Hong, DIAO Xin-Wei, FENG Dong-Dong
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Abstract:
Based on the study of REE geochemistry of Baijian iron deposit in Shahe, Hebei Province, REE in skarns, ores and strata limestone have the similar characteristics, and ores are closely related to magmatic rocks (diorites). REE pattern of ores show the same distribution pattern of limestones of wallrocks. A probable reason of the phenomenon is infered that oreforming fluids or magma experienced long distance transportation after forming, went through structures such as faults to the deposition place, and then acted metasomatism with wallrocks, and that during metasomatism, oreforming fluids extracted oreforming materials from wallrocks. The skarns and ores have similar chondritenormalized REE distribution patterns and are enriched in LREE, with an obvious Eu negative anomaly and a moderate Ce anomaly, implaing that they were formed by magmatic fluids in reductive environment characterized by low temperature and strong enrichment of Eu.
Key words: REE geochemistry, HanXing type iron deposit, Baijian iron deposit in Shahe, Hebei Province
Hao-Dun-Jie, SHEN Jian-Hong, DIAO Xin-Wei, FENG Dong-Dong. REE Geochemistry of Baijian Iron Deposit in Shahe City, Hebei Province[J]. Geoscience, 2011, 25(3): 545-552.
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