黔西北峨眉山玄武岩顶部Fe-Al岩系特征及其三稀元素富集特点

doi:10.19388/j.zgdzdc.2021.05.04

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Abstract The Fe-Al rock series is widely developed on the top of the Emeishan basalt in northwestern Guizhou Province. In order to ascertain the characteristics of the Fe-Al rock series and explore the enrichment characteristics of its three rare elements, the authors carried out a field survey on it. The results show that the Fe-Al rock series as the weathering crust at the top of the Emeishan basalt is apparently different when the overlying stratum is Xuanwei Formation (P₃x) or Longtan Formation(P₃l). Sample test results show that the Fe-Al rock series is rich in three rare elements such as Sc, Nb, REE, with great prospecting prospects. The Sc, Nb and REE contents of the Fe-Al rock series with Xuanwei Formation (P₃x) is higher than that of the Fe-Al rock series with Longtan Formation (P₃l), especially Nb and REE. The Sc, Nb and REE concentration in the Fe-Al rock series is an outcome of combined action of the initial enrichment weathering and the late beneficiation reformation on the Emeishan basalt.

Key words： Fe-Al rock series three rare elements element concentration Emeishan basalt northwestern Guizhou Province

Received: 22 September 2020

ZTFLH:	P588.22
	P588.145
	P618.7
	P595

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	Articles by authors
	XUE Hongfu
	ZENG Daoguo
	XIANG Mingkun
	MANG Shicai
	ZHANG An

Cite this article:

XUE Hongfu,ZENG Daoguo,XIANG Mingkun, et al. Characteristics of Fe-Al rock series on the top of Emeishan basalt in northwestern Guizhou Province and enrichment characteristics of its three rare elements[J]. , 2021, 8(5): 25-34.

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http://journal25.magtechjournal.com/Jwk_dzdc/EN/10.19388/j.zgdzdc.2021.05.04 OR http://journal25.magtechjournal.com/Jwk_dzdc/EN/Y2021/V8/I5/25

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