Genesis of banded iron formations: A series of experimental simulations

	Genesis of banded iron formations: A series of experimental simulations
	Xiao-Qing Zhu; Hao-Shu Tang; Xiao-Hui Sun
	2014
发表期刊	Ore Geology Reviews
卷号	63 期号:1 页码:465-469
摘要	A series of experimental simulations of the genetic mechanism of banded iron formations has been conducted using a suite of self-designed glassware to model the hypergene circulation of surface water. The simulation process involved two parts: in the first part, the weathering and leaching of basalt by strongly acidic meteoric water during early Precambrian volcanism would have resulted in amorphous silica precipitation and strongly acidic ore-bearing solutions (pH < 1.25). And in the second part, during quiescent volcanism, the weathering and leaching of basalt by CO2-saturated meteoric water without contamination of other volcanic gases would increase the pH value of the solution. When the pH increased to 1.25-5.50, ferric hydroxides and amorphous silica would alternately precipitate owing to periodic heating and continuous addition of high-pH basalt-leaching solutions. This is a possible explanation of the genetic mechanism of the Algoma-type banded iron formations.
学科领域	矿床地球化学
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.gyig.ac.cn/handle/352002/5266
专题	矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文
推荐引用方式 GB/T 7714	Xiao-Qing Zhu,Hao-Shu Tang,Xiao-Hui Sun. Genesis of banded iron formations: A series of experimental simulations[J]. Ore Geology Reviews,2014,63(1):465-469.
APA	Xiao-Qing Zhu,Hao-Shu Tang,&Xiao-Hui Sun.(2014).Genesis of banded iron formations: A series of experimental simulations.Ore Geology Reviews,63(1),465-469.
MLA	Xiao-Qing Zhu,et al."Genesis of banded iron formations: A series of experimental simulations".Ore Geology Reviews 63.1(2014):465-469.

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