NDLI: Mobilization and redistribution of major and trace elements in a lateritic profile: the Sheikh-Marut deposit, NW Iran

Content Provider	Springer Nature Link
Author	Abedini, Ali Calagari, Ali Asghar
Copyright Year	2015
Abstract	The Sheikh-Marut deposit is one of typical REE-rich lateritic deposits of Permian age in northwest of Mahabad, NW Iran. In this study, using geochemical techniques for calculation of mass changes and correlation coefficients, the effective factors in mobilization and redistribution of major and trace elements during lateritization processes across a selected profile were considered. Based upon TOC (total organic carbon) values, the ores across the profile were divided into two parts: (1) TOC-rich in the upper part and (2) TOC-poor in the lower part of the profile. Mass change calculations illustrated that elements such as Al, Fe, Ti, Th, V, Ni, Co, Cr, Be, Nb, Zr, Hf, Ta, and Sn were leached out from the TOC-rich part and were added to the TOC-poor section during lateritization processes. In addition, elements like Ca, K, Mg, Na, P, Pb, Cu, Zn, Cs, Y, Rb, Sr, Ba, and U were leached out from both the TOC-rich and the TOC-poor sections of the profile, and elements such as Mn, As, Cd, Tl, and Ga were enriched during lateritization. Incorporation of the results obtained from mass change calculations and correlation coefficients among elements demonstrated that factors such as presence or absence of organic ligands, physico-chemical conditions (Eh and pH) of depositional environment, and mineral control are three principal factors dominating leaching and redistribution of major and trace elements in the studied lateritic profile. The obtained results also revealed that scavenging by metallic oxides was rather more effective than adsorption mechanism in concentration of most trace elements in the studied ores.
Starting Page	10871
Ending Page	10882
Page Count	12
File Format	PDF
ISSN	18667511
Journal	Arabian Journal of Geosciences
Volume Number	8
Issue Number	12
e-ISSN	18667538
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-06-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Major and trace elements Laterite Total organic carbon Redistribution Sheikh-Marut Iran Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Environmental Science

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