NDLI: Geoenvironmental studies and heavy metal mapping in soil: the case of Ghohroud area, Iran

Content Provider	Springer Nature Link
Author	Ghasemi, Ali Manesh, Seyed Mohsen Tabatabaei Tabatabaei, Seyed Hassan Mokhtari, Ahmad Reza
Copyright Year	2015
Abstract	Geological features play a key role in determining variations in elemental concentrations in an area. Among different geological phenomena, intrusion of igneous bodies and associated alteration contribute significantly to the introduction of heavy metals into the area. This study has focused on Ghohroud, in central Iran, which is situated in the Urmieh–Dokhtar magmatic arc (UMDA) belt, and magmatism has developed as a result of the intrusion of a granodiorite body. The area has later been affected by hydrothermal fluids, resulting in argillic and propylitic alteration and contact metamorphism. The objectives of this study were to assess the degree of contamination and to describe the surface soil geochemical variations in relation to the geology, lithology, and hydrothermal activity in the Ghohroud area. Soil sampling was used for the geochemical study, and 96 samples were collected and analyzed by ICP-OES. Among the analyzed elements, the concentrations obtained for Pb, Zn, Ni, Cu, As, Co, V, and Mo were selected for statistical treatment. Different geoenvironmental indices were calculated, and the results showed that Cu, Mo, Pb, and Zn were present at a contaminating concentration. Remote sensing studies were employed in this study for alteration mapping. It was concluded that the development of different alteration types and proximity to intrusive bodies were the main contributors to the increased heavy metal concentrations in the area.
Starting Page	5221
Ending Page	5232
Page Count	12
File Format	PDF
ISSN	18666280
Journal	Environmental Earth Sciences
Volume Number	74
Issue Number	6
e-ISSN	18666299
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2015-05-23
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Geochemistry Remote sensing and GIS Pollution indices Ghohroud Geology Hydrology/Water Resources Environmental Science and Engineering Terrestrial Pollution Biogeosciences
Content Type	Text
Resource Type	Article
Subject	Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology

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