Controls on the distribution of arsenic and rare earth elements in groundwaters of the Bafgh city area, central Iran | Zendy

Kaveh Pazand | Zendy

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Controls on the distribution of arsenic and rare earth elements in groundwaters of the Bafgh city area, central Iran

Author(s) -

Kaveh Pazand

Publication year - 2017

Publication title -

water science and technology water supply

Language(s) - English

Resource type - Journals

eISSN - 1607-0798

pISSN - 1606-9749

DOI - 10.2166/ws.2017.219

Subject(s) - groundwater , rare earth , arsenic , geology , geochemistry , rare earth element , earth (classical element) , environmental chemistry , mineralogy , chemistry , physics , geotechnical engineering , organic chemistry , mathematical physics

High Arsenic contents in groundwater were found in Bafgh area in Central Iran and chosen for hydrogeochemical study. A total of 20 groundwater samples were collected from existing tube wells in the study areas in 2013 and analyzed. The water chemistry is predominantly of Na–Cl type, with concentrations of dissolved As in the range of 0.9 and 74.7 μg/L. The chondrite-normalized rare earth elements patterns exhibited a flat profile, positive Gd anomaly with the predominance of LREEs over HREEs, suggest that they originated from the same source. The metals in the groundwater of the region have a geological origin.

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