Environmental geochemistry of Zarshuran Au-As deposit, NW Iran

Modabberi, Soroush; Moore, Farid

doi:10.1007/s00254-004-1065-5

Cited by 44 publications

(18 citation statements)

References 14 publications

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“…As is highly enriched in all samples and it is in accordance with the idea that young volcanism in NW Iran in accompanied by arsenic enrichment, mentioned previously by Modabberi and Moore (2004). Valentino and Stanzione (2003) referred the As enrichment to water-rock interactions and also to rising of hot fluids and suggested that progressive increase of As in waters with increasing time of residence is generally matched by Hg depletion because of the introduction of mercury into newly formed alteration minerals.…”

Section: Discussionsupporting

confidence: 89%

Environmental Geochemistry of Potentially Toxic elements in thermal springs in the Sabalan Volcanic Field, NW Iran

Modabberi

2013

E3S Web of Conferences

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Abstract. Thermal springs are widely used by tourists for treatment of dermal diseases and other therapeutic applications. In Iran, thermal springs occur in Northwestern part mainly surrounding the Mount Sabalan which attract hundreds of thousands of tourists annually. Two clusters of springs in Neer and Meshkinshahr areas including 16 thermomineralic springs have been studied in this research and they were sampled twice in May and November in order to investigate the seasonal changes of trace elements in dry and wet seasons. The samples were analyzed in Acme Lab, Canada for 72 elements. Trace element concentrations indicate that most of the elements show concentration well beyond the guideline values for drinking water. While the two sets of samples were taken within a 6 months interval, the elements show slight or no variation from first period to the second and in some cases. Arsenic shows a variation of 5-5834μg/l and the mean As value is 160 times the guideline values (10 μg/l). Other toxic elements with high concentration are B, Fe, Mn, Sb, and Si. Mn and Sb shows exeedance of 12 and 11.5 times respectively. Correlation coefficient and principal component analysis of analytical data indicate that Cl, As, B, Ba, Br, and V show very strong mutual correlation coefficients implying their relationship and common source and fate in the hydrothermal fluid carrying them. These elements fall in the component 1 of PCA. This group of elements is supposed to be derived and sourced from the magmatic-hydrothermal system and through the interaction of hydrothermal fluids with rocks they passed through. Because of discharge of the thermal springs into the nearby streams intended to be used for drinking water and also vast application of spring waters in balneological uses, they may have adverse environmental and health impacts on tourists that expose themselves to this contaminants through balneological applications.

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Section: Discussionsupporting

confidence: 89%

Environmental Geochemistry of Potentially Toxic elements in thermal springs in the Sabalan Volcanic Field, NW Iran

Modabberi

2013

E3S Web of Conferences

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“…were randomly collected from 50 plants in a population growing at the Zarshuran gold-arsenic mine (36°43'04'' N, 47°08'02'' E) 40 km north of the town of Takab in West Azarbaijan Province, northwest Iran. The total soil As concentration in this deposit area ranges from 145 to 6525 mg kg -1 (Modabberi and Moore, 2004). Seeds of the non-mine I. cappadocica population were sourced from Kouhin Hill (36°16'09'' N, 50°00'10'' E) in Qazvin Province, with soil total arsenic concentrations ranging from 2 to 10 mg kg -1…”

Section: Source Of Plant Materialsmentioning

confidence: 99%

Effect of Arsenic on Germination of Isatis Cappadocica Desv., a Newly Discovered Arsenic Hyperaccumulator

Karimi¹,

Shayesteh²,

Ghasempour³

2013

Acta Biologica Cracoviensia Series Botanica

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Isatis cappadocica Desv. is a newly found As-hyperaccumulator showing very high remediation efficiency in polluted soils. We studied the effects of arsenic at 0-1400 μM concentrations on seed germination, relative root length, relative shoot height, and root and shoot biomass in young seedlings of I. cappadocica. The seeds were from Iranian arsenic-contaminated mine spoils and from a non-contaminated population. The control for reference was brassica (Descurenia sofia). Germination decreased significantly versus the control with increasing arsenic concentrations. The response to arsenic exposure differed between the I. cappadocica populations and D. sofia. I. cappadocica from mine spoil seeds showed strong resistance to the highest As concentration, with no adverse effects until the 1000 μM dose. Germination from non-mine seeds of I. cappadocica decreased to 89.6% at 1400 μM As. D. sofia germination was completely inhibited at 400 μM As. Relative root length (RRL) and relative shoot height (RSH) decreased with increasing As concentration. Overall, RRL correlated with RSH. Shoot height and root length were more sensitive to arsenic than other endpoints, and might be used as arsenic toxicity indicators. I. cappadocica showed more As tolerance than the reference brassica.K Ke ey y w wo or rd ds s:

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“…Local circumstances can have profound effects. We previously conducted a study in the Zarshuran area (north-western Iran), which has a long history of As pollution through mining (Modabberi and Moore 2004;Karimi et al 2010). Total and water-soluble As in the soil and their relationship with plant uptake were investigated.…”

Section: Introductionmentioning

confidence: 99%

Arsenic in soil and vegetation of a contaminated area

Karimi

Ghaderian

2013

Int. J. Environ. Sci. Technol.

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Plant and soil samples were collected from one uncontaminated and four contaminated sites (in the Dashkasan mining area western Iran). Total and water-soluble arsenic in the soil ranged from 7 to 795 and from 0.007 to 2.32 mg/kg, respectively. The highest arsenic concentration in soil was found at the ore dressing area (up to 1,180 mg/kg) and lowest at an uncontaminated area (up to 11 mg/kg). A total of 49 plant species belonging to 15 families were collected from four sampling sites. A significant positive correlation was detected between the concentrations of arsenic in plant dry matter and those in soils. The highest arsenic concentrations were found in Hyoscyamus kurdicus Bornm. (up to 205 mg/kg) and Helichrysum oligocephalum DC. (up to 162 mg/kg). These two accumulator species could have potential for soil clean-up by phytoextraction. The data have been compared with those for the Zarshuran mining area (north-western Iran) obtained in a former study.

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Environmental geochemistry of Zarshuran Au-As deposit, NW Iran

Cited by 44 publications

References 14 publications

Environmental Geochemistry of Potentially Toxic elements in thermal springs in the Sabalan Volcanic Field, NW Iran

Environmental Geochemistry of Potentially Toxic elements in thermal springs in the Sabalan Volcanic Field, NW Iran

Effect of Arsenic on Germination of Isatis Cappadocica Desv., a Newly Discovered Arsenic Hyperaccumulator

Arsenic in soil and vegetation of a contaminated area

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