THE ROLE OF ACID MINE DRAINAGE (AMD) IN FORMATION OF ENVIRONMENTAL MINERALS IN KARMOZD COAL MINES, CENTRAL ALBORZ, MAZANDRAN PROVINCE

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GHOLIPOUR MOHSEN; MAZAHERI S.A.; GHAYEMI MOSTAFA; SHAMANIAN GH.H.

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Journal: Iranian Journal of Crystallography and Mineralogy Year:2010 | Volume:18 | Issue:3 Page(s): 0-0

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Title

THE ROLE OF ACID MINE DRAINAGE (AMD) IN FORMATION OF ENVIRONMENTAL MINERALS IN KARMOZD COAL MINES, CENTRAL ALBORZ, MAZANDRAN PROVINCE

Author(s)

GHOLIPOUR MOHSEN | MAZAHERI S.A. | GHAYEMI MOSTAFA | SHAMANIAN GH.H. | Issue Writer Certificate

Keywords

ACID MINE DRAINAGEQ3

COALQ2

KARMOZD MINEQ3

CENTRAL ALBORZQ2

MAZANDARAN PROVINCEQ2

Abstract

Nowadays, ACID MINE DRAINAGE (AMD) is one of the most important problems in COAL mine contamination. The Karmozd COAL mines in MAZANDARAN PROVINCE are one of the largest and oldest in the COAL extraction in CENTRAL ALBORZe COAL Basin. The sampling of COALs, host rocks, mine drainages and secondary surface minerals have been carried out in summer season of 2005. On the basis of hydrogeochemistry studies of drainages mine in Karmozd, two types waters: 1) acid drainage of Mg-SO4 type (pH=4.59) and 2) alkali drainage of Na-HCO3-SO4 type has been recognized. The most important factor in acid drainage formation is non-evacuation of mine drainage in active tunnel Nummber13 and a long term contact of mine drainage with sulphidic minerals. As result, the concentration of SO42- contemporary with oxidation of pyrite is increased. The scatter diagrams indicate with increasing of SO42- which is caused the decreasing of pH value and HCO3 while heavy metals, alkali metals, earth alkali metal, (PO4)3-, electrical conductivity (EC) and total dissolved solid (TDS) increase in water. Hydrogeochemistry modeling indicates that minerals such as jarosite, alunite, iron oxide, oxyhydroxide, Al oxide and oxyhydroxide are mainly in over saturation state, while carbonates minerals like calcite, dolomite and aragonite are undersaturated. X-ray differaction (XRD) results have proved the existence of natrojarosite, pickeringite, halotrichite, gypsum and iron oxide and oxyhydroxide precipitated due to acid drainage. Gibbs diagram indicates that lithology is the most important factor in increasing the ionic concentration of mine drainage from acidic and neutral to alkali drained.

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APA: Copy

GHOLIPOUR, MOHSEN, MAZAHERI, S.A., GHAYEMI, MOSTAFA, & SHAMANIAN, GH.H.. (2010). THE ROLE OF ACID MINE DRAINAGE (AMD) IN FORMATION OF ENVIRONMENTAL MINERALS IN KARMOZD COAL MINES, CENTRAL ALBORZ, MAZANDRAN PROVINCE. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, 18(3), 0-0. SID. https://sid.ir/paper/356115/en

Vancouver: Copy

GHOLIPOUR MOHSEN, MAZAHERI S.A., GHAYEMI MOSTAFA, SHAMANIAN GH.H.. THE ROLE OF ACID MINE DRAINAGE (AMD) IN FORMATION OF ENVIRONMENTAL MINERALS IN KARMOZD COAL MINES, CENTRAL ALBORZ, MAZANDRAN PROVINCE. IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY[Internet]. 2010;18(3):0-0. Available from: https://sid.ir/paper/356115/en

IEEE: Copy

MOHSEN GHOLIPOUR, S.A. MAZAHERI, MOSTAFA GHAYEMI, and GH.H. SHAMANIAN, “THE ROLE OF ACID MINE DRAINAGE (AMD) IN FORMATION OF ENVIRONMENTAL MINERALS IN KARMOZD COAL MINES, CENTRAL ALBORZ, MAZANDRAN PROVINCE,” IRANIAN JOURNAL OF CRYSTALLOGRAPHY AND MINERALOGY, vol. 18, no. 3, pp. 0–0, 2010, [Online]. Available: https://sid.ir/paper/356115/en

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