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    Heavy metal contamination along the Nigde-Adana highway, Turkey
    (ASIAN JOURNAL OF CHEMISTRY, 2007) Yalcin, M. Gurhan; Battaloglu, Rifat; Ilhan, Semiha; Tumuklu, Ali; Topuz, Dervis
    This study was conducted on the route of D805 and D750 state highways and TEM E90 motorway connecting the Nigde and Adana cities in central and southern Anatolia. The aim of study is to determine the heavy metal contamination in upper level of soil along the D805, D750 and TEM highways. Heavy metal concentrations were measured with Spectro-Xepos Benchtop X-Ray Fluorescence Spectrometer. Results of heavy metal analyses on soil samples reveal a significant contamination. It was determined that heavy metal accumulation is closely associated with traffic intensity. The heavy metal ranges and averages for soil samples at D805, D750 and TEM E90 roads were found as 16980-62790/37907.76, 17.8-98.6 /43.62, 20-217/71.65, 56.5-405.9/165.55, 3.6-5.1/4.33, 75.5-596.2/175.76, 169-1167/554.9, 24-79/39.47, 316-1289/764.97, 1830-5048/3088.23, 6.8-15/8.56, 22-26/23.89, 2.8-63.4/13.86 mg/kg for Fe, Cu, Pb, Zn, Cd, Ni, Cr, Co, Mn, Ti, Sri, Mo and As elements, respectively. In this study, all heavy metal contents to have a toxic effect.
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    Heavy metal sources in sultan marsh and its neighborhood, kayseri, turkey
    (SPRINGER, 2007) Yalcin, M. Gurhan; Battaloglu, Rifat; Ilhan, Semiha
    Sultan Marsh (Turkey) is one of the largest wet lands of the Middle East and Europe. The aim of this study was to determine average concentrations of heavy metals, variations of the obtained values in a large scale, geogenic and anthropogenic sources of the pollution and effects of the pollution on the environment in Sultan Marsh. To these aims, a total of 176 surface soil samples (0-10 cm depth) were collected from 80 ha land in Sultan Marsh. Using a bench-top Spectro-Xepos X-ray fluorescence spectrometer, we analyzed all samples to determine the near-total concentrations of 26 chemical elements. Basic and multivariate statistics were used for statistical analyses. GIS mapping, a powerful tool for identifying possible sources of pollutants, was used to classify and identify the elements. Relatively high concentrations of the elements Fe, Pb, Zn, Sb, W, Mo, Co, Cu, Hg, Ni, Cr, Mn and Cd were found in Sultan Marsh, surrounding rocks (geogenic sources), mines of Fe and Pb/Zn, industrial facilities, residential and agricultural areas and major traffic routes (anthropogenic sources).
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    Major and Trace Element Geochemistry of Bauxites of Ayranci, Karaman, Central Bolkardag, Turkey
    (ASIAN JOURNAL OF CHEMISTRY, 2013) Yalcin, M. Gurhan; Ilhan, Semiha
    Central Bolkardag (Ayranci, Kucukkoras-Karaman) bauxites are one of the most important bauxite sources of the central Taurus zone. The aim of this study was to determine geological features and major and trade elements of Kucukkoras bauxites based on geochemical data from the bauxite deposits and rocks. To this aim, geochemical features of the region were investigated; a detailed map of the bauxite sites was drawn and chemical analyses of the collected specimens were made With inductively Coupled plasma/mass spectrometry (ICP-MS). Kucukkoras diasporic bauxite deposits were located in Jurassicu-upper, cretaceous aged uctepeler formation, were formed in the upper cretaceous period,,extended in the NW-SE direction and Were composed of three:types Of ores; i.e. lenses, karstic fills (sinkhole fills) and Veins. Bauxites were found to have the following major oxides: SiO2, of 3.2005%, Al2O3 of 57.7080%, Fe2O3,of 23.365%, MgO of 0.1035% CaO of 0.3290%; Na2O, of 0.0800%, K2O of 0.0960% TiO2 of 3.1385%, P2O5 of 0.0580%, MnO of 0.1445% and CrO3 of 0.5430%. Based On the Al2O3/SiO2 ratio of bauxites, the mean module value was found to be 18.04, which indicates that Kucukkoras, bauxites were the highest quality bauxites. Geochemical data showed that the bauxites were formed as a result Of conversion of limestone into terra rossa and then conversion of terra rossa into bauxite.
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    Major and Trace Element Geochemistry of Terra Rossa Soil in the Kucukkoras Region, Karaman, Turkey
    (MAIK NAUKA/INTERPERIODICA/SPRINGER, 2008) Yalcin, M. Gurhan; Ilhan, Semiha
    [Abstract Not Available]
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    Multivariate analyses to determine the origin of potentially harmful heavy metals in beach and dune sediments from KizKalesi Coast (Mersin), Turkey
    (SPRINGER, 2008) Yalcin, M. Gurhan; Ilhan, Semiha
    The aim of this study was to investigate variations in heavy metal concentrations and natural and artificial sources of heavy minerals in beach and dune sediments along Kizkalesi (Mersin) coast in Turkey. To this aim, sand sediment samples were collected from 20 locations throughout Kizkalesi coast and concentrations of Zn, Ni, Cu, Co, V, Mo, Ag, Sb, Sn, Cd, W, Hg, Pb, As, Si, Al, Fe, Ca, Mg, S, K, Na, Cl, Ti, Mn and Cr were determined. Simple analyses (frequency histogram), multivariate analyses (Coefficient correlation, Cluster Analysis), Principal Component Analysis, Model Summary and ANOVA were used to analyze the concentration values. Al, Fe, Mg, Cl, Ti, Mn, Cr and Ni were dominant heavy metals. Principal Component Analysis revealed six principal components. It was confirmed by Cluster Analysis. Based on the Hierarchical Cluster analyses, three different general groups were formed at a 50% arbitrary similarity of Q-type level. The frequency histogram indicated that W, Ag, Co, V, Cu, As, Sn, Ni, Zn, Pb, Cr, Cl and Mg concentrations originated from the nearby area, while Mn, Ti, Al and Fe Mg concentrations came from either the nearby area or moderately remote sources. Data from the study area showed that the Model Summary (based on R-2 = 100%) was sufficient for the statistical data and that the Model ANOVA (variations of Pb) had a high explanatory power. The region lying on Miocene carbonate rocks of the Tauride belt were affected by the contaminants of anthropogenic origin that included coastal deposits, coastal erosion, the Kizkalesi settlement area, urban wastes, Mersin-Antalya road extending parallel to the shoreline and disposal sites of hotels.
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    The origin of vein-type copper-lead-zinc deposits Host in Palaeozoic metamorphic rocks at the Southeast Anatolian Orogenic Belt (Kupluce-Adiyaman, Southeastern Turkey)
    (PERGAMON-ELSEVIER SCIENCE LTD, 2015) Akyildiz, Mustafa; Yildirim, Nail; Goren, Burcu; Yildirim, Esra; Ilhan, Semiha
    The study area is located around the town of Kupluce between the celikhan and Sincik districts (Adiyaman, Turkey). Mineralisations are located at the Southeast Anatolian Orogenic Belt. Despite many differential units, especially in age and lithology, that coexist in the region, mineralisation and alteration are only developed in partly concordant/partly disconcordant veins/veinlets of quartz within chlorite schists, sericite schists, mica schists/mica gneisses, quartz schists and metadiabases of the Palaeozoic Puturge metamorphics. Pyrite, chalcopyrite and sphalerite are dominant minerals in mineral paragenesis. Chalcocite, covellite and carollite are also found in trace amounts. Quartz, calcite, sericite and chlorite are the gang minerals. Silicification, sericitisation, chloritisation, epidotisation and limonitisation are widespread in limited areas around ore veins. The estimated Co/Ni (1.8-43) ratio in pyrites belonging to mineralisation deposits indicates that mineralisation in the region is related to magmatic hydrothermal deposits. In addition, REE (rare earth element) contents of mineralisation deposits in chondrite-normalised diagrams are enriched and show a similar trend to that of chondritic values. This indicates that metals that form mineralisation deposits are related to magmatic rocks. Values of delta S-34 estimated in the Kupluce region vary between 1.6 parts per thousand and 2.34 parts per thousand. Values of delta S-34 close to 0 indicate that the sulphur forming the mineralisation is of magmatic origin. In addition, delta O-18 values vary between 8 parts per thousand and 10.8 parts per thousand and are consistent with magmatic water. Analyses of the fluid inclusions in quartz samples from mineralisation deposits were performed, and the homogenisation temperature was estimated to be between 90 and 150 degrees C. These temperature values can be explained by the mixing of a solution with surface water. It was determined that mineralisation deposits were vein-type hydrothermal deposits that had developed due to Middle Eocene acidic-intermediate intrusions intersecting Palaeozoic-aged Puturge metamorphics, and that they exhibited similar characteristics to other mineralisation deposits observed along the Southeastern Anatolian Orogenic Belt. (C) 2014 Elsevier Ltd. All rights reserved.