Yazar "Tumuklu, Ali" seçeneğine göre listele
Listeleniyor 1 - 10 / 10
Sayfa Başına Sonuç
Sıralama seçenekleri
Öğe Application of multivariate statistical approach to identify heavy metal sources in bottom soil of the Seyhan River (Adana), Turkey(SPRINGER, 2010) Yalcin, M. Gurhan; Tumuklu, Ali; Sonmez, Mustafa; Erdag, Dilek SatirIn this study, freshly deposited soils were sampled from the Seyhan River (Turkey) from the exit of the Seyhan Dam to the Adana exit. Heavy metal contents were measured with X-ray fluorescence spectrometer. Multivariate statistical approach is used to identify the sources of heavy metals and other elements in soil samples. Considering the size of anomalies, metals are ranked as Co > Pb > Cr > Zn > Al. Based on the hierarchical cluster analysis results, three clusters were observed. P, Mg, Ti, Fe, Ca, Na, K, Al, Si, and Nb form the first cluster, Zn, Sr, Pb, and Cr associated as the second cluster, and Ba and Co form the third cluster. Three factors computed from principal component analysis are explained with a cumulative variance of 95%. The first factor is defined with "high background lithogenic factor" Co, the second factor with "local industrial factor" Pb, Cr, Ba, and Mg, and the third factor with "natural factor" Cr and Pb.Öğe Determination of heavy metals in soils around Afsin-Elbistan Thermal Power Plant (Kahramanmaras, Turkey)(ASIAN JOURNAL OF CHEMISTRY, 2008) Tumuklu, Ali; Ciflikli, Murat; Ozgur, F. ZaferIn this study, heavy metal (V, Ti, Cr, Mn, Ni, Cu, Zn, As, Sn, Al, Mg and Fe) pollution of the soils around Afsin-Elbistan Thermal Power Plant have been investigated. When the average values of the 21 analysis results were compared with the crystal values, V:1.03. Ti:0.64, Cr:3.51, Mn:1.02, Ni:6.48, Cu:3.31, Zn:1.56, As:3.09, Sn:0.51, A:0.71, Mg:1.25 and Fe:1.25 values were determined. According to these comparisons, the exchange rates in the study area are as follows: Ni > Cr > Cu > As > Mg and Fe > Zn. According to the relationships between distance and sampling locations of the samples (sample numbers 1-16) collected through a line from the area between power plant and Afsin district, distances (km) where the elements were determined in their maximum values are as follows: Ni:3, Mg:3, Cr:5, Ti:8 Mn:8, Cu:8, Fe:9. V:9. Zn:9, As:9. Sn:14 and Al:15. According to the results of XRD whole rock analysis, mineral associations found as clay, calcite, quartz, feldspar, mica, hematite and rarely clinoptilolite and opal-CT. Clay mineral assemblages are montmorillonite, illite, kaolinite, notronite and halloysite.Öğe ECONOMIC AND ENVIRONMENTAL EFFECTS OF HISTORICAL MINING ENTERPRISES IN GUMUSLER VILLAGE AND CAMARDI TOWNS REGION (NIGDE, TURKEY)(STEF92 TECHNOLOGY LTD, 2016) Tumuklu, Ali; Yalcin, Mustafa GurhanAnatolia and in particular Nigde, has an important place in terms of mining history. The inscription belonging to the late Hittite period is the world's first written mining license, and it is written on the rocks located in the Ulukisla area. Nigde stands out by mining operations of Sn, Au, Cu and Ag in ancient period, and Sb, Hg, Fe, Pb and Zn in the near term (the 18th century and later). Today, slags and rusts remained in these mines take attention with two aspects. The first one is economic and the second one is environmental. These slags and rusts have no economic value when they were produced, but now they have economic value. For example, slags in the Camardi region have the tenor of 3,25% Cu, %5,5-6 Pb, %2,5-3 Zn, 0,8-1,5 ppm Au and 250 ppm Ag. These values are economic in current conditions of mining technology. In addition, the environmental issues of slags of these areas are addressed. As content of Gumusler slag is pretty high to be taken in consideration. Given that the toxic elements found in these slags are most likely to be in a free state, these areas are considered to be possible sources of contamination of the living. Therefore, in order to prevent environmental issues, a careful investigation on the old mining slugs in Gumusler and Maden areas has to be taken urgently.Öğe GEOLOGICAL, MINERALOGICAL AND GEOCHEMICAL INVESTIGATION OF THE ULUKISLA (NIGDE/TURKEY) EVAPORITES(INT SCIENTIFIC CONFERENCE SGEM, 2010) Tumuklu, Ali; Gumus, HandeUlukisla (Nigde/Turkey) evaporites that compose the study area are situated in Ulukisla Basin at the east of Nigde, South of Central Anatolia. The aim of the study is to investigate the geological, mineralogical and geochemical properties of the gypsum and anhydrites in Ulukisla Evaporites and to determine usage area of the evaporites as an industrial material. For this scope, 50 anhydrite and gypsum samples were collected systematically from the Ulukisla evaporites in 900 m thick area. By XRD (X - Ray Diffraction) investigations, the structure of minerals that forms the anhydrites and gypsum, by geochemical analysis major oxides and trace elements percentages, by polarizing microscope, binocular microscope and SEM their mineralogical properties were determined. Result of the geochemical analysis, samples are pure gypsum minerals including some trace elements. Trace elements are Mg, Al, P, K Fe, Rb, and Sr. SEM studies show that there is no different crystal structure in evaporites. Parallel to the surface of lamination and perpendicular to the surface structure was examined. Polarizan microscope studies show the mosaic (lumpy) and diamond mesh textured gypsum. In binocular microscopy examination Selenitic gypsum has transparent structure, and under approximately 1-2 mm thick layer of gypsum, there are needle-like objects can be seen easily. According to the analysis results, gypsum in the region are good quality gypsum for the plaster production.Öğe Geological, mineralogical and geochemical investigation of the Ulukisla (Nigde/Turkey) evaporites(2010) Tumuklu, Ali; Gumus, HandeUlukisla (Nigde/Turkey) evaporites that compose the study area are situated in Ulukisla Basin at the east of Nigde, South of Central Anatolia. The aim of the study is to investigate the geological, mineralogical and geochemical properties of the gypsum and anhydrites in Ulukisla Evaporites and to determine usage area of the evaporites as an industrial material. For this scope, 50 anhydrite and gypsum samples were collected systematically from the Ulukisla evaporites in 900 m thick area. By XRD (X - Ray Diffraction) investigations, the structure of minerals that forms the anhydrites and gypsum, by geochemical analysis major oxides and trace elements percentages, by polarizing microscope, binocular microscope and SEM their mineralogical properties were determined. Result of the geochemical analysis, samples are pure gypsum minerals including some trace elements. Trace elements are Mg, Al, P, K, Fe, Rb, and Sr. SEM studies show that there is no different crystal structure in evaporites. Parallel to the surface of lamination and perpendicular to the surface structure was examined. Polarizan microscope studies show the mosaic (lumpy) and diamond mesh textured gypsum. In binocular microscopy examination selenitic gypsum has transparent structure, and under approximately 1-2 mm thick layer of gypsum, there are needle-like objects can be seen easily. According to the analysis results, gypsum in the region are good quality gypsum for the plaster production.Öğe Heavy metal contamination along the Nigde-Adana highway, Turkey(ASIAN JOURNAL OF CHEMISTRY, 2007) Yalcin, M. Gurhan; Battaloglu, Rifat; Ilhan, Semiha; Tumuklu, Ali; Topuz, DervisThis 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.Öğe INVESTIGATION OF STATISTICAL RELATIONSHIPS BETWEEN Au, Ag, As, Ba, Cd, Cu, Fe, Pb, S, Sb, and Zn ELEMENTS OF ANTIMONY DEPOSIT IN NW CAMARDI -NIGDE (TURKEY)(STEF92 TECHNOLOGY LTD, 2016) Yalcin, Fusun; Tumuklu, Ali; Bortas, Serdar C.; Ilbeyli, NurdaneIn antimony deposit in NW Camardi-Nigde (Turkey), antimony produced by underground mining in the 1970s. 3 galleries are connected to each other and 2 galleries are independent. According to the geochemical and mineralogical-petrographical investigations, stibnite mineralization in the vein rocks may be about 70-80 wt %. In geochemical analysis of ore and hosted rocks from both inside and outside of the gallery, correlations between Sb and Au, Ag, As, Ba, Cd, Cu, Fe, Pb, S and Zn were investigated. In the correlation values, 50% and upper meaningful relationships have been taken into account. Accordingly, 7 positive relationships between the elements were determined and no meaningful negative correlation could be detected. Positive correlations are Zn-Cd: 0,84; Pb-Ag: 0,71; Pb-Cd: 0,65; Zn-Pb: 0,56; Fe-As: 0,54; Sb-S: 0,50 and Ag-Cd: 0,50. According to these results, Zn and Cd elements have the most powerful and Ag and Cd elements have the lowest significant positive correlation. There are numerous ore outcrops and quarries containing sphalerite (ZnS) and Galena (PbS) located in the area. Only Pb/Zn ores produced in these fields and Cd and Ag have been ignored. Cd and Ag potential in the area can be exposure by detailed geological explorations.Öğe Role of trace elements in natural amethysts in colouring(ASIAN JOURNAL OF CHEMISTRY, 2008) Tumuklu, Ali; Gumus, Hande; Sen, SezerIn this study, a research has been conducted on trace elements that are likely to colour natural amethyst, a semiprecious gemstones. The trace elements of two amethyst samples, one in purple and the other one in lilac, which were procured from Dursunbey (Balikesir, Turkey) were defined. Comparing the trace elements obtained with the previous studies, it was concluded that the colour purple intensified as Fe and Mn proportions in amethysts increased and the colour purple turned into a lighter purple, which was lilac as the proportion of Sb element diminished.Öğe THE APPLICATION OF GRADED EXTRACTION ON COASTAL SAND (TASUCU COASTAL, SOUTH OF TURKEY)(INT SCIENTIFIC CONFERENCE SGEM, 2010) Karakaya, Feridun; Yalcin, M. Gurhan; Narin, Ibrahim; Tumuklu, AliHeavy metals existing over a limit due to being used industrially or naturally found on rock, in underground water and soil effects ecological system and human life negatively. Researchers have developed different methods for the observation of these metals which influence ecological system and human life. The aim of this study is to explain the graded extraction method with an example which is one of the analysis methods used in the detection of ratio of heavy metals (sample: Al, Mn) that are found in Coastal Sand samples (Tasucu Coastal, South of Turkey). Mn is anthropogenic and Al is geogenic materials in the study area.Öğe The application of graded extraction on coastal sand (Tasucu Coastal, South of Turkey)(2010) Karakaya, Feridun; Yalcin, M. Gurhan; Narin, Ibrahim; Tumuklu, AliHeavy metals existing over a limit due to being used industrially or naturally found on rock, in underground water and soil effects ecological system and human life negatively. Researchers have developed different methods for the observation of these metals which influence ecological system and human life. The aim of this study is to explain the graded extraction method with an example which is one of the analysis methods used in the detection of ratio of heavy metals (sample: Al, Mn) that are found in Coastal Sand samples (Tasucu Coastal, South of Turkey). Mn is anthropogenic and Al is geogenic materials in the study area.
