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Bölüm: Batman Üniversitesi Mühendislik - Mimarlık Fakültesi Jeoloji Mühendisliği Bölümü × Erişim Hakkı: Attribution-NonCommercial-ShareAlike 3.0 United States ×

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    Mineralogy and geochemistry of marine palygorskite of upper paleogene age, (Southeastern Turkey)
    (Geological Society of America, 2018) Özsaraç, Şafak; Yalçın, Hüseyin; Tetiker, Sema
    This study contains Becirman Formation of Late Paleogene age outcropping Batman-Gercus and Mardin-Dargecit areas in the Southeast Anatolian Authouctonous of Arabian Plate. The unit is formed of red colored dolomitic shale-marl-sandstone and white-cream colored carbonate rocks (dolomite, dolomitic limestone) intercalations. According to whole-rock analyses results of X-ray diffraction (XRD), minerals are represented, respectively in abundance, dolomite, phyllosilicate (palygorskite, smectite, chlorite, vermiculite, illite, serpentine and mixed layered C-V), calcite, feldspar, quartz, hematite and goethite. Phyllosilicates determining on XRD clay fractions comprise mineral paragenesis with palygorskite + smectite or vermiculite in Gercus area and palygorskite + chlorite + vermiculite / C-V, and chlorite + illite + serpentine in Dargecit area. Palygorskite minerals (2-10 mm-fibres length) occurred after dolomites and matrix in the dolomitic marl and sandstones, respectively, on scanning electron microscope (SEM) studies. Other associated minerals as smectite and chlorite / C-V are observed as thin leaves. Major element geochemistry of palygorskite-rich clay fractions indicates that these minerals are rich in Mg-Al-Fe. Trace element quantities of palygorskites on normalized spider diagrams have enrichments and depletions, respectively, compared to chondrite and North America Shale Composites (NASC). SEM views, existence of serpantine, especially increase of Cr and Ni concentrations, which indicate that the source of Becirman Formation is serpentinized ophiolitic rocks of Upper Cretaceous age in north of the basin. On the other hand, palygorskites are formed from dolomites and matrix by mechanisms of diagenetic transformation and sedimentary neoformation, respectively.
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    Hakkâri ili baz metal yataklarının uzaktan algılama ile belirlenmesi
    (Gümüşhane Üniversitesi, 2021-04-15) Baran, Hacı Alim
    Eski çağlardan beri madencilik faaliyetlerine ev sahipliği yapan, 2010 yılından itibaren açılan maden ocakları ile tekrar ilgi odağı haline gelen Hakkâri, bölgede madencilik açısından incelenmesi önem arz eden illerden biridir. Bölgede gözlenen kayaçlar çoğunlukla karbonatlı kayaçlar olup, Paloezoyik (Permiyen)-Mesozoyik (Jura) yaş aralığına sahiptirler. Bu birimlerin üzerinde Kampaniyen—Alt Maastrihtiyen yaşlı Yüksekova melanjı, Paleosen ve Miyosen yaşlı sedimanlar uyumsuz olarak gözlenmektedir. Ülkemizin önemli metalojenik kuşaklarından birinde yer alan bölge baz metaller açısından potansiyeli yüksek alanlar arasında yer almaktadır. İnceleme alanı ve çevresinde hali hazırda keşfedilmiş ve/veya işletilen 20 adet maden yatağı mevcuttur. Bunlardan 5 tanesi endüstriyel hammadde ocağı (mermer), 15 tanesi (10 Pb-Zn, 2 Cu, 3 Cr) ise metalik maden yataklarıdır. Uzaktan algılama ile maden aramada yaygın olarak kullanılan tekniklerden birisi de alterasyon tespitidir. Çalışma alanındaki madenler uzaktan algılama çalışmalarında yüksek başarı oranı ile tespit edilebilen demir veya demirli mineral içermektedir. Landsat 8 uydu görüntüsü üzerinde uzaktan algılama teknikleri (band oranlaması, kontrast germesi, renkli kompozit görüntü oluşturma) kullanılarak Hakkâri’de hali hazırda mevcut veya işletilen maden yataklarının konumları başarılı bir şekilde belirlenerek, 2 yeni potansiyel sahanın tespiti gerçekleştirilmiştir.
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    Menteşe dolomitlerinin petrografik özellikleri (Isparta)
    (e-Journal of New World Sciences Academy, 2010-04-01) Dinç, Salih; Özkan, Ali Müjdat
    İnceleme alanı Batı Toroslar’da Isparta Açısı içinde Kasımlar ve Karacahisar bölgesindeki yaklaşık 386 km2’lik bir alanı kapsamaktadır. Bu alanda Paleozoyik’ten günümüze kadar hemen her döneme ait sedimanter, mağmatik ve metamorfik kaya grupları yüzeylemektedir. Bu kaya gruplarından bir bölümü otokton konumlu olup, diğer bölümü ise allokton konumludur. Resiyen yaşlı Menteşe dolomitleri içerisindeki karbonatlı kayalar petrografik olarak 8 fasiyese ayrılmıştır. Bunlar, mikro boyutlu anhedral dolomit (Df1), orta-iri boyutlu anhedral dolomit (Df2), orta-iri boyutlu subhedral dolomit (Df3), iri-çok iri boyutlu öhedral dolomit (Df4), çamurtaşı fasiyesi (Kf1), vaketaşı fasiyesi (Kf2), istiftaşı fasiyesi 3 (Kf3), kristalin kireçtaşı fasiyesidir (Kf4). Menteşe dolomitleri içerisindeki dolomit kristallerinde yaygın olarak hipidiyotopik ve ksenotopik doku görülürken, kristallerin çoğu kirli bir görünüme sahiptir. Dolomitlerin bir kısmında ilksel dokunun kısmen korunduğu görülmektedir. Dolomit oluşumları, erken ve geç diyajenez esnasında meydana gelmiştir. Erken diyajenetik kökenli dolomitler karışım suyunda düşük sıcaklıklarda meydana gelmiştir. Geç diyajenezde oluşan dolomitler sığ gömülme esnasında yükselen sıcaklıklarda meydana gelmiştir.
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    Assessment of heavy metal pollution of urban soils of Batman by multiple pollution indices
    (Taylor & Francis, 2021-03-28) Baran, Hacı Alim; Gümüş Kıral, Nurcan
    Heavy metal accumulation is observed in urban soils, sometimes due to anthropological effects and sometimes due to natural geological units. In order to determine the heavy metal content of the Upper MioceneLower Pliocene Selmo Formation, which is observed in the whole study area and consists of conglomerate, sandstone and silt stone, soil and river sediment samples were taken. Within the scope of pollution assessment, geo-accumulation index (Igeo), enrichment factor (EF) and pollution index (PI) calculations of Batman urban soil samples were made and different degrees of pollution values were determined. High pollution values were obtained for As, Mo and Sb elements in all pollution indices calculated. The pollution levels of the three elements were determined as strongly to extremely contaminated according to Igeo values, the others except As (very severe enrichment) according to EF values were determined as severe enrichment, and according to PI, all three were determined as strong polluted. Pollution and element distribution maps were created with a geographical information system software. According to the results of correlation analysis and cluster analysis, the elements found to be contaminated are divided into two groups, whose locations and sources of contamination are different. The first group (Sn, Zn and Pb) is observed in the approximate centre of the study area and developed due to traffic emissions. The elements belonging to the second group (especially As, Mo and Sb) show high pollution values in the south-southeast of the study area. These pollutions are thought to be caused by the inadequate storage of mineral oils and batteries that are changed in the industrial site and from leaks in the oil production, storage, refining and transmission phase in TPAO, TÜPRAŞ and BOTAŞ. The analysed samples were compared with the Soil Pollution Control Regulation and WHO standards, and Co, Ni and As element values were found to exceed the permissible values for health
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    Geochemistry of Kızılağaç (Muş) metagranite exposed at Bitlis Massif, Eastern Anatolia
    (Batman Üniversitesi, 2018) Baran, Hacı Alim; Çoban, Hakan; Kumral, Mustafa; Polat, Süleyman; Kalkan, Özcan Ali
  • Küçük Resim Yok
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    Geochemical features of Menteşe formation dolomites (Rhaetian) in the Karacahisar-Kasımlar area (Isparta-Turkey)
    (Nevşehir Hacı Bektaş Veli Üniversitesi, 2017) Dinç, Salih; Özkan, Ali Müjdat
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    Doğaltaşların sanata dönüştüğü yer Batman Üniversitesi
    (TMMOB Jeoloji Mühendisleri Odası, 2013) Baran, Hacı Alim; Arslan, Şükrü; Kınacı, Eyyüp Hikmet; Yaldız, Tahsin; Pınarkara, Şükrü Yavuz; Nalbantçılar, Mahmut Tahir
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    Mineral exploration using remote sensing: the case of Hakkari
    (Dicle University, 2019) Baran, Hacı Alim; Nalbantçılar, Mahmut Tahir
    Hakkari is an important province in terms of natural resources. It is a city where mining activities have been observed since the Roman Period, which is located in an important metallogenic belt of our country and which has become famous in this field with the increasing mining activities in recent years. The region has a geological structure consisting mainly of carbonated rocks, ranging from Permian to Jurassic age. On these units, Campanian-Lower Maastrichtian aged Yüksekova melange, Paleocene and Miocene aged sediments are unconformably observed. The region is geologically passive continental margin. These geological environments are important for metals such as Cu, Pb, Zn and some industrial materials such as barite. When the mineralizations known in Hakkari are examined; there are 3 pieces chrome quarries connected to ophiolitic melange, 5 pieces marble quarries connected to carbonate rocks, 10 pieces Pb-Zn and 2 Cu deposits. Considering its geological structure, characteristics and existing mineral deposits, it is highly likely to host other mineralizations whose existence has not been determined. In this study, geological structure and tectonic environment of Hakkari province have been investigated and remote sensing techniques have been used in order to determine existing mineral deposits and potential potential mine sites. In this context, lithological mapping, band ratio, contrast stretching, color composite image generation techniques were used on Landsat 8 satellite image of Hakkari province. As it is known, most of the mineral deposits are not observed directly on the surface. These deposits can often be determined by the determination of the alteration minerals or zones indicating mineralization. In this context, as a result of determination of alteration sites with the help of ferrous formations, clay and hydroxyl minerals, the detection of existing deposits has been performed successfully. In addition to the detection of existing deposits, the presence of 2 possible mining sites in the southeast of the province was determined.
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    Geochemical features of the Menteşe Formation dolostones (Rhaetian) in the Karacahisar-Kasımlar area (Isparta-Turkey)
    (SpringerLink, 2018-08) Dinç, Salih; Özkan, Ali Müjdat
    The purpose of this study is to determine the geochemical characteristics of the Menteşe dolostones (Rhaetian) in the west Taurus Mountains, Turkey. The isotope characteristics of the Menteşe dolostones show a variation in the δ18O values of the dolomites between + 1.35 and − 2.72‰ (VPDB) and a variation in the δ13C values of the dolomites between + 1.6 and + 3.33‰ (VPDB). Most of the Menteşe dolostone samples have positive oxygen isotope values; others have weak negative isotope values, which indicate early diagenetic development. In addition, oxygen, carbon, and strontium isotopes and trace element analyses suggest that these dolostones were probably resulted from insignificant recrystallizaion process than chemically similar fluids. Furthermore, Mn/Sr values of the Menteşe dolostones indicate that there is no significant diagenetic alteration. The total REE contents of the Menteşe Formation dolostones display a strong positive correlation with Si, Al, Fe, K, Ti, Ba, Rb and negative correlation with Mg, hence REE content is associated with in the first degree titanium-bearing minerals (probably sphene, rutile, anatase), second degree phosphate (apatite), and barium and rubidium-bearing minerals (probably barite). Ce anomalies versus Nd concentrations of the Menteşe dolostone samples indicate that these dolostones are formed in an anoxic environment. In addition, the K/Rb ratios of the Menteşe dolostones are not exposed to any metamorphism and indicate some diagenetic alteration. Calculated temperature values using δ18O values of the Menteşe dolostones yield precipitation temperatures of 17 to 42 °C, and suggest burial depths of 67 to 900 m. Sources of magnesium for dolomitization of the Menteşe Formation carbonates were most likely fluids from seawater and/or diagenetic brines (slightly modified seawater). The Menteşe dolostones formed as early diagenetic (Rhaetian to Cenomanian) in shallow burial areas at lower temperatures than seawater and/or diagenetic brines (slightly modified seawater).