 | | Journal (article/letter/editorial) | | Feldspathization of Metavolcanics and Granitoids, Avnik Area, Turkey C. Helvaci* and W.L. Griffin Mineralogisk-Geologisk...Museum, Sars Gate 1, Oslo 5, Norway Abstract. In the Avnik area of the Bing61 massif the Lower Unit consists...Hall 1976; Genc 1977; Erdogan et al. 1981). In the Avnik area rocks are Subdivided into Lower and Upper units...massive apatite-rich iron ores, and intruded by the Avnik granitoid and the Yayla granite (ca. 350 Ma; Helvaci...the Eastern Taurus fold-belt of Southeast Turkey. The Avnik (Bing61) area is situated in the western part |  | | Report (chapter) | | Massif, Avnik (Bing61) area, S.E. Turkey Cahit Heivaci & William L. Griffin SUMMARY: In the Avnik area,...apatite-rich iron ores, and are intruded by the Avnik and Yayla granitoids. These rocks are unconformably...347 + 52Ma (IR = 0.7217 + 80) but the albitized Avnik body gives only a scatter of data suggesting an...section define an age of 91 + 9 Ma. One sample of the Avnik granitoid gives an amphibole-rock-feldspar age of...age of 41 + 1 Ma; a micaschist gives a chlorite-muscovite age of 38 + 2 Ma. An isochron age of 454 + 13 |  | | Journal (article/letter/editorial) | | the Anatolian plate and the Arabian Foreland (E Turkey) deduced from the geological and geophysical data...Department of Geological Engineering, 32260 Isparta, Turkey Süleyman Demirel University, Department of Geophysical...Geophysical Engineering, 32260 Isparta, Turkey Received 9 April 2007; received in revised form 1 August...depth; Mantle; E Turkey 1. Introduction The Eastern Anatolian Contractional Province (EACP) including...Arabian and Eurasian plates. This contractional province is bounded by the Pontide Belt (PB) in the north |  | | Journal (article/letter/editorial) | | pp. 354-371 Apatite-Rich Iron Deposits of the Avnik (Bing61)Region, SoutheasternTurkey C. HELVACI* ...by the Avnik granitoid. Introduction and paleontologicevidence (Alt•nh, 1966) and raTHE Avnik (Bing61)apatite-richiron...Eastern Taurus fold belt of southeasternTurkey. The Avnik (Bing/•l)area is which the Bitlis massif has been...andSteelCompanyof Turkey. of the Bitlis massifalong with dominantly granitic of the state-owned The Avnik area was...greenschistto amphibolitefacies. Proven ore reserves in the Avnik area are 104 milThe Paleozoicage of the depositsand |  | | Journal (issue) | | quarterly journal of the Chamber of Mining Engineers of Turkey Baş Editor / Editor-in-Chief Dr. Nejat Tamzok...on behalf of the Chamber of Mining Engineers of Turkey: Ayhan Yüksel Sorumlu yazı işleri müdürü / Responsible...Selanik Cad. No: 19/4 06650 Kızılay-Çankaya / ANKARA TURKEY Tel: +90 312 425 10 80 / +90 312 418 36 57 • Fax:...Mayıs - May 2021 ÖZ Bu çalışma kapsamında, Avnik (Bingöl) demir açık ocak işletmesinde meydana gelen...study, the slope failures were investigated in Avnik (Bingöl) iron open – pit mine. The slope instabilities |  | | Journal (article/letter/editorial) | | AND THORIUM IN PALEOZOIC METAMORPHIC TERRAINS OF TURKEY HUSEYIN YILMAZ and CAHIT HELVACI Dokuz Eyliil Universitesi...Fakiiltesi, Jeoloji Miihendisli~i B61iimii, Izmir (Turkey) (Received March 1, 1985; accepted for publication...and thorium in Paleozoic metamorphic terrains of Turkey. Chem. Geol., 54: 127--133. Sixty-one samples of...amphibolite-facies rocks from different areas in Turkey were analysed for Th, U, K and Na. Th does not...the Ye§ilyurt area. However, U contents in the Avnik area stayed constant. 1. I n t r o d u c t i o |  | Özdamar, Şenel, F.Roden, Michael, Esenli, Fahri, Uz, Bektaş, Wampler, J. Marion (2012) Geochemical features and K-Ar age data from metadetrital rocks and high-K metasomatized metarhyolites in the Afyon- Bolkardağ Zone (Ilgin-Konya), SW Turkey. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 189 (2) 155-176 doi:10.1127/0077-7757/2012/0216 | Journal (article/letter/editorial) | | metarhyolites in the AfyonBolkardağ Zone (Ilgin-Konya), SW Turkey Şenel Özdamar, Michael F. Roden, Fahri Esenli,...metasedimentary sequence is quartz, albite, chlorite, muscovite, biotite, calcite, stilpnomelane, and chloritoid...metavolcanics, K-metasomatism, low grade metamorphism, Turkey. Introduction The study area is located north...(1988). K-Ar age determinations on phengitic muscovite and whole-rock samples were done at the School...Georgia Institute of Technology, USA. Phengitic muscovite crystals were chopped into fine particles while |  | | Book | | M. Bahadır Şahin Editors Mineral Resources of Turkey Modern Approaches in Solid Earth Sciences Volume...M. Bahadır Şahin Editors Mineral Resources of Turkey Editors Franco Pirajno Centre for Exploration...Ankara, Turkey Taner Ünlü Department of Geological Engineering Ankara University Ankara, Turkey M. Bahadır...Directorate of Mineral Research and Exploration Ankara, Turkey Responsible Series Editor: F. Pirajno ISSN 1876-1682... a great leader and the founder of Republic of Turkey. A visit by Mustafa Kemal Atatürk (4th from left; |  | Ustaömer, P. Ayda, Ustaömer, Timur, Gerdes, Axel, Robertson, Alastair H.F., Collins, Alan S. (2012) Evidence of Precambrian sedimentation/magmatism and Cambrian metamorphism in the Bitlis Massif, SE Turkey utilising whole-rock geochemistry and U–Pb LA-ICP-MS zircon dating. Gondwana Research, 21 (4) 1001-1018 doi:10.1016/j.gr.2011.07.012 | Journal (article/letter/editorial) | | Cambrian metamorphism in the Bitlis Massif, SE Turkey utilising whole-rock geochemistry and U–Pb LA-ICP-MS...Merkezi, TR-34210 Davutpaşa-Esenler, İstanbul, Turkey İstanbul Üniversitesi, Mühendislik Fakültesi, Jeoloji...Mühendisliği Bölümü, TR-34850 Avcılar-Istanbul, Turkey c Goethe Universität, Institut für Geowissenschaften...Arc magmatism U–Pb zircon dating Bitlis Massif SE Turkey a b s t r a c t The Bitlis Massif is a regional-scale...of the various continental terranes that make up Turkey and the Balkan region generally suggest an origin |  | | Journal (article/letter/editorial) | | relations of the kyanite-eclogites from eastern Turkey A.I. Okay 1, M.B. Arman 2, and M.C. G6nciioglu...istanbul, Turkey 2 T. $i~e ve Cam Fab. A.$., Ara~tlrma Merkezi, Topkapl, [stanbul, Turkey 3 MTA Enstitiisii...Enstitiisii, Jeoloji Dairesi, Ankara, Turkey Abstract. Eclogites are found as lenses or layers in the Precambrian...gneiss terrain of the Bitlis Massif in eastern Turkey. Kyanite-eclogites from the region of Gablor Hill...kyanite-eclogites from the Bitlis Massif in eastern Turkey are closely associated with amphibole-rich eclogites |  | | Journal (article/letter/editorial) | | Biotite decomposition to an Al-epidote-paragonitic muscovite-secondary quartz assemblage is also associated...the metamorphic fluid may have been paragonitic muscovite in the metasedimentary country rocks. Rubidium...comprised of upper amphibolite grade, migmatitic, muscovite-biotite schist and paragneiss of the Hatchet Creek...K-feldspar (microline and perthite), primary muscovite, biotite, and quartz. Table 1 lists the average...assemblage garnet-biotite-plagioclase-primary muscovite, yielding a thermobarometric estimate of 686~ |  | Andreoli, M. A. G., Smith, C. B., Watkeys, M., Moore, J. M., Ashwal, L. D., Hart, R. J. (1994) The geology of the Steenkampskraal monazite deposit, South Africa; implications for REE-Th-Cu mineralization in charnockite-granulite terranes. Economic Geology, 89 (5) 994-1016 doi:10.2113/gsecongeo.89.5.994 | Journal (article/letter/editorial) | | MetamorphicComplex. 996 ANDREOLIETAL. OKIEP • DISTRICT 'PRAND {AAL TRICT ¸ 0 20 40 I I I I...mineralogicallyinto two groups.The first suggeststhat hematite, muscovite,and chlorite also group includesthe plagiocla...Waters, 1989; Newton, 1992). The hydrousmineral per district,whichwasenrichedin the light REE (La assemblages...worldwide(Ashwal,1993). Sucha featurewouldbe becausechlorite,muscovite, andepidote(Ce)arenot difficultto explainwithout...Watkeys,M.K., Charlesworth, E.G., Gibson,R.L., Province,SouthAfrica:Economic Geology,v. 88, p. 590-605 |  | DRUMMOND, M. S., WESOLOWSKI, D., ALLISON, D. T. (1988) Generation, Diversification, and Emplacement of the Rockford Granite, Alabama Appalachians: Mineralogic, Petrologic, Isotopic (C & O), and P--T Constraints. Journal of Petrology, 29 (4) 869-897 doi:10.1093/petrology/29.4.869 | Journal (article/letter/editorial) | | the P-Tregime where the maximum overlap between muscovite dehydration and minimum melt conditions exist...paragneisses and schists with the assemblage quartz, muscovite, biotite, and feldspar with accessory graphite... and pyrrhotite. Biotite-muscovite schist and migmatitic biotite-muscovite paragneiss (feldspathic metagraywacke)...FIG. 1. Generalized geologic map of the Rockford District, Northern Alabama Piedmont after Schrader et al...Creek Group (Drummond, 1986). The medium-grained muscovite (Table 1) is interpreted as magmatic. Green & |  | | Journal (article/letter/editorial) | | Pb-Zn-F mineralization in the Bitlis Massif, SE Turkey a b Ali Rıza Çolakoğlu , Nurullah Hanilçi & Kurtuluş... Van, Turkey b Department of Geological Engineering , Istanbul University , Istanbul, Turkey Published...Pb-Zn-F mineralization in the Bitlis Massif, SE Turkey, International Geology Review, 53:14, 1593-1621...Pb-Zn-F mineralization in the Bitlis Massif, SE Turkey 1938-2839 Geology Review, 0020-6814 TIGR International...University, Van, Turkey; Department of Geological Engineering, Istanbul University, Istanbul, Turkey (Accepted |  | | Journal (article/letter/editorial) | | (Bookstrom, 1977; Nyström et al., 2008), and the Bafq district of Iran (e.g. Forster & Jafarzadeh, 1994; Daliran...secondary K-feldspar, actinolite, quartz, as well as muscovite, chlorite–epidote, and tourmaline. Alteration...altered subvolcanic rocks; (g) intergrowth of muscovite (Mus) with K-feldspar (kf) in K-feldspar alteration;...replaces primary plagioclase phenocrysts (Fig. 5f). Muscovite occurs locally with the K-feldspar (Fig. 5g)....chlorite and epidote, affecting large areas in the district. Silicification is more dominant than the other |  | | Report (issue) | | analyses (7) from magnetite-apatite deposit, Avnik, Turkey. AMPHIBOLE. Henderson and Gibb, (Trans. Roy...415-436) (1987) Microprobe analyses (4), Grenville Province, Canada. AMPHIBOLE. Thomson et al. (Can. Mineral...(1987) Microprobe analyses (3) from corundum-muscovite rocks, Zimbabwe ANDALUSITE. Kieffer, (Rev. Geophys...Mineral. Abstr. 35, 45 (1984). Stability in system muscovite + quartz = Kfeldspar + andalusite and paragonite...159-165 (1984). Microprobe analyses (1) from S.W. Turkey. ANKERITE. Barber and Wenk, Contrib. Mineral. Petrol |  | | Journal (article/letter/editorial) | | (40 to 60 vol.%), phyllosilicates--phengitic muscovite (15 to 35 vol.%), biotite plus chlorite (10 to...Celebi H (1988) Die Magnetit-Apatit-Lagerst/itte Avnik/Ost-Tiirkei. Fortschr Miner 66: 197-236 Dudek A |  | | Report (chapter) | | the Eastern Taurus Mountains (Elazig region, SE Turkey) A. H. F. Robertson, O. Parlak, T. Rízaoglu, Ü...the Eastern Taurus Mountains (Elazl~g region, SE Turkey) A. H. F. R O B E R T S O N 1, O. P A R L A K 2...Adana, Turkey 3Department of Geological Engineering, Mersin University, Mersin 33343, Turkey 4Department...Engineering, Istanbul University, 34310-Avcdar, Istanbul, Turkey Abstract: Geological information from the Eastern...chain, extending for > 1500 km across southern Turkey to Iran, is one of the most important orogenic |  | | Report (issue) | | Deposit/Site_Name, is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic...duplicates, for some areas we report information for a district or area, as well as for specific deposits or mines...dolomite hematite, magnetite phlogopite, biotite, muscovite molybdenite guano pyrochlore, columbite apatite...the Bijawar rocks of Hirapur-Bassia areas, Sagar District, Madhya Pradesh, India: Mineralium Deposita, v...phosphorite from Chelima-Pachcherla area, Kurnool District, Andhra Pradesh, India: Journal of the Geological |  | | Report (chapter) | | suture line, while in northwestern Iran and eastern Turkey the high Pn velocities are limited to the region...the anomalously low Pn velocities along southern Turkey especially in the vicinity of the Isparta Angle...Regional geology of western Anatolia The Aegean province is situated in the upper plate of a north-dipping...of the CACC includes the Cappadocian volcanic province, containing Upper Miocene to Quaternary volcanic-volcaniclastic...(Whitney et al. 2001) containing abundant garnet–muscovite–quartz gneiss (Whitney et al. 2001). Various thermometry | | | Report (issue) | | Deposit/Site_Name, is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic...duplicates, for some areas we report information for a district or area, as well as for specific deposits or mines...Mardin-Mazidagi-Derik phosphate deposits, southeastern Turkey, in Notholt, A.J.G., Sheldon, R.P., and Davidson...Precambrian Champaner Group, near Gandhra, Panchmahal District, Gujarat, in Rao, G.V., Dasgupta, S.P., Pant,...Erdosh, George, 1979, The Ontario carbonatite province and its phosphate potential: Economic Geology |  | | Report (volume) | | Methodology for analysis of the Proterozoic metallogenic province of southeast Missouri-A blueprint for State and...7-8. Maps showing: 7. Geology of the Kiruna iron district, Sweden 17 Contents Ill 8. Distribution and...S. Hayes, USGS Some observations of the Kiruna district, Sweden, Murray W. Hitzman, Chevron Resources...(Karelides) to the Skellefte province or district. The Skellefte province and areas to the south (Svecofennian...(Luridqvist, 1979). Kiru na District Types of Ores The Kiruna district in northern Sweden contains |  | Mahdavi Akerdi, Mehdi, Malekzadeh Shafaroudi, Azadeh, Karimpour, Mohammad Hassan, Rahimi, Behnam, Santos, Jose Francisco (2021) Evidence of iron oxide-copper–gold mineralization in the Torud-Chahshirin Magmatic Belt, northern Iran: Insight from the Robaie area. Ore Geology Reviews, 129. 103937pp. doi:10.1016/j.oregeorev.2020.103937 | Journal (article/letter/editorial) | | types of granitoids may also contain biotite and muscovite (Chappell and White, 1992). Moreover, these rocks...in many IOCG provinces (e.g., Andes, N Baltic, Turkey, Yangtze), whereas felsic compositions dominate...fluid-rock interaction and fluid mixing). To find province scale gold-rich IOCG deposits, the most important...iron-oxide-copper-gold systems of the Cloncurry district, Australia: Insights from PIXE analysis of halogens...Iron Oxide Cu-Au Prospects in the Olympic Dam District, Gawler Craton, South Australia. Econ. Geol. 102(8) |  | | Report (chapter) | | of Iowa on June 26, 2015 The Maden Complex, SE Turkey: evolution of a Neotethyan active margin G. Aktaw...critical segment of a Tethyan suture zone in SE Turkey dominated by a major nappe pile which, from the...discussed is a segment of the major suture zone in SE Turkey separating the Arabian platform to the south from...of uncertain significance. The Maden area in SE Turkey (Fig. 2) is of crucial importance because, in contrast...FIG. 1. Sketch map of the major tectonic units of Turkey. Inset: the area discussed here. attributed to |  | | Report (chapter) | | Istanbul, Turkey Abstract: It has been suggested that in a number of places such as Greece, Turkey, the Central...formed by the Palaeo-Tethyan suture segments in Turkey, S USSR, and N Iran separating 'Laurasian' tectonic...ophiolites and the accretionary complexes in N Turkey (~eng6r et al. 1980, 1984), in the Caucasus, and...al. (1975), including actinolite-garnetzoisite-muscovite schists and fine-grained gneisses with subordinate...1984; Boulin 1988) on one hand, and those of N Turkey (the Ktire Nappe: ~engrr 1984; Ydmaz & ~engrr 1985) |
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