Jeoloji Münendisliği Dergisi
Jeoloji Mühendisliği Dergisi

Jeoloji Mühendisliği Dergisi

1987 OCAK/NİSAN
COVER
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COPYRİHT PAGE
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CONTENTS
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TO OUR READERS
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Graphite Génération in Metamorphics Between Kezban Alam-Ehna Deresi (Afyon) Area
Ziya Gözler Mehmet Ali Dinçer
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ABSTRACT: Metamorphie rocks that are seen m a wide area between Kezbanalanı-Eİma Deresi, are belong to the green schist faciès and had been affected by a low grade metamorphism. Hie metamorphics consist of alternations of phyllite* serieitie schist, quartz-albite-muscovite-amphibole schist, metadiabase, quartzite, marble and have been intensely altered in places - Dark black coloured graphite with variable carbon content and fine to medium thicnesses occurs wimin this metamorpic sequence. Graphite is thought to have formed by the result of metamorphism of the sedimentary rocks. A thick Mesozoic sequence that starts with basal conglomerate and continues with dolomitic and cherty limestones, oceurs further north (south of Karadağ) over the rocks formed Pre-Lower Triassie metamorphism of detritie and carbonate rocks

  • Kezban Alam-Ehna Deresi

  • Metamorphics

  • Graphite Génération

  • Rock

  • BİNGÖL, E,, 1977, Muratdağı jeolojisi VÊ ant kayaç birimlerinin petrolojisi: TJ.K. Bull, 20, 2

  • BRENÏCH, G., 1954, 1/100,000 ölçekli Genel Jeolojik harita izahnamesi Akşehir (90/1,2,3.4) ve Dgm (91.1.3) paftalan: MTA Rap, No: 2514 (basılmamış) ANKARA

  • DEMÎRKOL, C,f 1977, Sultandağlarının stratigrafisi ve jeolojik evrimi: MTA Rap, No* 6305 (Basılmamış.) ANKARA

  • ERİŞEN, B,, 1972, Afyon-Heybeli (Kmlkilise) jeoiermal araştırma sahasmın jeolojisi ve jeotermal olanakları* MTA Rap. No: 5490 (Basılmamış) ANKARA

  • GÖZLER, Z.f CEVHER, R ve KÜÇÜKAYMANf A.f 1985, Eskişehir civannm jeolojisi ve Sıcak su kaynaklan: M.T.A, Dergisi, 103404,

  • KULAKSIZ, S,, 1981, Sivrihisar KB! sınm jeolojisi- H.Ü.Y.B. Dwgisi, 8, 103-124, ANKARA

  • ROMIEUX, Lf 1942, Sivrihisar Paşadağlan ve Emirdağlan bölgesinin jeoloisi hakkında rapor: MTA Rap, No: 1431 (Basılmamış) ANKARA

  • UMAN, Ö, YERKÖK, A.R, 1979, Emirdağ (Afyon) dolayının jeolojisi.- MTA Rapor No: 6604

  • WIRTZ, D. 1955, 73/1,2,3,4 Emirdağ ve Katrana paftalarında yapılan jeolojik harita çalışmaları hakkında repon MTA Rap No: 2363 (Basümamii) ANKARA

  • Petrographical and Chemical-Mineralogical Characteristics ofCefaîıkdağ and Baranadağ Platans (Kaman)
    Hasan Bayhan
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    ABSTRAC : Major and some trace element chemical analyses have made, for 12 samples belonging to Cefahkdağ and Ba.ran.adag Pinions, and these piétons, are placed in `the central part, of Middle- AnadoHa granitoid belt, In these phuons» two petrograpMcal rock. groups aie determined» according to petiograpldcal and chemical-mineralogical characteristics. These are .subalkaltne and alkaline groups which belonging, to cafemic associations and show metaluminous characteristic. Subalkaline rocks,, which have monzonitic composition.» like "minimum melt-I type", and alkaline rocks which have syenitic composition» like "A type" granitoid. Both of two petrographical groups derived from, different magmatic melting which occuied partial melting, of the same source material (crosn-mantel) in, two different stage.

  • Cefaîıkdağ and Baranadağ Platans

  • Petrographical

  • Mineralogica

  • Chemical

  • ATAMAN, G,, 1972, Ankara`nın güneydoğusundaki granitgranodiyoritik kütlelerden Cefalık Dağın radyometrik yaşı hakkında ön çalışma: Hacettepe Fen ve Müh,Bil. Derg,, 2/ 1, 44-49

  • AYAN, M,, 1963, Contribution a î`clude petrugraphique et géologique de la region située an Nord-Est de Kaman: MTA Yayını, 115, 332 s„ Ankara

  • BAYHAN, ü, 1984, Kesikköprü Skarn Kuşağının (Bala-Ankara) mineralojisi vé petrojenezi: Yerbilimleri, 11, 45-57,

  • CHAPPELL, B.W. ve WHITE, AJJU 1974# Two contrasting granite types: Pacific GeoL, 8, 173-174,

  • COLLmS, WJ, BEÀRNS, S.D., WHITE, A.J.R ve CHAPPELL, B,W,, 1982, Nature and origin of A type granites with particular reference to Southeastern Australia; Contrib, Mineral. Petrol,, 80, 189-200

  • DEBON, F. ve Le FORT, F,, 1982, A chemical-mineralogical classification of common plutoinc rocks and associations: Transaction of the Royal Soc, of Edinburg Earth Sei,, 73, 135-149,

  • ERKAN, Y„ 1975, Orta Anadolu Masifinin güneybatısında (Kırşehir bölgesinde) etkili rejyonal metamorfizmanin petrolojik incelenmesi: H,Ü, Yerbilimleri Enst,, Doçentlik Tezi, Ankara, 147 s,f Yayınlanmamış

  • ERKAN, Y,, 1976 a, Kırşehir çevresindeki rejyonal metamorfik bölgede saptanan izogradlar ve bunların petrolojik yorumlanmaları: Yerbilimleri, 2/lf 107-111.

  • ERKAN, Y.. 1977, Orta Anadolu Masifinin güneybâtısmdaKırşehir bölgesinde etkili rejyonal metamorfizma ile amfibol minerallennin bileşimi arasındaki ilişkiler; Yerbilimleri, 3/1, 41-46,

  • ERKAN, Y, ve ATAMAN, G,, 1981, Orta Anadolu Masifi (Kırşehir Yöresi) metamorfizm a yaşı üzerine K-4r yöntemi üe bir inceleme* Yerbilimleri, 8, 27-30

  • GÖRÜR, N,, 1981, Tuzgölü-Haymana havzasının stratigrafik analiziı Türkiye JeoLKur, 35, BU, ve Teknik Kurultayı, İç Anadolu`nun Jeolojisi Simpozyumu, 60-65

  • OKTAY, F,Y„ 1981, Savcıhbüyükoba (Kaman) çevresinde Orta Anadolu Masifi tortul örtüsünün jeolojisi ve sedimantolojisi: İTÜ Maden Fakültesi, Doçentlik Tezi, Istanbul» 175 s.f Yayınlanmamış.

  • SEYMEN, t, 1981 a, Kaman (Kırşehir) dolayında Kırşehir Masifinin stratigrafisi ve meumorfizması: Türkiye JeoLKur.Bült,, 24, 101-108

  • SEYMm^t L, 1981 b» Kaman (Kırşehir) dolayında Kırşehir Masifisinin melamorfizması: Türkiye JeoLKur, 35. Bil. ve Teknik Kurultayı, İç Anadolu`nun Jeolojisi Simpozyumu, 12-15,

  • SEYMEN, t, 1983, Tamada| ÇCaman-Kırfehir) çevresinde Kaman grubunun ve onunla sınırdaş oluşukların karşılaştırılmalı tektonik özellikleri; Türkiye Jeol.Kur.Bült., 26, 89-98,

  • SEYMEN, I,, 1984, Kırşehir Masifi Mëtamorfiderinin jeoloji evrim« Türkiye JeoLKur,, Ketin Simpozyumu, 133-148.

  • TOLLUOÖLU, A.Ü., 1986, Orta Anadolu Masifinin güneybatısında (Kırşehir yöresinde) petrografik ve petrotektonik incelemeler: H,Ü, Fen Bilimleri Ens t.. Doktora Teâ, Ankara, 237 s,, 8 Ek, Yayınlanmamış,

  • WHITE, AJJL ve CHAPPEÜ, B,W„ 1977, Wtrametamorphism and granitoid genesis: Teetonophsies, 43, 7-12,

  • Diapirs Emplacement Along Tensional Fractures
    Tahir Emre
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    ABSTRACT: The Suzette and Propiac-Condorcet diapirs of the Southern .Alps of France» emplaced along `"en echelon11 tensional fractures; of strike-slip fault, zones; which formed by the N-S compressional forces of the. Pyreneo-Provînctal plias« of the pre-Oligocene time., The Suzetle diapir has ultimately gained "SM sha|pes that. is. a, characteristic structure of subjected fault zones of tensional fractures., The Suzette diapir is overlained by the Oligocène» and the Propiac-Condorcet diapirs by the Miocene successions. Both, of these younger successions later were tilted and locally overturned by the reactivation of the diapirs.

  • Tensional Fractures

  • Diapirs

  • Fransa

  • Alpine Mountain Range

  • ARNAUD, H,, 1973, Mise en évidence d`un important décalage anté-miocène, de sens sene s ire, le long de la faille de Presles (Vercors oriental)* C,R, Âead, Se. Paris, 276, D, 2245-2248

  • BAUDRIMÖNT, Â.F., DUBOIS, P.^ 1977, Un bassin mésogéen du domaine péri-alpin; le SE de la France: Bull, Centre Reach. Explor.-Prod.Elf-Aquitaine, France, 1,1,261-308

  • BRASSEUR, R,, 1962, Etyde géologique du Massif de Suzette (Vaueİuse): Thèse, Lyon, 195 s, (yayınlanmamış),

  • EMRE, T., 1977, Contribution a Fétude de quelques dkpirs du SE de la France, Thèse, Grenoble, 142 s, ^aymlanmaniif),

  • EMRE, T, ve TRUC, O,, 1978, Mise en évidence d`un contact discordant Oligocène-Trias dans le Massif de Suzette, Im» plications tectoniques et conséquences sur l`origine des évaporites ludiennes du bassin de Moimoiron (Vaucluse): Géologie Alpine, Grenoble, 54, 17-23

  • HILLS, Ë.S., 1963, Elements of structural geology: Methuen and Co LTD, London, s. 172

  • ROBERT, LP,, 1976, Les décrochements, fracturation s et mouvements de blocs associés. Exemples des massifs subalpins Dauphinois: Thèse, Grenoble, 155 s, (ysymlfminftmif).

  • VIALON, P., RUHLAND, M„ ve GROUER, J,, 1976, Eléments de tectonique analiûque; Maison et Cie, Paris, s, 22.

  • Clastic Petrcfactes and Sedimentology of the Karsantı Miocene Sandstones-Northern Adana (Turkey)
    Sema Yurtmen Şaziye Abaci Songül Gökçen
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    ABSTRACT: Structural textural and petrographical properties and paleocunent directions of the Miocene Karsan ti sandstones have been investigated within an area of 75 sq-km in. tie Karsanü. region (N of Âdâna) by means of detailed sedimentological logging and sedimentary petrological studies. The geological age of the Kanamı Formation has also been determined by microfossil dating as Upper Miocene. On `the basis of detailed geologic, micromineralogic and petrological studies. `The sedimentation model and paleogeographlcal reconstraction of the Kars anlı Formation in area investigated were reconstructed. As a result of these studies it has been postulated that the clastic sequence of Aie Karsantı Formation deposited in a shallow marine environment with two allocthonous coalbearing carbonate levels in the. lower - middle and middle- upper levels which formed tinder lagunar and/or fluviatile conditions. Results of these sedimantarv petrological studies revealed that detritus of the Karsanti arenites were derived from a. northernly basic-ultrabasics rich provenance, i.a. Taurusophi.oliti.que Subduction Complex, and. Karsanti stratigraphie sequence postulated as an arctrench gap related sedimentary unit.

  • Karsantı Area

  • Sandstones

  • Sedimentology

  • Petrcfactes

  • ABACI, Ş., YURTMEN,, S. GÖKÇEN» SX.. KAFUR, S ve, ÇAVUŞGÎVV..S...,, 1985 Kanattı Bölgesi (Kuzey Adana) Genç. Tersiyer istifi knmtaglaıuun kü mmeralojisi: II. Ulusal `Kil Simpozyamiı Bildirileri, Hacettepe Oniyersitesi Ankara, 24-27 Eylül, 1-12.

  • ABACI,, Ş., 1986,. Çukurova. Baseni Karsanü Yömsi Genç Tersiyer İstifimin kil mineralojisi: Çukurova Üniversitesi» Fen. Bilimleri Einst» Mästet Tezi» No. 94, 60 s., 2 Ek, Balcalı/Adana

  • ANDEL, VAN TJF.H..» 1958, Origin mâ classification of Creîaceous Paleoeene and ^Eocene sandstone of Western Venezuela; A,Aİ».G. BulL, 42» 734-763.

  • ATAMAN, G... ve. GÖKÇEN, S.L., 1975`, Etetennmatioıı of source and. paleoclimate from, the comparison of grain and clay fractions, in sandstones; a case study: Sedimentary Geology, 13, 81407.

  • BtNGÖL, A.Rt 197%, Petrologie du Massif OpMoltique de Po- :zantı-Karsantı (Tmras Çilden, Turquie), Etude de la Partie Orientale, Thèse de`Spécialité, Üniv. Strasbourg, 227 s.

  • BLATT, IL, MtöDLETON, G. ve MURRAY, R.t 1972, Origin -of sedimentary nocks:: Prentice-Haü, New Jersey t 634 s.

  • BLATT H„ 1982, Sedimentary Petrology- W,H, Freeman and Company, England, 400 s

  • BLUMENTHAL, M., 1952, Dis, Taurische Hocgebirge des Âladağ never© Forschungen zu seiner Geographie Stratigraphie und Tektonik: M.T.A, Enst., Seri D, No, 6, 136 s, Ankara,

  • COLLmSON, J,D, ve THOMPSON, D.B„ 1982. Sedimentary structures! George Allen and Unwin, London, 194 s

  • ÇABUK, t, AKIN, A.K, ve AÇAN, S,, 1977, ÇanakpmanKızılyüksek, Kavastk-Doruçah krom ocaklan ve çevresine ait rapor: M.T.A, Enst., Der, No, - M-320, 121 s, (yayınlanmamış), Ankara,

  • ÇAKIR, Ü,, 1978. Petrologie du Massif de Pozantı-Karsantı (Taurus Cüieien, Turquie) Etude de la Partie Centrale: Thèse Doctorat dTngenieur, Univ. Strasbourg, 251 s,

  • ÇATAKLÏ, A.Ş,, 1983, Assemblage ophiolitique et roches assodees de la partie occidentale du massif de PozantiKarsanu (Taurus Cilicien, Turquie)- These d`Etat, Univ, de Nancy I, Lab Petrologie, 760 s,

  • DİCKDMSÖN, W,R, ve SUCZEK, C,A,f 1979. Plate tectonics and sandstone eompositions:A,A.P,G, Bull,, 66, 2164-2182,

  • DlCKÎNSQN,W,R.,1982, Composition of sandstones in circumpaçific subduction complexes and Fore-Arc Bassins : À,A,P.G,BulL, 66-121-137

  • FOLK, R,L, ve WARD, W,C„ 1957, Brazos river bar, A study m the significance of grain size parameters,- Jour, Sedimentary Petrology, 27, 3-26

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  • FLOYD, P,A,, KELLmc, G,, GÖKÇEN, S.L, and GÖKÇEN, N., 1986, Trace element geochemistry and tectonics environment of volcanic rocks from the Misis Melanga, Adana, Southern Turkey* Contri, Mineral, Petrol,, (In Press),

  • GÖKÇEN^, ve GÜNDOĞDU, M.N., 1983, DenizH-Muğla Neojeninin Kil mineralojisi, I. Ulusal Kil Sempozyumu Bildirileri, Ç,Ü, Adana, 21-26 Şubat,

  • GÖKÇEN, S.L., 1972, Keşan bölgesi kumtaşlannm yapısal/ dokusal özellikleri ve bölgenin sedimanter fasiyesleri: Hacettepe Fen Müh, Bilim, Derg., 2, 50-68

  • GÖKÇEN,S,L,, 1981, Zara-Hafik güneyindeki paleojen istifinin sedimantolojisi ve pâleoçografik evrimi .`Yerbilimleri 8 1-26.

  • GÖKÇEN, S.L, KELIİNG, G,, GÖKÇEN, N, ve FLOYD, P.A„ 1986a Çukurova Baseni Misis Karmaşığı tektonosedimanter birimlerinin stratigrafisi: Türkiye jeoloji Kurultayı Bildiri Özetleri, Ankara, 54-55,

  • GÖKÇEN, S,L„ KELÜHG, G,, GÖKÇEN, N, ve FLOYD, P.A,, 19S6b, Çukurova Baseni Misis Karmaşığının straügrtfik ve Tektonik evrimi: Yerbilimleri, 13 (Baskıda)

  • GÖRÜRf N., 1979, Karaisalı kirectaıımn (Miyosen) sedimantolojisi: T,J,K, Bülteni, 22, 227-232,

  • GÜRBÜZ, K, ve GÖKÇEN, S,L, ve GÖKÇEN, N,, 1985, Some stratigraphical Adana Basin-SouthemTurkey: VlC`th Congress of the Regional Commitee on Mediterranean Neogene Stratigraphy, Budapest, 15-22 September, 238-240,

  • ÎLHAN, E.t 1976, Türkiye Jeolojisi: Nuray Matbaası, 239 .t., Ankara

  • JACKSON, M.L„ 1969, Soil Chemical Analysis, Advanced Course, Published by the author. Department of soil science, University of Wisconsin, 895 s, ModisonU.S.A,

  • KAPUR, S,, GÖKÇEN, S,L,, ve YAMAN, S,, 1984, CaHche formations in the Late Tertiary Adana - Turkey ; IAS 5`th Europ, Mtg., Abst,, 1, 230-231, Marseille-France,

  • LEEDER, M.R,, 1982, Sedimentology; Pro ess and Product; George AUen and Unwin Publ, Ltd,, 344 s, London,

  • METZ, K„ 1939, Beitrage zue géologie des Kilikisçhen Taurus in gebiete des Alada|: Sitz, Ber. Ak, Wiss, Wien Abst, 1, 148, 7-10,

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  • MİALL, A,D„ 1985, Principles of sedimentary basin analysisSpringer-Verlag, 490 s., New York,

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  • OKADA, H,, 1971. Classification of sandstone; Analysis and proposal: The Journal of Geology, 79, 509=525

  • OVALIÖĞLU, R,, 1963, Die chromerzlagerstatten von Pozantı Reviers und ihre ophiolitischen Muttergestine: M,TA, Enst, No, 114, 35 s., Ankara,

  • PETTUOHN, F,J„ POTTER, RE, ve SÎEVER, R.f 1968, Geology of sand and sandstone: Springer Verlag, 618 s Heidelberg

  • POTTER, P,E, ve PETTUOHN, F,J., 1963. Paleocurrent and bask analysis: Gottingen and Heidelberg, Springer Verlag, Berlin, 296 s,

  • SCHMIDT, G,C, 1961, Vn, Adtna Petrol bölgesinin stratigrafik nomenklatörü; Petrol Dairesi Bülteni, Ankara, 6, 47^63,

  • SINGER, A,, 1984, TTie Plaeoclimatic interpretation of clay minerals in sediment-a review- Earth-Sci, Rew. 21 251- 293,

  • TEKELİ, O„ AKSAY, A,, ÜRGÜN, M,B. ve IŞIK, A., 1983, Geology of the Âlâdağ Mountains: Geology of the Taurus Belt, International Symposium, 26-29, September Ankara, 1453458.

  • TERNEK, Z,, 1953, Mersüı-Tarsus kuzey bölgesinin jeolojisi, M,T,A, Dergisi, 44-45, 18-62,

  • TERNEK, Z,, 1917, Adana Baseni Alt Miyosen (Burdigaliyen) formasyonlan, diğer formasyonlarla ilişkisi ve petrol olanakları: M,T,A, Dergisi, 49, 60-80,

  • TRAVÎS, R.D,, 1970, Nomenclature for sedimentary rocksA.A,P,G, Bull,, 54, 1095-1107.

  • YETİŞ, C„ DEM1RKOL, C, ve KEREY, E,, 1986, Adana Havzası Kuzgun Formasyonunun (Üst Miyosen) fasiyes ve ortamsal nitelikleri; T,J.K, Bülteni, 29, 81-96,

  • YURTMEN, S,, 1986, Çukurova Baseni Karsantı yöresi kırıntılı kayaçlannın petrografik ve petrolojik özellikleri; Çukurova Üniversitesi, Fen Bilimleri Enst, Master Tezi, No, 95, 82 s,, 2 Ek, Balcaü/Adanä.

  • Characteristic Features of the Tertiary Aged Pseudo-Basalts qfManisa-BalikesirArea, Western Anatolia
    Tuncay Ercan Ahmet Türkecan Bülent Can Erdoğdu Günay Ali Çevikbaş Müslüm Ateş
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    ABSTRACT:  Tertiary basic volcanic« which, crop out -over an. area of `9000 kim^ `between Manisa and Balıkesir` are divided in to fivedifferent eruptional phases and. the results of petrochemical analyses and genetic interpretations are given.. Some of the rock,,,, appearing as alkali basalts in the field are. evaluated to be quartz latite .and andésite and named as "Pseudo-basalts** through geochemical data and pétrographie observations. Those pseudo-basalts, which, form a special volcanic group in Western Anatolia are. believed to have, a crustlcmantle origin. The hybrid magma which is the mix.tu.re of the crust and the mantle was formed the pseudo-basalts from Upper Oligocène. The pseudo-basalts acquire a characteristic alkali basalt composition from. Pliocene onwards due to progressive, decrease of the crustal material. Former investigatiois which have worked in the area described as "basalts`* and named some fonmations on, those volcanic rocks. It is necessary that new researches must, be made and the names of `the formations must, be corrected

  • Western Anatolia

  • Manisa-Balikesir

  • Pseudo-Basalts

  • Petrochemical

  • AKYÜREK, B, ve SOYSAL, Ş., 1978, Kırkağaç-Soma (Manisa), Savaftepe-Korueu-Ayvalık (Balıkesir) ve Bergama (îzmir) civarının jeolojisi : MTA Rap, No. 6452 (Yayınlanmamış).

  • AKYÜREK, B. ve SOYSAL, Y„ 1983f Biga yarımadası güneyinin (Savaştepe-Kırkağaç - Bergama - Ayvalık) teme jeoloji özellikleri: MTA Derg, 95/96, I-İ2,

  • BEND A, L„ nWOCENTI, F„ MAZZÜOLt, R„ RADÎCATİ, F., ve STEFFENS, P., 1974, Stratigraphie and radiomelxie data of the Neogene in Northwest Turkey: Z. Deutsch, GeoL Ges., 125, 183-193

  • BORSÎ, S„, FERRARA, G„ ÎNNOCENTÎ, F„ ve MAZZUOLl, R„ 1972, Geochronology and petrology of recent volcanics in the eastern Aegean sea: Bull. Volcan., 36/I, 73-496

  • COX., K.G., BELL, J.D., ve PANKHURST, R.J., 1979, The interpretation of igneous rocks: George Allen and Unwin Ltd,, London,, 540s,

  • ÇOĞULU, E., 1976, Petrografi ve petroloji, Cilt IMagmatizma: ÎTÜ Yayını, HE, İstanbul,

  • DORA, ք 1967, EZER GÜNGÖR`e ait kurşun ruhsat sahasmm (Maden adası, Ayvalık) metalojenik ve jeolojik raporu: MTA Rap. No. (Yayınlanmamış).

  • DORA, ք ve SAVAŞÇIN, Y., 1982, Alibey-Maden ada» lan (Ayvalık) bölgesi magmatizması:Tübitak 7. Bilim Kongresi Yerbilimleri Seksiyonu Tebliğler Kitabı, 11-35

  • DEWEY, J.F., ve ŞENGÖR, Â,M,C,f 1979, Aegean and - surrounding regions; complex multiplate and continuum tectonics in a eovergent zone: Geol, Soc, Amer, Bull,, 90, 84-92.

  • ERCAN, T,, 1979, Batı Anadolu, Trakya ve Ege adalarındaki Senozoyik volkanizması : Jeoloji Mühendisliği Derg,, 10, 117-137,

  • ERCAN, T,, 1981, Batı Anadolu Tersiyer volkanitleri ve Bodrum yarımadasındaki volkanizmanm durumu: İstanbul Yerbilimleri Derg,, 2/3-4, 263-282,

  • ERCAN, T,, 1982, Kula yöresinin jeolojisi ve volkanitlerin petrolojisi: Istanbul Yerbilimleri Derg,, 3, 77- 124.

  • ERCAN, T. ve GÜNAY, E., 1984, Kuzeybatı Anadolu, Trakya ve Ege adalarındaki Öligo-Miyosen yaşlı volkanizmanm gözden geçirilişi: Onuncu yıl Türkiye Jeoloji Kurultayı Tebliğler Kitabı (Baskıda),

  • ERCAN, T,, TÜRKECAN, A,, GÜNAY, E,, ÇEVÎKBAŞ, A,, ATEŞ, M,, CAN. B, ve ERKAN, M,, 1984 a, Dİkİli-Çandarlı-Bergama (îzmir) ve Ayvalık-EdremitKorucu (Balıkesir) yörelerinin jeolojisi ve magmatik kayaçiann petrolojisi: MTA Rap,No, 7601 (Yayınlanmamış),

  • ERCAN, T., GÜNAY, E,, ÇEVÎKBAŞ, A,, ATEŞ, M., KÜÇÜKAYMAN, A., CAN, B. ve ERKAN, M,, 1984 b, Bigadiç çevresinin (Balıkesir) jeolojisi, magmatik kayaçlann petrolojisi ve kökensel yorumu: MTA Rap,No,76ÖÖ (Yayınlanmamış)

  • ERCAN, T., GÜNÂY, E, ve TÜRKECAN, A,, 1984 c, Edremît-Korucu yöresinin (Balıkesir) Tersiyer stratigrafisi, magmatik kayaçların petrolojisi ve kökensel yorumu: Türkiye JeoLKurJBüU, 27/1, 21-30.

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  • Stratigraphicaî Position of the Omphaİocyclus Macroporus-Orbitoides Médius Biozone in Adıyaman Region (Southeast Anatolia)
    Engin Meriç İzver Tansel
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    ABSTRACT: As in known that the Maastrichtian stage is divided in to two chronozones by benthic foraminifers, but it is divided in to three by planktk foraminifers. On the other hand, until now Omphalocychn macroporas-Orbitoides médius biozone has always becn^ aged as Upper Maastrichtian. However,,, where it could be controlled, by planktic foraminifers » it is observed that this zone is equivalent of Middle-Upper Maastrichtian,. This situation is explained in. this paper with its proofs,.

  • Adıyaman

  • Omphaİocyclus Macroporus-Orbitoides Medius Biozone

  • Stratigraphicaî Position

  • Southeast Anatolia

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  • Geochemistry of the Recent Black Sea Sediments
    Namik Çağatay Taner Saltoğlu Abdullah Gedik
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    ABSTRACT: Geochemistry of the Recent Black Sea sediments; comprising the Coccolithic, Sapcopelic and. Lutite units is largely governed by the special characteristics of the Black, Sea» related to its geology,,, morphology, biology and chemistry. According to their statistical distribution, their abondance in, the three units, and their areal distribution,,, the trace elem.en.ts in the Black Sea sediments fall, in to the "aothigerac" and "allogenic" element groups. The. aothigenic elements occur as associated largely with the auttrigenic minerals and organic: matter,, and have been syngenetieally incorporated in to the sediments. `The Sapropelic unit, is relatively more enriched in the. authigenic elements such, as- Mo, U, Co, B, Ni,, G>, V and B than, the other two units.. `These elements show trends of increasing concentration towards `the. abyssal plains of the Black Sea basin, which are generally characterized by low rates of sedimentation.. On. the other hand» the allogenic elements such as `Ti, Zr, and; Cr which are dominantly of detrital mineral origin, occur in higher concentrations in the Lutite unit than the Sapropelic and Coccolithic units. Vanadium and Ni, which appear as authigenic elements in the Sapropelic unit, present a characteristic .allogenic distribution pattern, in. the Coccolimic and Lutite units. Compared with the Lutite and. Sapropelic. units,, the Coccolithic unit is relatively elevated in Ca and Sr, which is widely due to* the CoccoMtMc shells made up of CaCC^.. Moreover, the Coccolithic unit is more enriched in SİO2 •• AI2Ö3 and TID2 than the Sapropelic: unit..Ä `Comparison of the average composition of `the Black Sea sediments with that of the deep sea sediments shows that the former are considerably depleted in many elements including Co, Ni,, Co, B, Mn. and. V. On the other hand,,, the average composition of the Black Sea, sediments is similiar to that of shales except for the higher content of Ga, and. relatively lower contents of V, Pb, Cu, Ba and Y.

  • Black Sea

  • Recent Sediments

  • Geochemistry

  • Morphology

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