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Articles 1 - 9 of 9
Full-Text Articles in Physical Sciences and Mathematics
Acknowledgement, Chief Edi̇tor
Acknowledgement, Chief Edi̇tor
Bulletin of the Mineral Research and Exploration
No abstract provided.
The Characterization Studies Of The Northwest Anatolian Halloysites/Kaolinites, Saruhan Saklar, Haşim Ağrili, Okan Zi̇mi̇toğlu, Bülent Başara, Uğur Kaan
The Characterization Studies Of The Northwest Anatolian Halloysites/Kaolinites, Saruhan Saklar, Haşim Ağrili, Okan Zi̇mi̇toğlu, Bülent Başara, Uğur Kaan
Bulletin of the Mineral Research and Exploration
The extraction and characterization studies were carried out on representative samples which were taken from iron bearing parts of halloysite, halloysite/kaolin deposits located in Çanakkale – Balıkesir vicinities in Northwest Anatolia. Halloysites in these samples are generally in the form of hydro halloysite (10 Å) and kaolinite could also be encountered in some parts. Minerals for primary source of pollution in halloysite and kaolin deposits are limonite (geothite) and muscovite. These minerals might contain clay minerals such as; quartz, feldspar, gibbsite, smectite and anatase in their structures. The iron content of the clays can be reduced signifi cantly by hydrochloric …
Conodont Fauna And Biostratigraphy Of The Early-Middle Devonian Units In Beykoz, Şile And Kurtdoğmuş Areas, İstanbul, Turkey, Dilek Gülnur Saydam-Demi̇ray, Şenol Çapkinoğlu
Conodont Fauna And Biostratigraphy Of The Early-Middle Devonian Units In Beykoz, Şile And Kurtdoğmuş Areas, İstanbul, Turkey, Dilek Gülnur Saydam-Demi̇ray, Şenol Çapkinoğlu
Bulletin of the Mineral Research and Exploration
The conodont faunas defi ning the delta-pesavis zones (upper Lochkovian, Lower Devonian) were obtained from Beykoz and Karamandere sections of the İstinye Formation (the Yumrukaya group) and the conodont faunas of the laticostatus, serotinus, patulus and partitus zones (upper Emsian-lower Eifelian, Lower-Middle Devonian) were obtained from the Büyükdere and Kokarpınar sections of the Kozyatağı member of the Kartal Formation. A total of 22 species/subspecies were described belonging to the genera Neopanderodus (2), Icriodus (8), Pelekysgnathus (1), Lanea (1), Polygnathus (4), Ozarkodina (2), Pseudooneotodus (2), Belodella (2).
The Influences Of Oceanographical Characteristics Of The North Coasts Of Karaburun Peninsula On The Benthic Foraminiferal And Ostracod Assemblages, Engin Meri̇ç, Niyazi Avşar, Atike Nazi̇k, Baki Yokeş, Özcan Dora, İpek F. Barut, Mustafa Eryilmaz, Feyza Di̇nçer, Erol Kam, Abdullah Aksu, Halim Taşkin, Asiye Başsari, Cüneyt Bi̇rcan, Aysun Kaygun
The Influences Of Oceanographical Characteristics Of The North Coasts Of Karaburun Peninsula On The Benthic Foraminiferal And Ostracod Assemblages, Engin Meri̇ç, Niyazi Avşar, Atike Nazi̇k, Baki Yokeş, Özcan Dora, İpek F. Barut, Mustafa Eryilmaz, Feyza Di̇nçer, Erol Kam, Abdullah Aksu, Halim Taşkin, Asiye Başsari, Cüneyt Bi̇rcan, Aysun Kaygun
Bulletin of the Mineral Research and Exploration
Major differences in foraminiferal assemblages have been observed between the eastern and western coasts on the northern part of the Karaburun Peninsula. In contrast to the rich fauna of the western coast, a poor assemblage was found on the western coast, which is located in the Gulf of İzmir. A great difference in population sizes have also been observed in Amphistegina lobifera Larsen assemblages found on the Aegean coasts of Karaburun Peninsula and Gulf of Izmir. In the frame work of this study, 84 foraminifer species were identifi ed. The most abundant species were Peneroplis pertusus (Forskal), P. planatus (Fichtel …
Ilica Bay (Çeşme-İzmi̇r) Benthic Forminifer-Ostracod Assemblages And Pacific Ocean – Red Sea Originated Foraminifera And Abnormal Individuals, Engin Meri̇ç, Niyazi Avşar, Atike Nazi̇k, Baki Yokeş, İpek F. Barut, Mustafa Eryilmaz, Erol Kam, Halim Taşkin, Asiye Başsari, Feyza Di̇nçer, Cüneyt Bi̇rcan, Aysun Kaygun
Ilica Bay (Çeşme-İzmi̇r) Benthic Forminifer-Ostracod Assemblages And Pacific Ocean – Red Sea Originated Foraminifera And Abnormal Individuals, Engin Meri̇ç, Niyazi Avşar, Atike Nazi̇k, Baki Yokeş, İpek F. Barut, Mustafa Eryilmaz, Erol Kam, Halim Taşkin, Asiye Başsari, Feyza Di̇nçer, Cüneyt Bi̇rcan, Aysun Kaygun
Bulletin of the Mineral Research and Exploration
The hot water submarine spring which is located at a depth of 2.50 m on Yıldız Cape, Ilıca Cove (Cesme-Izmir) was investigated for its recent benthic foraminifer assemblage. 38 surface sediment samples have been collected on 3 transects. The Pacific Ocean and the Red Sea originated benthic foraminifers were abundantly observed. The identifi ed species are Nodopthalmidium antillarum (Cushman), Spiroloculina antillarum d’Orbigny, Triloculina fi chteliana d’Orbigny, Euthymonacha polita (Chapman), Coscinospira acicularis (Batsch), Peneroplis arietinus (Batsch), Amphisorus hemprichii Ehrenberg, Sorites orbiculus Ehrenberg, Cymbaloporetta plana (Cushman). Beside these species, Peneroplis arietinus (Batsch), Spiroloculina antillarum d’Orbigny, Triloculina cf. fi chteliana d’Orbigny and Cymbaloporetta …
An Approach To Provenance, Tectonic And Redox Conditions Of Jurassic-Cretaceous Akkuyu Formation, Central Taurids, Turkey, Ali Sari, Derya Koca
An Approach To Provenance, Tectonic And Redox Conditions Of Jurassic-Cretaceous Akkuyu Formation, Central Taurids, Turkey, Ali Sari, Derya Koca
Bulletin of the Mineral Research and Exploration
Late Jurassic-Early Cretaceous Akkuyu formation was deposited on marine carbonate platform in Central Tarurids. The organic material of the unit is composed of Type III kerogen which is woody material transported from the land. Late Jurassic- Early Cretaceous is an important period which great anoxic events in deep sea bottom occurred due to the primary organic productivity in global sea surface. Use of several trace elements values (Ni, V, U, Cr, Co, Th) revealed that Late Jurassic-Early Cretaceous Akkuyu formation shows oxic, disoxic and anoxic paleoredox conditions. In this period the primary productivity was considerably high. Examination of specimen derived …
The Geology, Geochemistry And Genetical Features Of The Ormanbaşi Hill (Si̇nci̇k, Adiyaman) Copper Mineralization, Nail Yildirim, Semiha İlhan, Esra Yildirim, Cahit Dönmez
The Geology, Geochemistry And Genetical Features Of The Ormanbaşi Hill (Si̇nci̇k, Adiyaman) Copper Mineralization, Nail Yildirim, Semiha İlhan, Esra Yildirim, Cahit Dönmez
Bulletin of the Mineral Research and Exploration
The study area covers Ormanbaşı Hill of Adıyaman–Sincik County and its vicinity. Regional geological locations of Cu mineralizations that lie between the Southeastern Anatolian Foothill Belt and Taurus Orogenic Belt are conformable with thrust planes approximately extending in E-W directions. Cu mineralizations are observed in the form of lenses and layers within mudstone, diabase, spilite and claystone - shales of the Koçali complex. The primary genetic relations of these formations have completely been disappeared but have only been traced along thrust planes that are conformable with general tectonic lineaments. The ore structure is generally massive but is stockwork and disseminated …
Organic Geochemical And Petrographi̇cal Characteristics Of Karliova Halifan (Bingol) Coals, Orhan Kavak, Selami Toprak
Organic Geochemical And Petrographi̇cal Characteristics Of Karliova Halifan (Bingol) Coals, Orhan Kavak, Selami Toprak
Bulletin of the Mineral Research and Exploration
In this study, petrographic and organic geochemical characteristics of the Tertiary Karlıova-Halifan coals (Bingöl) were investigated. Determination of coal quality was based on chemical (moisture, volatile matter, fixed carbon, ash) and elemental analyses (C, H, O, S, N). The values of the huminite reflectances in organic matter-rich coal levels change between 0.368 and 0.573 %, which correspond to low maturity levels. These parameters are in good aggrement with their fluorescence colors, calorific value (average original-2266, dry-3177 Kcal/kg, upper calorific value) and average Tmax (417oC) values. The organic material in studied coals show low grade transformation due to low lithostatic pressure. …
Geochemical Properties And Rodingitization Of Diabase Dykes Cutting Peridotites In Yüksekova Complex (Özalp, Van - Turkey), Kurtuluş Günay, Ali Rıza Çolakoğlu, Üner Çakir
Geochemical Properties And Rodingitization Of Diabase Dykes Cutting Peridotites In Yüksekova Complex (Özalp, Van - Turkey), Kurtuluş Günay, Ali Rıza Çolakoğlu, Üner Çakir
Bulletin of the Mineral Research and Exploration
In this study, the geology of diabase dykes which cut peridotites of Yüksekova complex (Özalp, Van, Turkey) and the effects of Ca metasomatism that caused the metamorphism of these peridotites were investigated. Within the light of mineralogical and petrographical studies and geochemical data; it was determined that diabase dykes that cut peridotites in Yüksekova complex had shown rodingitization in various degrees due to Ca metasomatism. Depending on this metasomatism, Ca-Al-Mg rich silicates were formed. The mineralogy of rodingitized dykes with ophitic texture is composed of diopside, plagioclase, hydrogrossularite, chlorite, epidote and in minor amounts phlogopite, prehnite, apatite, calcite, opaque minerals. …