Browsing by Author "Sipahi, Ferkan"
Now showing items 1-20 of 46
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Alteration of Late Cretaceous dacites in the Murgul Area (Artvin, KD Turkey)
Sipahi, Ferkan; Sadiklar, M. Burhan; Sen, Cueneyt; Demir, Yilmaz (Pergamon-Elsevier Science Ltd, 2009)[Abstract Not Available] -
Bayburt kuzeyindeki (Doğu Pontidler, Türkiye) Senozoyik yaşlı plütonik kayaçların petrografisi, mineral kimyası ve kristallenme koşulları
Kaygusuz, Abdullah; Yücel, Cem; Arslan, Mehmet; Sipahi, Ferkan; Temizel, İrfan; Çakmak, Gökhan; Güloğlu, Z. Samet (2018)Doğu Pontidler, Paleozoyik’ten Senozoyik’e kadar farklı yaş aralığı, bileşim ve büyüklüğe sahip pek çok plütona ev sahipliği yapmaktadır. Bu plütonik kütlelerden özellikle Senozoyik yaşlı olanlar, Doğu Pontidler’in güney ... -
Concentrations of elements in Lias coals from the eastern Black Sea Region, NE-Turkey
Eker, Cigdem Saydam; Akpinar, Ibrahim; Sipahi, Ferkan; Yapici, Ejder (Taylor & Francis Inc, 2016)The element contents and organic matter-element relation between Lias-aged coals exposed in four fields in Gumushane and Bayburt were investigated. In general, fixed carbon and gross calorific values of the Edire and ... -
Eğrikar (Torul, Gümüşhane) Fe-Cu Skarn cevherleşmesinin petrografik ve jeokimyasal açıdan incelenmesi
Yılmaz, Meltem (Gümüşhane Üniversitesi, 2016)Eğrikar Fe–Cu skarn yatağı Gümüşhane'nin (KD Türkiye) yaklaşık 100 km kuzeybatısında yer almaktadır. Eğrikar (Torul, Gümüşhane) ve çevresindeki tortul ve volkanik kayaçlar Geç Kretase yaşlı olup, tabanda kireçtaşı içeren ... -
Eocene I-type magmatism in the Eastern Pontides, NE Turkey: insights into magma genesis and magma-tectonic evolution from whole-rock geochemistry, geochronology and isotope systematics
Kaygusuz, Abdullah; Yucel, Cem; Arslan, Mehmet; Temizel, Irfan; Yi, Keewook; Jeong, Youn-Joong; Sipahi, Ferkan (Taylor & Francis Inc, 2020)The Eastern Pontides orogenic belt in NE Turkey hosts numerous I-type plutons of Eocene epoch. Here, we report new U-Pb SHRIMP zircon ages and in situ zircon Lu-Hf isotopes along with bulk-rock geochemical and Sr-Nd-Pb-O ... -
Eocene magmatism and associated Fe-Cu mineralization in northeastern Turkey: a case study of the Karadag skarn
Sipahi, Ferkan; Saydam Eker, Cigdem; Akpinar, Ibrahim; Gucer, Mehmet Ali; Vural, Alaaddin; Kaygusuz, Abdullah; Aydurmus, Tanju (Taylor & Francis Inc, 2021)The metallogenic belt containing numerous skarn mineralized systems starting from Eastern Europe continues through Turkey and Iran. The study area in the Eastern Pontides is within this metallogenic belt. The 44.39 +/- ... -
Evaluation of potentially toxic element contents and Pb isotopic compositions in Ankara Stream sediments within an urban catchment in central Turkey
Eker, Cigdem Saydam; Sipahi, Ferkan; Ozkan, Ozay; Gumus, Mustafa Kemal (Springer, 2017)This study aimed to interpret the spatial distribution, enrichment factor (EF), and geo-accumulation of potentially toxic elements in the bed sediments (ASBS) and Pleistocene-aged overbank sediments (ASOS) of the Ankara ... -
Formation of skarns at Gumushane (Northeastern Turkey)
Sipahi, Ferkan (E Schweizerbartsche Verlagsbuchhandlung, 2011)Skarn deposits are located in the NE Black Sea region of Turkey belonging to the Alpin metallogenic province. The Fe skarn deposit at Arnastal is hosted by Late Cretaceous carbonate rocks comprised of limestone and the ... -
Formation of skarns at Gümüşhane (Northeastern Turkey)
Sipahi, Ferkan (Neues Jahrbuch für Mineralogie-Abhandlungen, 2011)Skarn deposits are located in the NE Black Sea region of Turkey belonging to the Alpin metallogenic province. The Fe skarn deposit at Arnastal is hosted by Late Cretaceous carbonate rocks comprised of limestone and the ... -
Formation of the Egrikar (Gumushane) Fe-Cu skarn type mineralization in NE Turkey: U-Pb zircon age, lithogeochemistry, mineral chemistry, fluid inclusion, and O-H-C-S isotopic compositions
Sipahi, Ferkan; Akpinar, Ibrahim; Eker, Cigdem Saydam; Kaygusuz, Abdullah; Vural, Alaaddin; Yilmaz, Meltem (Elsevier Science Bv, 2017)The Egrikar Fe-Cu skarn type mineralization is located approximately 100 km NW of Gumuhane in NE Turkey. Geochemical analyses of diorite, which is thought to cause skarn, indicate medium K calc-alkaline (1.3 to similar to ... -
Formation of the Eğrikar (Gümüşhane) Fe–Cu skarn type mineralization in NE Turkey: U–Pb zircon age, lithogeochemistry, mineral chemistry, ?uid inclusion, and O-H-C-S isotopic compositions
Sipahi, Ferkan; Akpınar, İbrahim; Saydam Eker, Çiğdem; Kaygusuz, Abdullah; Vural, Alaaddin; Yılmaz, Meltem (Journal of Geochemical Exploration, 2017)[Abstract Not Available] -
Geochemical and Sr-Nd isotopic characteristics of Murgul (Artvin) volcanic rocks in the Eastern Black Sea Region (Northeast Turkey)
Sipahi, Ferkan; Sadiklar, M. Burhan; Sen, Cuneyt (Elsevier Gmbh, 2014)The studied volcanic rocks are footwall and hanging wall dacites from the Murgul mine and the surrounding area. Moreover, the hanging wall dacites contain enclaves. Footwall dacite contains biotite, whereas hanging wall ... -
The Geochemical and Sr-Nd isotopic Characteristics of Murgul (Artvin) Volcanics in the Eastern Black Sea Region (NE Turkey).
Sipahi, Ferkan; Sadıklar, M. Burhan; Şen, Cüneyt (Chemie der Erde/Geochemistry, 2014)The studied volcanic rocks are footwall and hanging wall dacites from the Murgul mine and the surrounding area. Moreover, the hanging wall dacites contain enclaves. Footwall dacite contains biotite, whereas hanging wall ... -
Geochemical composition of magnetite from different iron skarn mineralizations in NE Turkey: implication for source of ore-forming fluids
Sipahi, Ferkan; Gucer, Mehmet Ali; Eker, Cigdem Saydam (Springer Heidelberg, 2020)Iron oxide mineralizations in the eastern part of the Pontides (NE Turkey) are hosted in the skarn environments which are the Pontide paleomagmatic arc. These mineralizations always occur in the contacts between granitoid ... -
Geochemistry of dacitic volcanics in the Eastern Pontides (NE Turkey)
Sipahi, Ferkan; Sadiklar, M. Burhan (Maik Nauka/Interperiodica/Springer, 2014)Dacitic rocks that crop out around the Zigana Mountain (GumuAYhane) in the eastern Pontide (NE Turkey), are mainly composed of quartz, plagioclase, sanidine, amphibole, muscovite, and biotite as the main minerals. Zircon ... -
Geochronological evidence and tectonic significance of Carboniferous magmatism in the southwest Trabzon area, eastern Pontides, Turkey
Kaygusuz, Abdullah; Arslan, Mehmet; Siebel, Wolfgang; Sipahi, Ferkan; Ilbeyli, Nurdane (Taylor & Francis Inc, 2012)The northern and southern zones of the eastern Pontides (northeast Turkey) contain numerous plutons of varying ages and compositions. Geochemical and isotopic results on two Hercynian granitoid bodies located in the northern ... -
Granitoyidlere (Gümüşhane, KD Türkiye) Bağlı Gelişen Skarn Cevherleşmelerinin Jeolojisi, Jeokimyası ve Jeokronolojisinin Araştırılması
Sipahi, Ferkan (2014)Bu projede; Doğu Pontidler’in Kuzey-Güney geçiş zonunda Gümüşhane İli Torul İlçesi’ndeki skarn cevherleşmesinin detay jeolojik haritası, mineralojisi, yan kayaç kimyası, mineral parajenezi,oluşum yaşı, oluşum modeli ve ... -
Gümüşhane il merkezi içme sularının fiziksel ve jeokimyasal özelliklerinin incelenmesi
Uslu, Sultan (Gümüşhane Üniversitesi, 2014)Bu çalışmada Gümüşhane İl merkezindeki yerüstü sularının fiziksel jeokimyasal özeliklerinin belirlenmesi ve yan kayaç türü ile ilişkisinin incelemesi amaçlanmıştır. İnceleme alanından alınan su örneklerinin pH değerleri ... -
Investigation of the quality and physical-geochemical characteristics of the drinking water in Gumushane (Turkey) city central
Sipahi, Ferkan; Uslu, Sultan (Springer Heidelberg, 2016)The physical (turbidity, color, smell, taste, pH, and conductivity) and geochemical properties (Ca, Mg, Na, Fe, Mn, Al, K, Cl- HCO3- SO4 Fe, Cu, Co, Ni, Zn, Cd, Pb, and Cr) of the drinking water in Gmushane city center ...