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Articles 1 - 19 of 19
Full-Text Articles in Earth Sciences
Facies Characteristics And Control Mechanisms Of Quaternary Deposits In The Tuz Gölü Basin, Alper Gürbüz, Nizamettin Kazancı
Facies Characteristics And Control Mechanisms Of Quaternary Deposits In The Tuz Gölü Basin, Alper Gürbüz, Nizamettin Kazancı
Bulletin of the Mineral Research and Exploration
Although there are several studies discussing the pre-Neogene development of the Lake Tuz basin, which is the largest terrestrial basin in Turkey, investigations delineating the characteristics of the Neogene and particularly Quaternary period of this basin are quite limited. Whereas studies regarding such periods of the basin are quite informative for both active tectonics and climate change issues that are of significant public concern. In this study, results of field observations on temporal and spatial characteristics of Quaternary deposits in the Lake Tuz Basin and processes controlling these features are presented. For this, as a result of sequence studies conducted …
Neotectonic-Period Characteristics, Seismicity, Geometry And Segmentation Of The Tuz Gölü Fault Zone, Akın Kürçer, Yaşar Ergun Gökten
Neotectonic-Period Characteristics, Seismicity, Geometry And Segmentation Of The Tuz Gölü Fault Zone, Akın Kürçer, Yaşar Ergun Gökten
Bulletin of the Mineral Research and Exploration
The Tuz Gölü Fault Zone (TGFZ) is one of the most important active intra-continental fault zones in central Anatolia. The TGFZ with nearly 200 km in length and 2-25 km in width is a NW trending, active normal fault zone with minor right-lateral strike-slip component. It extends between the north of Lake Tuz at NW and at Kemerhisar (Ni¤de) SE. This zone is a transition zone that separates the Central Anatolian Neotectonic Region into two-sub neotectonic regions, namely Kayseri-Sivas and Konya-Eskiflehir neotectonic regions. In this study, Neotectonicperiod characteristics, seismicity, geometry and segmentation of TGFZ are investigated. TGFZ is composed of …
Neogene Stratigraphy And Paleogeographic Evolution Of The Karaburun Area, İzmi̇r, Western Turkey, Fikret Göktaş
Neogene Stratigraphy And Paleogeographic Evolution Of The Karaburun Area, İzmi̇r, Western Turkey, Fikret Göktaş
Bulletin of the Mineral Research and Exploration
The western margin of the Foça Depression (FD) is located in the NE of the Karaburun Peninsula. Terrestrial Neogene sediments in the study area which partly representing the western margin of the FD and the mafic volcanics have NW-SE directions towards ‹zmir bay and are separated from the basement rocks by synthetic normal faults. During the Miocene deposition the basin’s boundaries became structurally narrower and two main sedimentary successions have been defined namely the Karaburun group and the Eflendere group which have been separated with angular unconformity in regional scale. The Karaburun group is represented with dominantly lacustrine deposition in …
Benthic Foraminiferal Fauna Of Malatya Oligo-Miocene Basin, (Eastern Taurids, Eastern Turkey), Fatma Gedi̇k
Benthic Foraminiferal Fauna Of Malatya Oligo-Miocene Basin, (Eastern Taurids, Eastern Turkey), Fatma Gedi̇k
Bulletin of the Mineral Research and Exploration
In this study, systematic description of 28 benthic foraminiferal taxa were carried out which had been detected in Oligo-Miocene aged Muratl› and Petekkaya formations cropping out over wide areas around Akçada¤ town, west of Malatya province in Eastern Taurids. Miogypsina globulina which is a cosmopolite species located in Burdigalian aged shallow marine carbonates is described on wide geographical areas ranging from Central America to Indo-Pacific and Mediterranean Tethys. Miogypsina polymorpha on the other hand was reported only from Indo-Pacific in stratigraphical records until today. Considering the association of these species, the assumption of a probable marine connection mentioned between Indo-Pacific …
A Brief Note On Mineral Evolution And Biochemistry, José María Amigó
A Brief Note On Mineral Evolution And Biochemistry, José María Amigó
Bulletin of the Mineral Research and Exploration
No abstract provided.
The Assessment Of Geothermal Potential Of Turkey By Means Of Heat Flow Estimation, Uğur Akin, Emin U. Ulugergerli̇, Semih Kutlu
The Assessment Of Geothermal Potential Of Turkey By Means Of Heat Flow Estimation, Uğur Akin, Emin U. Ulugergerli̇, Semih Kutlu
Bulletin of the Mineral Research and Exploration
In this study, the heat flow distribution of Turkey was investigated in the interest of exploring new geothermal fields in addition to known ones. For this purposes, the geothermal gradient was estimated from the Curie point depth map obtained from airborne magnetic data by means of power spectrum method. By multiplying geothermal gradient with thermal conductivity values, the heat flow map of Turkey was obtained. The average value in the heat flow map of Turkey was determined as 74 mW/m2. It points out existence of resources of geothermal energy larger than the average of the world resources. in …
Critisism On The Paper “ Possi̇ble İnci̇si̇on Ti̇me Of The Large Valleys İn Southern Marmara Regi̇on, Turkey (N. Kazanc›, Ö. Emre, K. Erturaç, S. A.G.Leroy, S. Öncel, Ö. İleri̇, Ö.Toprak)” Appeared İn Bulleti̇n Of The Mi̇neral Research And Explorati̇on 148, 1-17., Nizamettin Kazanci
Bulletin of the Mineral Research and Exploration
No abstract provided.
Estimation Of Swelling Pressure Using Simple Soil Indices, Kamil Kayabalı, Özgür Yaldız
Estimation Of Swelling Pressure Using Simple Soil Indices, Kamil Kayabalı, Özgür Yaldız
Bulletin of the Mineral Research and Exploration
No abstract provided.
Protolith Nature And Tectonomagmatic Features Of Amphibolites From The Qushchi Area, West Azerbaijan, Nw Iran, Mohssen Moazzen
Protolith Nature And Tectonomagmatic Features Of Amphibolites From The Qushchi Area, West Azerbaijan, Nw Iran, Mohssen Moazzen
Bulletin of the Mineral Research and Exploration
Amphibolites from the Qushchi area in west Azerbaijan province, NW Iran are metabasites containing hornblende, plagioclase, epidote, garnet, relict igneous clinopyroxene and titanite, apatite and opaque minerals as accessory phases. They are spatially associated with an ophiolitic mélange but their relationship is not clear. Based on whole rock geochemistry of the amphibolites, they are formed from sub-alkaline andesite-basalt with a tholeiitic affinity. TiO2 content of the analyzed amphibolite samples is mainly less than 1%, indicating an E-MORB original character for the magma. Major and trace element geochemistry of the studied rocks indicate a volcanic arc setting for the rocks. Chemistry …
Two Examples For Imaging Buried Geological Boundaries: Sinkhole Structure And Seyi̇t Haci Fault, Karapinar, Konya, Ertan Toker, Yahya Çiftçi, Aytekin Ayva, Akın Kürçer
Two Examples For Imaging Buried Geological Boundaries: Sinkhole Structure And Seyi̇t Haci Fault, Karapinar, Konya, Ertan Toker, Yahya Çiftçi, Aytekin Ayva, Akın Kürçer
Bulletin of the Mineral Research and Exploration
No abstract provided.
Glauberite-Halite Association In Bozkir Formation (Pli̇ocene, Çankiri-Çorum Basi̇n, Central Anatoli̇a, Turkey), İlhan Sönmez
Glauberite-Halite Association In Bozkir Formation (Pli̇ocene, Çankiri-Çorum Basi̇n, Central Anatoli̇a, Turkey), İlhan Sönmez
Bulletin of the Mineral Research and Exploration
Tertiary Çank›r› – Çorum Basin is one of the biggest basin covering evaporitic formations in the Central Anatolia. During borehole drills carried out in Bozk›r Formation which contain Pliocene aged evaporites in the basin, a thick rocksalt (halite, NaCl) deposit was detected that consisting of glauberite (Na2Ca(SO4)2) interlayers (sabhka) synchronous with sedimentation. Rocksalt bearing layers in Bozk›r formation which was deposited in playa-lake – sabhka environment, where seasonal changes are effective, were first defined as Tuz member in this study. Bozk›r formation was divided into three zones in drillings carried out in sabhka – …
Tectono - Sedimentary Evolution Of Bucakkifila Region (Sw Karaman) In Central Taurides, Tolga Esi̇rtgen
Tectono - Sedimentary Evolution Of Bucakkifila Region (Sw Karaman) In Central Taurides, Tolga Esi̇rtgen
Bulletin of the Mineral Research and Exploration
The study area located in Bucakk›flla region in Central Taurides consists of rock units of the
melange which form Bozk›r unit of the Tauride units and the overlying cover rocks. There are
volcanic, ophiolitic and sedimentary rocks which generated in different environmental
conditions. These rock groups comprise units which formed in Middle-Upper Triassic-
Paleocene periods in Inner Tauride Ocean that had been opened between Tauride – Anatolide
continents. Within the scope of this study, lithostratigraphic characteristics of Hu¤lu, Boyal›
tepe (hill), Korualan nappes and cover rocks which form Bozk›r Unit and tectono sedimentary
evolution of the study area was built …
Neogene Stratigraphy Of The Northern Part Of Karaburun Peninsula, Fikret Göktaş
Neogene Stratigraphy Of The Northern Part Of Karaburun Peninsula, Fikret Göktaş
Bulletin of the Mineral Research and Exploration
The terrigenous Neogene lithology in north of Karaburun peninsula is represented by Lower-
Middle Miocene rock units which are cut and bounded by NW-SE trending synthetic faults.
Dominant lacustrine sedimentation (Haseki and Hisarc›k formations) of Early-Middle Miocene
period which was separated by upper and lower regional unconformities, and the Early Miocene
mafic volcanism (Karaburun volcanites) were studied within the scope of Karaburun group.
Haseki formation which reflects Early Miocene sedimentation begins with fills of alluvial fan of
the Salman member and is basically formed by algal-biostromal Yeniliman limestone and
lacustrine deposits of Aktepe member. With synsedimentary emplacement of the 1st …
The Importance Of Benthic Foraminiferas In Detecting Features Of Ecological And Geological Structures In Edremit Bay And On Coastal Areas Of D‹K‹L‹ Channel (Ne Aegean Sea), Engin Meri̇ç, Niyazi Avşar, İpek F. Barut, Mustafa Eryilmaz, Fulya Yücesoy Eryilmaz, M. Baki Yokeş, Feyza Di̇nçer
The Importance Of Benthic Foraminiferas In Detecting Features Of Ecological And Geological Structures In Edremit Bay And On Coastal Areas Of D‹K‹L‹ Channel (Ne Aegean Sea), Engin Meri̇ç, Niyazi Avşar, İpek F. Barut, Mustafa Eryilmaz, Fulya Yücesoy Eryilmaz, M. Baki Yokeş, Feyza Di̇nçer
Bulletin of the Mineral Research and Exploration
Benthic foraminiferal assemblages from the Gulf of Edremit, Lesbos Island, Alibey and
Maden islands and Dikili Bay have been investigated and various morphological
abnormalities, as well as, colored tests and large sizes have been observed. Besides,
abundance of alien species originating from tropical seas attracts attention. Interesting
togethernesses were found between different genera and species. Significant differences were
observed between the assemblages from the northwest and southeast coasts of the Gulf of
Edremit. 57 genera and 97 species were identified in the samples from the northwest coast,
where as only 32 genera and 48 species were found on the southeast …
Geophysical Analysis And Modelling Of The S‹Mav Basin, Western Anatolia, Ceyhan Ertan Toker
Geophysical Analysis And Modelling Of The S‹Mav Basin, Western Anatolia, Ceyhan Ertan Toker
Bulletin of the Mineral Research and Exploration
The various data processing techniques, to illuminate the parameters of the geological structure which are applied in gravity and magnetic potential field methods. Also edge detection procedures are in data processing techniques. In this study, 2D, 3D, inversion and asta technique is one of the new edge detection procedures were applied to clarify correlation between the Simav half graben’s deep position and geometry of the tectonic lineaments. The Asta is obtained using the tilt angle.
Possible Incision Time Of The Large Valleys In Southern Marmara Region, Nw Turkey, Nizamettin Kazanci, Ömer Emre, Korhan Erturaç, Suzan A.G. Leroy, Salim Öncel, Özden İleri̇, Özlem Toprak
Possible Incision Time Of The Large Valleys In Southern Marmara Region, Nw Turkey, Nizamettin Kazanci, Ömer Emre, Korhan Erturaç, Suzan A.G. Leroy, Salim Öncel, Özden İleri̇, Özlem Toprak
Bulletin of the Mineral Research and Exploration
Surface water and sediments derived from the southern Marmara region (= Susurluk
Drainage basin- SDH) transport to lakes Manyas and Ulubat first and then go to the Sea of
Marmara via the Kocasu River only. The present drainage system of the SDH provides a good
opportunity to study erosion rate and subsequently occurrence times of large-scale valleys in
the region. To achieve it, depositional characteristics and ion contents of the ancient
lacustrine sediment has been investigated and re-interpreted using cores taken from Lake
Ulubat. The boron content of these sediments increased upward suddenly at the 4 m level,
most probably …
Trace/Heavy Metal Accumulation In Soil And In The Shoots Of Acacia Tree, Gümüfihane-Turkey, Alaaddin Vural
Trace/Heavy Metal Accumulation In Soil And In The Shoots Of Acacia Tree, Gümüfihane-Turkey, Alaaddin Vural
Bulletin of the Mineral Research and Exploration
In this study, heavy metal/trace element accumulation was investigated in soils along the
road passing through Gümüshane city center and shoots of 1-2 years of acacia trees
(Robiniapseudoacacia L.) grown in these soils. Heavy metal contents in soils and plants
were analyzed by Enrichment Factor (EF), Geo-accumulation index (Igeo) parameters,
and by Bio Accumulation Factor (BAF), respectively. According to geo-accumulation
index (Igeo) data, it is seen that the soil was unpolluted in terms of Cr, Co, Cu, Rb, Sr;
unpolluted to moderately polluted in terms of V, Ni and Zn; moderate to excessively
polluted in terms of As, and moderate …
Stability Studies Of The Eastern Slopes Of Affi‹N-Elb‹Stan, Kifilaköy Open-Pit Lignite Mine (Kahramanmarafi, Se Turkey), Using The ‘Finite Elements’ And ‘Limit Equilibrium’ Methods, İbrahim Akbulut, İlker Çam, Tahsin Aksoy, Tolga Ölmez, Dinçer Çağlan, Ahmet Onak, Süreyya Sezer, Nuray Yurtseven, Selma Sülükçü, Mustafa Çevi̇k, Veysel Çalişkan
Stability Studies Of The Eastern Slopes Of Affi‹N-Elb‹Stan, Kifilaköy Open-Pit Lignite Mine (Kahramanmarafi, Se Turkey), Using The ‘Finite Elements’ And ‘Limit Equilibrium’ Methods, İbrahim Akbulut, İlker Çam, Tahsin Aksoy, Tolga Ölmez, Dinçer Çağlan, Ahmet Onak, Süreyya Sezer, Nuray Yurtseven, Selma Sülükçü, Mustafa Çevi̇k, Veysel Çalişkan
Bulletin of the Mineral Research and Exploration
In open pit mining from the safety point of view it is very important that physical and mechanical
characteristics of the dug-out materials are carefully studied, and geological and geotechnical
characteristics should also be considered in planning bench slopes of the dug-out materials. The
purpose of this study is to work out the stable slope geometry of the eastern permanent slopes in
the K›fllaköy open pit lignite mine of the Afflin-Elbistan Linyit ‹flletmesi. In the K›fllaköy open pit
mine, 35 geotechnical drillings totalling 3393.20 m were made for the geotechnical studies and
to work out slope sizing. A total of …
Geochemical Characteristics Of Laterites: The Ailibaltalu Deposit, Iran, Ali Abedini, Ali Asghar Calagari, Khadijeh Mikaeili
Geochemical Characteristics Of Laterites: The Ailibaltalu Deposit, Iran, Ali Abedini, Ali Asghar Calagari, Khadijeh Mikaeili
Bulletin of the Mineral Research and Exploration
Alibaltalu laterite deposit is located ~20 km northeast of Shahindezh, south of West-Azarbaidjan
province (NW of Iran). This deposit is developed as stratiform lenses along the boundary of
Elika dolomites (Triassic) and Shemshak sandstones (Jurassic). The distribution fashion of
minerals such as boehmite, diaspore, kaolinite, muscovite-illite, rutile, anatase, hematite and
goethite in this deposit was accompanied by the development of four types of ore facies: (1)
ferrite; (2) laterite; (3) bauxitic kaolinite; and (4) kaolinitic bauxite. Petrographically, the ores
show conglomeratic, rounded-granular, veinlet, colloform, pelitomorphic, pseudo-porphyritic,
nodular, and spongy textures. Comparison of distribution pattern of elements along a selective
profile …