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- Geochemistry (4)
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- Cenozoic plutonic rocks (1)
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- Chalky limestone (1)
Articles 1 - 28 of 28
Full-Text Articles in Physical Sciences and Mathematics
Geochemical And Petrologic Evolution Of Otlakbaşı Basaltic Volcanism To The East Of Lake Van, Vural Oyan
Geochemical And Petrologic Evolution Of Otlakbaşı Basaltic Volcanism To The East Of Lake Van, Vural Oyan
Bulletin of the Mineral Research and Exploration
Collision-related Otlakbaşı volcanism to the east of Lake Van occurred by eruptions from extensional fissures. In this study, it is investigated new Ar-Ar age data and major, trace and rare earth elements characteristics of the Otlakbaşı basaltic volcanism. The Ar-Ar age data indicate that this basaltic volcanism erupted in Early Pliocene time in contrast to its previously known as Quaternary age. The volcanic products are basaltic composition and close to alkaline-subalkaline division line. Results of fractional crystallization accompanied by assimilation (AFC) modeling imply that fractional crystallization can be negligible compared to crustal contamination in the evolution processes of the magma …
Petrography And Petrology Of The Yürekli (Balıkesir) Volcanics: An Example Of Post-Collisional Felsic Volcanism In The Biga Peninsula (Nw Turkey), Ece Simay Saatci, Zafer Aslan
Petrography And Petrology Of The Yürekli (Balıkesir) Volcanics: An Example Of Post-Collisional Felsic Volcanism In The Biga Peninsula (Nw Turkey), Ece Simay Saatci, Zafer Aslan
Bulletin of the Mineral Research and Exploration
In this study, the aim was to determine the petrography, geochemistry and source of the Yürekli volcanics (Biga Peninsula, NW Turkey). Tertiary volcanism is widespread in Western Anatolia (NW Turkey), which is an important area where tectonic and magmatic events are observed together. Yürekli volcanic rocks comprise dacitic lavas and pyroclastics. Dacitic lavas show porphyric and hyaloporphyric texture, and consist of plagioclase, quartz, amphibole, biotite, sanidine and Fe-Ti oxide minerals with apatite and zircon accessory minerals. Petrologically, they have high-potassic and calc-alkaline characteristics. Yürekli volcanics show enrichment in large ion lithophile elements (LILE) and are depleted in high field strength …
The Relationship Of Landslides With Lithological Units And Fault Lines Occurring On The East Anatolian Fault Zone, Between Palu (Elazığ) And Bingöl, Turkey, Vedat Avci̇, Murat Sunkar
The Relationship Of Landslides With Lithological Units And Fault Lines Occurring On The East Anatolian Fault Zone, Between Palu (Elazığ) And Bingöl, Turkey, Vedat Avci̇, Murat Sunkar
Bulletin of the Mineral Research and Exploration
In this study, the relationship of landslides with lithological units and fault lines on the East Anatolian Fault Zone (EAFZ) between Palu (Elazığ) and Bingöl, was evaluated. In the study area, which is located within the EAFZ, Göynük to the northeast, Palu Segment to the southwest, Genç Segment to the south of Bingöl plain and Gökdere Uplift in the intersection area form the main tectonic structures. In addition, the Karakoçan Fault Zone (KFZ) cutting the EAFZ in NW-SE direction between Palu and Bingöl corresponds to another important structure (system). The area, which is located in a region where a number …
Investigation Of Thermal And Mechanical Behavıors Of Construction Materials Obtained From Some Natural Stone Waste, Gökhan Erol, Devrim Pekdemi̇r
Investigation Of Thermal And Mechanical Behavıors Of Construction Materials Obtained From Some Natural Stone Waste, Gökhan Erol, Devrim Pekdemi̇r
Bulletin of the Mineral Research and Exploration
In this study, thermal and mechanical behaviours of composite building materials obtained from different kinds of natural stone wastes were investigated. First of all, XRD, chemical and grain size distribution analyses were carried out to identify the natural stone wastes to be used. 60% granite (magmatic), 35% recrystallized limestone (metamorphic) and 5% pure aluminium oxide (Al2O3) materials were used in the prepared mixture. The prepared mixture was shaped in a steel mould 75x20x50 mm in size by adding 7% shaping water and fired at 1140 ° C, 1150 ° C and 1160 ° C. Following that …
Physicochemical Properties And Availability Of Tahar-Güzelöz (Nevşehir) Diatomite, Ayşegül Yildiz, Ali Gürel, Dilan Okutan
Physicochemical Properties And Availability Of Tahar-Güzelöz (Nevşehir) Diatomite, Ayşegül Yildiz, Ali Gürel, Dilan Okutan
Bulletin of the Mineral Research and Exploration
In this study, the use areas of diatomites located within the late Miocene-Pliocene volcano sedimentary units, which formed due to the volcanism and outcropped around the Tahar and Güzelöz localities, Nevşehir, were investigated in terms of raw materials. To do this, three stratigraphic sections were measured in the study area, one of which was measured in the Tahar area (TK), and two others were measured in the Güzelöz area (GÜ1 and GÜ2). Various physicomechanical, chemical, mineralogical and analytical methods were applied on the collected samples. The analysis results of diatomites in the investigated area were determined as follows; the amount …
Geochemical Characteristics Of Gabbroic Rocks In Zyarat In North East Of Iran, Ghassem Azi̇zzadeh, Mostafa Raghi̇mi̇, Seyed Jamal Shei̇khzakari̇aee, Aziz Rahi̇mi̇ Chakdel
Geochemical Characteristics Of Gabbroic Rocks In Zyarat In North East Of Iran, Ghassem Azi̇zzadeh, Mostafa Raghi̇mi̇, Seyed Jamal Shei̇khzakari̇aee, Aziz Rahi̇mi̇ Chakdel
Bulletin of the Mineral Research and Exploration
The mafic rocks outcrops exposed in the South of Gorgan, northeastern of Iran. These gabbroic rocks are intruded into the Middle–Upper Paleozoic sedimentary rocks and Gorgan schist units representing a part of the north Gondwana province. Petrography studies of these rocks show medium to coarse grained sizes and the texture varies from ophitic to intergranular under polarized microscope. The mineralogical composition of mafic dykes is dominated by large crystals of clinopyroxene + orthopyroxene + plagioclase and hornblende. These rocks can be classified as gabbroic rock. Geochemical studies show that these rocks have low to medium K2O contents. The …
Geology And Critical Review Of The Upper Cretaceous Zagros Chalky Limestone (Kometan Formation) From Sulaimani Governorate, Northeastern Iraq, Kamal Haji Karim Kari̇m, Sherzad Tofeeq Al-Barzinjy, Polla Azad Khanaqa
Geology And Critical Review Of The Upper Cretaceous Zagros Chalky Limestone (Kometan Formation) From Sulaimani Governorate, Northeastern Iraq, Kamal Haji Karim Kari̇m, Sherzad Tofeeq Al-Barzinjy, Polla Azad Khanaqa
Bulletin of the Mineral Research and Exploration
The chalky limestone (Kometan Formation) is aged Late Turonian–Middle Campanian and cropping out in the High, Imbricate and Thrust Zones of northeastern Iraq, Sulaimani area. It laterally changes to Bekhme and Mushurah formations toward northwest and west Iraq respectively and its reefal equivalents occurs too in subsurface of Central Iraq in the oil fields. Stratigraphically, it is located between Shiranish Formation (Middle-Late Campanian), at the top, and Gulneri Formation (Late Cenomanian-Early Turonian) at its base. It has the thickness of about 40-120 meter and deposited in pelagic realm. All previous studies have defined it as well bedded and fine grain …
Mineral Chemistry, Whole-Rock Geochemistry And Petrology Of Eocene I-Type Shoshonitic Plutons In The Gölköy Area (Ordu, Ne Turkey), İrfan Temi̇zel, Emel Abdi̇oğlu Yazar, Mehmet Arslan, Abdullah Kaygusuz, Zafer Aslan
Mineral Chemistry, Whole-Rock Geochemistry And Petrology Of Eocene I-Type Shoshonitic Plutons In The Gölköy Area (Ordu, Ne Turkey), İrfan Temi̇zel, Emel Abdi̇oğlu Yazar, Mehmet Arslan, Abdullah Kaygusuz, Zafer Aslan
Bulletin of the Mineral Research and Exploration
The Eocene intermediate to felsic plutons are widespread in varying sizes and compositions throughout the Eastern Pontides Orogenic Belt in NE Turkey. Of these, two monzonitic bodies (namely the Eriko Tepe and Göl Tepe Plutons) in the Gölköy (Ordu) area, extend nearly in the orientation of NW-SE and E-W and were emplaced into the Upper Cretaceous and/or Eocene volcanic and sedimentary rocks. Petrographically, the studied monzonitic plutons are compositionally fine to medium grained monzonite, monzodiorite and subordinate quartz-monzonite. They consist of plagioclase (An35-67), K-feldspar (Or61-96), quartz, clinopyroxene (Wo28-49En35-51Fs10-25), biotite (Mg#: …
Evaluation Of Thrace Region Fine Coal Tailings, Murat Olgaç Kangal, Mustafa Özer, Fırat Burat, Soner Akin
Evaluation Of Thrace Region Fine Coal Tailings, Murat Olgaç Kangal, Mustafa Özer, Fırat Burat, Soner Akin
Bulletin of the Mineral Research and Exploration
The 79.9% of lignites in Turkey possesses a calorific value lower than 2500 kcal/kg. In order to reduce the energy dependence of the country, it would be right to evaluate these lignite reserves of 11.8 billion tons by effective coal preparation methods and use them with clean coal combustion systems together with developing technology. A typical coal preparation plant produces material within a ratio of 20% of the feed coal below 0.5 mm. Generally, due to the high cost, the gain of the fugitive coal in the product under this size is not preferred but this size group can be …
Post-Glacial Terraces Of The Marmara Sea And Water Exchange Periods, Vedat Ediger, Emin Demi̇rbağ, Semih Ergi̇ntav, Sedat İnan, Ruhi Saatcılar
Post-Glacial Terraces Of The Marmara Sea And Water Exchange Periods, Vedat Ediger, Emin Demi̇rbağ, Semih Ergi̇ntav, Sedat İnan, Ruhi Saatcılar
Bulletin of the Mineral Research and Exploration
Semi-enclosed Marmara Sea is a passage between the Aegean Sea (Northeastern Mediterranean Sea) and the Black Sea. The Marmara Sea is connected to the Black Sea and the Aegean Sea through the İstanbul Strait (Bosphorus) and Çanakkale Strait (Dardanelles), respectively. Despite the fact that the late Pleistocene-Holocene connections between the seas have been explored by many scientists, there are still uncertainties about the nature and timing of the connections. Within the scope of this study, a new approach has been displayed for post-glacial connections between the Black Sea, Marmara Sea, and the Aegean Sea. This study is based on 80 …
Petrography, Mineral Chemıstry And Crystallizatıon Conditions Of Cenozoic Plutonic Rocks Located To The North Of Bayburt (Eastern Pontıdes, Turkey), Abdullah Kaygusuz, Cem Yucel, Mehmet Arslan, Ferkan Sipahi, Irfan Temizel, Gokhan Cakmak, Z. Samet Guluglu
Petrography, Mineral Chemıstry And Crystallizatıon Conditions Of Cenozoic Plutonic Rocks Located To The North Of Bayburt (Eastern Pontıdes, Turkey), Abdullah Kaygusuz, Cem Yucel, Mehmet Arslan, Ferkan Sipahi, Irfan Temizel, Gokhan Cakmak, Z. Samet Guluglu
Bulletin of the Mineral Research and Exploration
The Eastern Pontides comprises of many intrusive bodies varying in composition, size and age from Paleozoic to Cenozoic. Those of especially Cenozoic aged ones are commonly observed in the southern part while are rarely exposed in the northern part of the Eastern Pontides. In this study, the petrographical and mineral chemistry properties of Çiçekli, Somarova, Sorkunlu, Şaşurluk, Aydıntepe, Kemerlikdağı and Pelitli plutons located to the north of Bayburt area are determined, and the crystallization conditions of the studied bodies were estimated by means of thermobarometer calculations. The studied plutons extend mostly NE-SW directions and are approximately ellipse in shapes. The …
An Ore Adit Planning With The Help Of Three Dimensional Ore Body Modeling: A Case Study From Çulfa Çukuru Pb-Zn-Cu-Ag Deposit, Sinan Akiska, Elif Akiska
An Ore Adit Planning With The Help Of Three Dimensional Ore Body Modeling: A Case Study From Çulfa Çukuru Pb-Zn-Cu-Ag Deposit, Sinan Akiska, Elif Akiska
Bulletin of the Mineral Research and Exploration
Çulfa Çukuru Pb-Zn-Cu-Ag mineralization has occurred along the metamorphic and metamorphic-dacitic volcanic rock contacts of the Sakarya zone on the Biga Peninsula. The base metal mineralization (Pb-Zn-Cu-Ag±Au) developed along the contact and fracture planes of these rocks can be observed as veins, lenses and disseminated ore geometries in the calc-silicate rock assemblages. Base metal mineralizations are mainly controlled lithologically and are generally associated with recrystallized limestones. In this study, the surface and the subsurface were modeled using the topographical data and the geochemical data (%Pb and %Zn) collected from 42 boreholes of Çulfa Çukuru which is located 20 km South-Southeast …
Optimization Of Some Parameters On Desulfurization Process Of Muğla Yatağan Bağyaka Lignite By Ultrasonic Waves, İlkay Ünal Sansar
Optimization Of Some Parameters On Desulfurization Process Of Muğla Yatağan Bağyaka Lignite By Ultrasonic Waves, İlkay Ünal Sansar
Bulletin of the Mineral Research and Exploration
In this study, the desulfurization process developed using ultrasonic waves for Muğla Yatağan Bağyaka lignite had the optimum conditions for parameters affecting the ash and sulfur removal potentials determined with the Surface Response Method and a model created. The process parameters to obtain optimum desulfurization and ash removal were chosen as the ultrasonic treatment time, solid content, concentration of chemical reactive (H2O2) and reactive volume, and the optimum values were determined. Using this data with the aid of the Design Export 7.0 program, the regression model was found as a second degree polynomial equation. The coefficients …
Neotectonic And Morphotectonic Characteristics Of The Elmali Basin And Near Vicinities, Şule Gürboğa, Özgür Aktürk
Neotectonic And Morphotectonic Characteristics Of The Elmali Basin And Near Vicinities, Şule Gürboğa, Özgür Aktürk
Bulletin of the Mineral Research and Exploration
Elmalı Basin, which consists of the Elmalı county and some villages, approximately 120 km far from Antalya city, is one of the recent depositional areas in the extensional neotectonic region of southwestern Turkey. The basin provides signifi cant data for the understanding of the geological evolution to record from the basement to recent depositional units. For this reason, these kinds of structures are used to determine the deformations phases for the evolutionary history of basin formation. In the content of the study, following applications have been investigated: (a) mapping of the area and structures in 1/25.000 scale, (b) information about …
Separation Of Geochemical Anomalies Using Inverse Distant Weighting (Idw) And Concentration-Area (C-A) Fractal Modeling Based On Stream Sediments Data In Janja Region, Se Iran, Marzieh Hosseininasab, Ali Akbar Daya
Separation Of Geochemical Anomalies Using Inverse Distant Weighting (Idw) And Concentration-Area (C-A) Fractal Modeling Based On Stream Sediments Data In Janja Region, Se Iran, Marzieh Hosseininasab, Ali Akbar Daya
Bulletin of the Mineral Research and Exploration
In this study, the Inverse Distant Weighting (IDW) and the Concentration –area (C-A) fractal methods were used for identifi cations of geochemical anomalies in Janja region, SE Iran. Eight elements (Au, Cu, Mn, Zn, Fe, As, Mo, and Pb) from 300 stream sediment samples were used. The studied area was gridded by 250 m×250 m cells. Estimation of unsampled locations were carried out by inverse distant squared weighting (IDWS) method. Geochemical maps were generated. Log- log plots of cumulative frequency of elemental concentrations versus related areas were constructed. Threshold values were obtained by fi nding break points in the log-log …
Mineralogical Findings From Manganese Deposits In The Artova Ophiolite Complex, Derbent-Eymir Area, Yozgat, Turkey, Nursel Oksuz
Mineralogical Findings From Manganese Deposits In The Artova Ophiolite Complex, Derbent-Eymir Area, Yozgat, Turkey, Nursel Oksuz
Bulletin of the Mineral Research and Exploration
The Artova Ophiolitic Complex (AOC), which formed in association with Alpine Ophiolites, is exposed in the NE part of central Anatolia, in the interior of the central Black Sea region and within the borders of Çorum and Yozgat. The Derbent-Eymir manganese- oxide deposit under investigation occurs within this ophiolitic complex. The mineral association in Derbent ore is composed chiefly of pyrolusite, manganite and lesser amounts of ramsdellite, magnetite and goethite. Calcite is the main gangue mineral. The mineral association in Eymir ore is represented by pyrolusite, braunite, neltnerite, jacobsite, psilomelane and trace amount of limonite accompanied by some gangue minerals …
Characterization And Dewatering Of Borax Clayey Tailings By Mono- And Dual-Flocculants Systems, Nuray Karapinar
Characterization And Dewatering Of Borax Clayey Tailings By Mono- And Dual-Flocculants Systems, Nuray Karapinar
Bulletin of the Mineral Research and Exploration
This study includes dewatering of Kırka Borax Concentrator tailings by fl occulation with mono- and dual-fl occulants systems. Four polyacrylamide (PAM)-typed anionic and a poly diallyl-dimethylammonium chloride (PolyDADMAC)-typed cationic polymers were used as fl occulants in monoand dual-fl occulants systems to fl occulate tailings. Tailings slurry sample used in the experiments were taken from the discharge point of Kırka Borax Concentrator. Prior to the fl occulation tests, physical, chemical and mineralogical analysis were carried out to characterize the tailings slurry. Results reveal that while tailings solid consists mainly of dolomite and montmorillonite with some unrecoverable boron mineral fi nes and …
The Neotectonics Of Ne Gaziantep: The Bozova And Halfeti Strike-Slip Faults And Their Relationships With Blind Thrusts, Turkey, Nuray Şahbaz, Gürol Seyi̇toğlu
The Neotectonics Of Ne Gaziantep: The Bozova And Halfeti Strike-Slip Faults And Their Relationships With Blind Thrusts, Turkey, Nuray Şahbaz, Gürol Seyi̇toğlu
Bulletin of the Mineral Research and Exploration
In the northeast of Gaziantep, east-west trending thrusts, northeast-southwest trending left lateral strike-slip faults and northwest-southeast right lateral strike-slip faults are located. They are typical features of the neotectonics of southeast Anatolia, Turkey. Detailed mapping of these structures and structural data obtained from fi eld studies indicate that east-west trending thrust faults and related fault propagation folds is post-Pliocene. The strike-slip faults that cut these structures should be younger than the thrust fault. On the other hand, the recent seismic activity in the southeast Anatolia (2011.10.23 – M=7.3 Van; 2012.06.14 – ML=5.5 Şırnak-Silopi earthquakes) shows that north-south compression is taken …
Determination Of Predominant Site Period Of Loose Terestrial Units (Caliche) By Microtremor Measurements, Kivanç Zorlu
Determination Of Predominant Site Period Of Loose Terestrial Units (Caliche) By Microtremor Measurements, Kivanç Zorlu
Bulletin of the Mineral Research and Exploration
The caliche profi les that have been observed in arid-semi arid climate regions can be described as terrestrial formations which are vertical succession and composed predominantly of calcium carbonate. At the top of the caliche profi le, there is hard pan leyer as a weak rock and soft pan layer characterized by loose soil is existed. Caliche is formed by the displacement and/or cementation of soil, rock, and weathered material, and is usually found in unsaturated zones. In the study area, consist of caliche units located in Adana. It is noteworthy that the caliches of Quaternary is widely crop out …
The Naşa Intrusion (Western Anatolia) And Its Tectonic Implication: A Joint Analyses Of Gravity And Earthquake Catalog Data, Ertan Toker, Emi̇n U. Ulugergerli̇, Ali̇ R. Kiliç
The Naşa Intrusion (Western Anatolia) And Its Tectonic Implication: A Joint Analyses Of Gravity And Earthquake Catalog Data, Ertan Toker, Emi̇n U. Ulugergerli̇, Ali̇ R. Kiliç
Bulletin of the Mineral Research and Exploration
The gravity data gathered in and around the Simav Graben in Western Anatolia were reprocessed and reinterpreted by using the standard deviation fi lter and the Euler deconvolution. The joint evaluation of results from the interpretation of gravity data and seismological studies indicates the presence of new intrusive structures in the vicinity of Simav. The intrusion is located in the eastern margin of the graben and has a thickness of 12-15 km at 2.5-3 km depth below the surface. Numerous earthquakes recorded in the eastern part of the graben are associated with this intrusion. Besides, the multidimensional modelling study of …
Palynology Of The Kılçak Formation (Early Miocene) From Central Anatolia: Implications For Palaeoclimate And Palaeoenvironment, Nurdan Yavuz, Şükrü Sinan Demi̇rer
Palynology Of The Kılçak Formation (Early Miocene) From Central Anatolia: Implications For Palaeoclimate And Palaeoenvironment, Nurdan Yavuz, Şükrü Sinan Demi̇rer
Bulletin of the Mineral Research and Exploration
The palynological analysis of the early Miocene successions of the Kılçak formation (Central Anatoia, Turkey) was carried out in order to reconstruct the palaeovegetation. The pollen spectra indicate a fl ora dominated by Pinus, co-dominance of Cupressaceae in one of the investigated successions, and lower percentages of trees such as Taxodioideae within Cupressaceae, Quercus deciduous type, Carya, Carpinus, Ulmus, Engelhardioideae, Salix, Alnus and Juglans. Herbs are represented by minor amounts of Poaceae, Amaranthaceae/Chenopodiaceae and Asteraceae. This flora indicates the presence of a Taxodium topogenous mire with a nearby riparian vegetation and broadleaved deciduous mixed forests developed in the surrounding distant …
Holocene Activity Of The Orhaneli Fault Based On Palaoseismological Data, Bursa, Nw Anatolia, Volkan Özaksoy, Hasan Elmacı, Selim Özalp, Meryem Kara, Tamer Yiğit Duman
Holocene Activity Of The Orhaneli Fault Based On Palaoseismological Data, Bursa, Nw Anatolia, Volkan Özaksoy, Hasan Elmacı, Selim Özalp, Meryem Kara, Tamer Yiğit Duman
Bulletin of the Mineral Research and Exploration
Orhaneli Fault is 30 km long, right-lateral strike-slip fault with dominant reverse component located in the Biga Peninsula. This fault controls the southern margin of the Quaternary Orhaneli Basin. Additionally, it cuts the metamorphic rocks of the Tavşanlı Zone, Cretaceous ophiolitic units and Neogene/Quaternary sediments, and can be easily recognized on aerial photographs and in the fi eld due to linearity and fault scarps. Elongated ridges, offset valleys and fault saddles observed along the fault are important geomorphological features indicating fault activity. This study presents the results of the fi rst palaeoseismological study on the Orhaneli Fault. Two trenches were …
Petrographic And Palynological Investigations Of Sinanpaşa (Afyon) Miocene Coals, Elif Akiska
Petrographic And Palynological Investigations Of Sinanpaşa (Afyon) Miocene Coals, Elif Akiska
Bulletin of the Mineral Research and Exploration
In this study, petrographical and palynological analyses of coal samples from two regions (the Kırka region in the south, and the Karacaören region in the north) of the Sinanpaşa (Afyon) Neogene basin were performed. The coal-bearing Neogene sediments indicate the occurrence of fi ve facies: paleosol, matrix-supported conglomerate, coal-bearing mudstone, sandstone-claystone and laminated mudstones. Coal layers are mainly within coal-bearing mudstone facies. In addition, there are various types of coalifi ed materials in matrix-supported conglomerate and sandstone-claystone facies. Based on coal petrography, an interpretation of the coal-forming environment was made. The investigated coals mainly contain a huminite maceral group. From …
The Hydrogeological Investigation Of Plajköy Spring (Elazığ), Özlem Özteki̇n Okan, Atahan Güven, Bahattin Çeti̇ndağ
The Hydrogeological Investigation Of Plajköy Spring (Elazığ), Özlem Özteki̇n Okan, Atahan Güven, Bahattin Çeti̇ndağ
Bulletin of the Mineral Research and Exploration
Plajköy spring discharges at the close locations to the SE shore of Lake Hazar. Lake Hazar is a tectonic Lake in Elazığ city. Plajköy spring is a fault spring that is mainly recharging from the volcanites, dikes and blocky volcanosedimentary units of Middle Eocene Maden Complex. These units have gained secondary permeability and porosity related with the active tectonics that is effective in the studied area. The present catchment system of the spring could not collect the springs and leaks discharging from different points around the system. The discharge of the catchment is measured by specifi c volume method while …
Use Of Moran’S I And Robust Statistics To Separate Geochemical Anomalies In Jiurui Area (Southeast China), Thanh Nguyen Ti̇en
Use Of Moran’S I And Robust Statistics To Separate Geochemical Anomalies In Jiurui Area (Southeast China), Thanh Nguyen Ti̇en
Bulletin of the Mineral Research and Exploration
Separation of geochemical anomalies from background plays an important role in the study of exploration geochemistry. The limitations of commonly used methods are not taken into account spatial correlation, variability and the unsatisfactory of the statistical assumption of the normality of geochemical data. For solving these limitations, an indirect method for the separation of geochemical anomalies is proposed based on anomaly separation of local Moran’s Ii values using robust statistics in this study. The experiment was carried out using 1481 samples collected from Jiurui copper prospect (southeast China). The steps for the anomaly separation are (i) spatial association and variability …
Assessment Of Souil Liquefaction Using The Energy Approach, Kamil Kayabali, Pınar Yilmaz, Mustafa Fener, Ozgür Aktürk, Farhad Habi̇bzadeh
Assessment Of Souil Liquefaction Using The Energy Approach, Kamil Kayabali, Pınar Yilmaz, Mustafa Fener, Ozgür Aktürk, Farhad Habi̇bzadeh
Bulletin of the Mineral Research and Exploration
Damage to structures during earthquakes may be fully or partly caused by soil liquefaction, which has been the subject of extensive research for several decades. Liquefaction susceptibility of a sandy deposit is performed by comparing the resistance of a soil to liquefaction (i.e., capacity) to the load imparted by an earthquake (i.e., demand). In this regard, the stress-based method of liquefaction assessment is by far the most popular. It involves uncertainties mostly related to the computation of the maximum horizontal ground acceleration (amax) at bedrock. A site response analysis or a simplifi ed assumption is necessary to determine …
The Effect Of Submarine Thermal Springs Of Doğanbey Cape (Seferihisar - İzmir) On Foraminifer, Ostracod And Mollusc Assemblages, Engin Meri̇ç, İpek F. Barut, Atike Nazi̇k, Niyazi Avşar, M. Baki Yokeş, Mustafa Eryilmaz, Fulya Yücesoy- Eryilmaz, Erol Kam, Bora Sonuvar, Feyza Di̇nçer
The Effect Of Submarine Thermal Springs Of Doğanbey Cape (Seferihisar - İzmir) On Foraminifer, Ostracod And Mollusc Assemblages, Engin Meri̇ç, İpek F. Barut, Atike Nazi̇k, Niyazi Avşar, M. Baki Yokeş, Mustafa Eryilmaz, Fulya Yücesoy- Eryilmaz, Erol Kam, Bora Sonuvar, Feyza Di̇nçer
Bulletin of the Mineral Research and Exploration
The aim of this study was to fi gure out the effects of the submarine hot water springs located on the coast of Doğanbey Cape (north of Kuşadası Bay) on various micro- and macrofaunal assemblages living around these springs. Young sediment samples were collected from different depths at 15 stations. The benthic foraminifer, ostracod and mollusc faunas were investigated. 35 genera and 61 species of benthic foraminifers, 16 genera and 20 species of ostracods and 14 genera and 15 species of molluscs were identifi ed. Typical Aeegan foraminifer fauna was found to be dominant. Besides, individuals with colored tests or …
Syn-Sedimentary Deformation Structures In The Early Miocene Lacustrine Deposits, The Basal Limestone Unit, Bigadiç Basin (Balıkesir, Turkey), Calibe Koç Taşgin, İbrahim Türkmen, Cansu Di̇ni̇z Akarca
Syn-Sedimentary Deformation Structures In The Early Miocene Lacustrine Deposits, The Basal Limestone Unit, Bigadiç Basin (Balıkesir, Turkey), Calibe Koç Taşgin, İbrahim Türkmen, Cansu Di̇ni̇z Akarca
Bulletin of the Mineral Research and Exploration
In the Western Anatolian region, NE-SW, E-W directional basins were developed which were limited to the extension-related faults beginning in the late Oligocene to early Miocene. The fi llings of these basins consist of fl uvial – lacustrine deposits containing volcanic and volcaniclastic intercalations. These deposits include intensive local unconformities and soft sediment deformation structures. The fi lling of the Bigadiç Neogene Basin which is one of these basins, constitute base limestone unit, lower tuff unit, lower borate unit, upper tuff unit and upper borate unit. The base limestone unit composed of claystone, marl, limestone, dolomitic limestone facies was deposited …