Boris Natalin

Boris Natalin
Istanbul Technical University · Faculty of Mines

Professor

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66
Publications
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Publications

Publications (66)
Conference Paper
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z: Trakya Formasyonu, İstanbul Paleozoyik istifinin en genç birimidir. İstanbul'un batısında geniş mostralar halinde görülen bu birim, fliş nitelikli olup tipik Bouma sekansının farklı kesimlerine ait kumtaşı, silttaşı ve kiltaşı ardalanmasından oluşur. İstifin yakınsak elemanları daha çok doğuda mostra verirken, batıya doğru ıraksak elemanları gör...
Conference Paper
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new insights for considerations of basin evolution with help of sedimentary structures presentation https://www.researchgate.net/publication/370060144_New_Types_of_Experiments_Determining_Tectonic_or_Gravitational_Sediment_Deformations_in_Basin_Evolution_and_Comparisons_from_the_Aegean_Seafloor?_sg%5B0%5D=1N_iite-fyuy0oCs-UGmBVWAuEreDDxi4WpSDBud8E...
Article
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Continental reconstructions became a geological problem after the rise of continental drift. With plate tectonics, it became easy to make reconstructions once ocean-floor magnetic anomaly stripes became available. However, for times before the medial Jurassic, continental reconstructions must depend on palaeomagnetism, palaeoclimatology and palaeob...
Presentation
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Collecting proofs on sediment deformations for how basin developing , soft sediment deformations and dwell on new possibilities so as not to be narrow-minded. Analogue experiment for soft surface deformations that best models the compression, slide and shear functions in nature. Because the material agglomeration does not consist of linear or parti...
Conference Paper
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Kıt’alar, okyanus levhalarının aksine toplam yamulmanın geniş alanlarda ve çok sayıda tektonik yapı arasında paylaşıldığı deformasyon zonlarına sahiptir. Hindistan-Avrasya çarpışmasına bağlı olarak yaklaşık 3000 km genişliğinde bir deformasyon alanının oluştuğu Asya Kıt’ası, buna en iyi örneklerden biridir. Güneyde himalayalar’dan kuzeyde Baykal Gö...
Article
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The Altaids is the largest orogenic belt in Central Asia occupying some ~9 million km². It is a Turkic-type orogeny assembled between ~750 and ~ 150 Ma around the western and southern margins of the Siberian Craton. All available data published so far, geological, geophysical, and geochemical—mostly high-resolution UPb ages—document the growth of o...
Article
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The Ovacık Fault (OF) is one of the internal structures of the Anatolian Block, located close to its eastern boundary. Although it shows a very clear surface trace, there are no instrumentally recorded surface rupturing earthquakes on this fault. This study concludes results of the first palaeoseismological trench study on the OF with the evidence...
Chapter
The continental lithosphere is not generated or destroyed in the same manner as the oceanic lithosphere. It is this difference that makes continental transform faults substantially different in behavior from their oceanic counterparts. The kinematic rules of plate tectonics commonly do not apply to them, because at their ends lithosphere is rarely...
Chapter
Continental transform faults commonly do not obey the kinematic rules of plate tectonics, because at their ends lithosphere is rarely created or destroyed. Earthquakes along them reach depths of some 20 km maximum, except in rare shortening segments, where deeper hypocenters have been detected. They are rarely confined to simple faults, but form br...
Article
Orogenic belts, the main factories of continental crust and the most efficient agents of continental deformation, are commonly extremely complex structures. Every orogenic belt is unique in detail, but they are generally similar to each other, having mainly been products of subduction and continental collision. Because of that common origin, they a...
Article
Although the westward extrusion of the Anatolian Block is mainly compensated along its boundary faults, the North Anatolian and the East Anatolian shear zones, it is internally deformed in a dominant manner by some strike-slip faults as well. To obtain a better understanding about this intraplate deformation of the Anatolian Block, we investigate t...
Article
The largest mountain belt in Central Asia (∼9 million km2) is called the Altaids. It was assembled between ∼750 and ∼130 Ma ago around the western and southern margins of the Siberian Craton, partly on an older collisional system (the “Urbaykalides”). Geological, geophysical, and geochemical data—mostly high-resolution U-Pb ages—document the growth...
Conference Paper
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Doğu Akdeniz’in karmaşık tektonik birlikteliği içerisinde, Anadolu’nın batı yönlü hareketi temel olarak kuzey sınırını oluşturan Kuzey Anadolu Fay Zonu ve doğu sınırını oluşturan Doğu Anadolu Fay Zonu boyunca gerçekleşir. Ana deformasyonun bu iki makaslama zonu üzerinde yoğunlaşmasına rağmen, çok sayıda doğrultu atımlı ve/veya oblik fay Anadolu ‘le...
Article
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The Strandja Massif, northwestern Turkey, forms a link between the Balkan Zone of Bulgaria, which is correlated with the Variscan orogen in Europe, and the Pontides, where Cimmerian structures are prominent. Five fault-bounded tectonic units form the massif structure. (1) The Kırklareli Unit consists of the Paleozoic basement intruded by the Carbon...
Conference Paper
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The city of İstanbul lies at the boundary between Europe and Asia in NW Turkey. Beside the city’s unique geographical position its geology is also unique. İstanbul sits on an isolated and well developed, continuous Palaeozoic sequence. The Palaeozoic sequence is unmetamorphosed despite the fact that it was affected by three orogenies; Hercynian, Ci...
Conference Paper
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The Anatolian ‘plate’ is being extruded westward relative to the Eurasia along two major tectonic structures, the North Anatolian and the East Anatolian shear zones, respectively making its northern and eastern boundaries. Although the main deformation is localized along these two structures, there is remarkable intra-plate deformation within Anato...
Article
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The stratigraphic succession exposed in the Karaburun area (southern Black Sea coast, NW Turkey) records multiple changes in depositional and tectonic settings during Cenozoic times. It starts with the Middle-Upper Eocene Soğucak Formation of reef limestone that across a normal fault, omitting the lower part of the Lower Oligocene Ceylan Formation...
Conference Paper
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The tectonic evolution of the eastern Mediterranean is mainly defined by the interaction between three major plates, Eurasia, Africa, Arabia and the smaller Anatolian 'scholle'. The Anatolia is being extruded westward along two major tectonic structures, the North Anatolian (NASZ) and the East Anatolian (EASZ) shear zones, respectively forming its...
Article
The Altaids, an Ediacaran to early Cretaceous superorogenic complex in central and northwestern Asia, is bounded on the west by the Urals, on the south by the 'Intermediate Units' consisting of the Alay Microcontinent, the Tarim Block and south China carrying also the Manchuride Orogenic Belt and on the northeast by the Siberian Craton. Within this...
Article
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The Altaids are one of the largest superorogenic complexes in the world in which two genetically closely related orogenic complexes ended up generating much of northern Asia during the Palaeozoic and the early and medial Mesozoic. This immense superorogenic complex evolved as a consequence of the development of two large island arc systems called t...
Article
Fluids venting from the submarine portion of the Marmara Main Fault (part of the North Anatolian Fault system, Turkey) were sampled in Ti bottles deployed by submersible. The fluids consist of mixtures of fault derived gases, fault related cold seep fluids, and ambient seawater; these components can readily be distinguished using the isotopes of He...
Article
Full-text available
The Strandja Massif, Thrace Peninsula, NW Turkey, forms an important link between the Balkan Zone of Bulgaria, which is usually correlated with Variscan orogen in Central Europe, and the Pontides, where Cimmerian structures are the most prominent. The massif is composed of a Palaeozoic basement and a Triassic metasedimentary cover. The basement is...
Article
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The southern part of the Strandja Massif, northern Thrace, Turkey, comprises a basement of various gneisses, micaschists and rare amphibolite, and a cover of metaconglomerate and metasandstone, separated from each other by a pre-metamorphic unconformity. Metamorphic grade decreases from the epidote–amphibolite facies in the south to the albite–epid...
Article
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The publication is devoted to the history of one of the greatest concepts of tectonics of Asia, that has been widely accepted and yet obliterated with time, while the splendors of this concept are doubtful. Numerous citations in the Russian papers to «The Face of the Earth» by Edward Suess and the fact that he was elected a Corresponding Member of...
Article
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Detrital zircon ages from metasedimentary rocks of the Strandja massif have been used to reveal its tectonic history, initial position, and some aspects of the Paleozoic motion of this continental block within the Tethyan domain. The age of the metamorphic basement of northwestern Turkey has thus far been uncertain. Estimates of the depositional ag...
Article
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The western escarpment of the Sea of Marmara has been recently recognized to be the site of intensive gas emissions escaping from the seafloor. Visual observations with Nautile submersible also indicate that gas escapes from elongated tensile cracks oriented to the NW, in the direction of the maximum principal stress. Here we report results from a...
Conference Paper
Four Ocean Bottom Seismometers (OBS) were deployed for 2,5 months in the Tekirdag Basin (eastern Sea of Marmara), within the submerged section of the North Anatolian Fault. Seismological data from land stations deployed onshore by the Kandilli Earthquake Observatory (KOERI) were also used to improve the determination of the earthquake characteristi...
Conference Paper
The Northern branch of the North Anatolian Fault system in the Sea of Marmara accommodates 20-25mm yr-1 of dextral strike-slip, most of the movement between the Eurasian and Anatolian plates, and is expected to be the locus of a major earthquake in the near future. Fluid expulsion sites are common along fault scarps as well as on splays (Zitter et...
Article
The submerged section of the North Anatolian fault within the Marmara Sea was investigated using acoustic techniques and submersible dives. Most gas emissions in the water column were found near the surface expression of known active faults. Gas emissions are unevenly distributed. The linear fault segment crossing the Central High and forming a sei...
Article
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The Strandja massif consists of metamorphic basement intruded by large Early Permian plutons of the Kirklareli type and overlain by Triassic metasedimentary cover. Together with its continuation in Bulgaria this massif forms an important link between the Pontides and the orogenic belts of Europe. Various types of orthogneisses constitute a signific...
Article
Abstract The history of Mesozoic accretion and growth of the Asia eastern margin, occupied by Southeastern Russia, includes five main events; two main tectonic regimes were responsible for the growth of the continent. In the Triassic-Jurassic, Early Cretaceous and Late Cretaceous-Paleogene, the subduction of the oceanic lithosphere resulted in the...
Article
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The Altaids are the orogenic system located in the large triangular area enclosed by the Uralides in the west, the East Siberian Craton in the East and the Asian Intermediate Units in the South. They commenced their evolution in the Vendian as a continental margin arc extending from the South Caspian area in Europe to the southern leg of the Tuva-M...
Article
A number of en échelon-arranged, southwest-facing arc fragments of Palaeozoic to Jurassic ages, sandwiched between two fairly straight east-northeast trending boundaries, constitute the basement of the Scythian and the Turan platforms located between the Laurasian and Tethyside units. They have until now largely escaped detection owing to extensive...
Article
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Earthquake scarps associated with recent historical events have been found on the floor of the Sea of Marmara, along the North Anatolian Fault (NAF). The MARMARASCARPS cruise using an unmanned submersible (ROV) provides direct observations to study the fine-scale morphology and geology of those scarps, their distribution, and geometry. The observat...
Article
This chapter presents an overview of the distribution, current tectonic position and mode of origin of the remnants of oceanic basement rocks in the Altaids as likely analogues of similar rocks in many Precambrian, but mainly Archaean, orogenic belts. The concept of ophiolite gained great popularity after the advent of plate tectonics, because ophi...
Article
Correlation of tectonostratigraphic units across the Bering Strait suggests that the northern Chukotka including most of the East Siberian Shelf as well as the Brooks Range, Colville Basin, Beaufort Shelf, and Seward Peninsula on the North American side represent a large continental block. The core of this block consists of the Neoproterozoic Benne...
Article
The Koolen metamorphic dome of Chukotka Peninsula has been interpreted as a mid-Cretaceous extensional core complex. On the NW flank of the dome, three lithotectonic units are exposed: (1) High-Grade unit, composed of sillimanite-grade rocks; (2) Tanatap unit, composed of polydeformed greenschist-grade phyllites and marbles; (3) Chegitun unit compo...
Article
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The NW-SE trending Stranja Massif occupies the NE part of the Thrace region (Turkey) and continues across the state border in Bulgaria. Available tectonic models on the evolution of this massif imply a large-scale Mesozoic thrusting that have affected both the Paleozoic basement of the massif and its Triassic to Lower Jurassic sedimentary cover. In...
Chapter
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Rifts are fault-bounded elongate troughs, under or near which the entire thickness of the lithosphere has been reduced in extension during their formation. They form in most tectonic settings, including above mantle plumes, and at all stages of the Wilson Cycle of ocean opening and closing. The purpose of this paper is to present an updated invento...
Article
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The Neogene marginal succession of the Eastern Paratethys (EP) crops out along the southern Black Sea coast and in the Marmara region of Turkey, and provides important clues to the tectono-sedimentary and palaeoceanographic conditions. In the Tarkhanian stage, the southern margin of the EP basin was largely a carbonate platform covered by warm, mar...
Article
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Paleozoic rocks exposed across the northern flank of the mid-Cretaceous to Late Cretaceous Koolen metamorphic dome make up two structurally superimposed tectonic units: (1) weakly deformed Ordovician to Lower Devonian shallow marine carbonates of the Chegitun unit which formed on a stable shelf and (2) strongly deformed and metamorphosed Devonian t...
Article
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Structural culminations of midcrustal metamorphic rocks are found on both sides of the Bering Strait in Alaska and Russia and occur within a magmatic belt of Cretaceous age. Geologic mapping in the Koolen Lake-Lavrentia Bay region of the Chukchi Peninsula, Russia, outlines the basic relations between deformation, metamorphism, and magmatism in one...
Article
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▪ Abstract Turkic-type orogeny is a class of collisional mountain building, in which the precollision history of one, or both, of the colliding continents involves the growth of very large, subcontinent-size subduction-accretion complexes, into which magmatic arc axes commonly migrate and thus enlarge the continent to which they are attached. A rev...
Article
The Junggar, Turfan and Alakol basins in northwestern China and Kazakhstan formed as Late Permian to ?Early Triassic extensional structures in a broad sinistral shear zone between large strike-slip faults that separate two main domains of the Altaid orogenic collage. Deformation associated with the formation of the basins was taken up in part by co...
Article
In Sikhote Alin, the Anuy river provides a representative cross-section of the pre-Eocene structure of the area east of the central Sikhote Alin fault. The Mesozoic rocks are divided into the following groups, from bottom to top: Anuy metamorphic rocks; the Tithonian-Berriasian (Samarkinsk) accretionary complex; Early Cretaceous (Zhuravlevsk-Tumnin...
Article
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A new tectonic model, postulating the growth of giant subduction-accretion complexes along a single magmatic arc now found contorted between Siberia and Baltica, shows that Asia grew by 5.3 million square kilometres during the Palaeozoic era. Half of this growth may have occurred by the addition of juvenile crust newly extracted from the mantle, su...
Article
The Cenozoic features of Eurasia, such as marginal seas and intracontinental deformation, are unraveled using available paleomagnetic and field data. The Late Cretaceous shape of Eurasia is then reconstructed. From the examples of SW Japan and South Russian Far East, the major features of the Mesozoic Eurasian margin—suture zones marked by ophiolit...
Article
The tectonic evolution of Northeastern Asia is outlined through recognition of tectonostratigraphic terranes and their lateral zonations of island arc and continental margin (active and passive) affinities. In the Early Mesozoic the following large continental masses can be recognized: the Eastern Siberian continent (Siberian platform) and the Chuk...
Article
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The analysis of the distribution of thrusts, normal faults and strike-slip faults of various ages has allowed us to determine the character of lithospheric block displacements in the Soviet Far East. The early Mesozoic, late Mesozoic and Cainozoic kinematics were each essentially different. The Early Mesozoic Dzhagdinsk fault system appeared as a r...
Article
Eugeosynclinal folded systems of the NW Pacific Rim can be divided into accretional and collisional. Their modern structure and secondary tectonic transformations are different but a pre-deformational history is similar. Both types of the systems include elements similar to those of the modern convergent margins of island arc and Andean types. In t...
Article
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Geodynamics and tectonic evolution of the North-Eastern Asia was determined by the establishment of those structural elements in the geological sections which are typical of the modern active continental margins.The Neogene island arcs on the majority of their strike coincide with the modern ones (the Kuril-Kamchatka) but locally they are broken up...

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