
Erkan GünUniversity of Bremen | Uni Bremen · MARUM - Center for Marine Environmental Sciences
Erkan Gün
Doctor of Philosophy
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25
Publications
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Introduction
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September 2022 - September 2024
Publications
Publications (25)
Lithospheric drips have been interpreted for various regions around the globe to account for
the recycling of the continental lithosphere and rapid plateau uplift. However, the validity of
such hypothesis is not well documented in the context of geological, geophysical and
petrological observations that are tested against geodynamical models. Here...
Terrane accretion is a ubiquitous process of plate tectonics that delivers fragments of subduction-resistant lithosphere into a subduction zone, resulting in events such as ocean plateau docking or continental assembly and orogenesis. The post-collisional extension of continental terranes is a well-documented tectonic process linked with gravitatio...
Terranes are passengers within drifting oceanic plate, and ride with the plate to subduction plate boundaries. Although oceanic lithosphere readily subducts into the mantle at the plate boundary, terranes may resist sinking or not, depending on a variety of controlling factors that are not very well understood. Further, the tectonic development of...
The paradigm of plate tectonics holds that ocean plates are rigid during drift and only experience tectonic deformation at subduction zones, but new findings from the Pacific challenge this idea. Geological and geophysical evidence from the Ontong Java, Shatsky, Hess, and Manihiki oceanic plateaux indicates that extensional deformation during plate...
Large igneous provinces (LIPs) have been linked to both surface and deep mantle processes. During the formation, tenure, and breakup of the supercontinent Pangea, there is an increase in emplacement events for both continental and oceanic LIPs. There is currently no clear consensus on the origin of LIPs, but a hypothesis relates their formation to...
Please follow the link for the online poster:
https://agu2021fallmeeting-agu.ipostersessions.com/default.aspx?s=E9-79-97-4B-75-D7-50-1B-06-E5-4A-BD-28-AE-62-CC&guestview=true
Plate tectonics is a well-recognized and accepted theory that provides rather simple explanations to many geodynamics problems. The theory depends on rifting and drifting continental plates, creating new oceanic lithosphere along the mid-ocean ridges which later sinks into the asthenosphere along the convergent subduction plate boundaries. Oceanic...
Terranes are passengers within drifting oceanic plate, and ride with the plate to subduction plate boundaries. Although oceanic lithosphere readily subducts into the mantle at the plate boundary, terranes may resist sinking or not, depending on a variety of controlling factors that are not very well understood. Further, the tectonic development of...
Lithospheric drips may develop at the lowermost portion of the mantle lithosphere (colder/denser mantle lithosphere) and sink into the underlying sub-lithospheric mantle. Inferred mainly from a series of geological and geophysical interpretations (i.e., surface subsidence, uplift, and shortening) this process is responsible for the removal or thinn...
The Tethyan belt in the eastern Mediterranean region is characterized by the accretion of several micro-continental blocks (e.g. Anatolide-Tauride, Sakarya and Istanbul terranes). The accretion of a micro-continental block to the active continental margin and subsequent initiation of a new subduction are of crucial importance in understanding the g...
The uplift of Central Anatolia over the last 8-10 m.y. is associated with a broad 1 km plateau, with higher elevations at the north (Pontides) and the south (Taurides) margins. A number of geophysical, petrological and geological evidence suggests that the Central Anatolian (Kırşehir) arc root was removed 10 Myrs ago. To investigate the role of pot...
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...
Lithospheric delamination in the sense of peel away of the mantle lithosphere from the overlying crust may occur during and at the terminal phase of the orogenic cycle and it has been recognized as a significant geodynamic process to identify the elevated surface topography, widespread magmatism and distinct crustal deformation patterns (i.e extens...
The neotectonic evolution of Anatolia is dominated by collisions of irregular continental fragments and accretion of island arcs in conjunction with the Alpine orogenesis. Currently, two contrasting tectonic regimes are thought to prevail the Anatolian plate: (1) western Anatolia and the adjacent Aegean region is marked by back-arc rifting (e.g., n...
Traditionally the structure of the Turkish segment of the Strandja Massif was interpreted as the Paleozoic basement intruded by Permian granitoids and Triassic-Jurassic or Permo-Jurassic sedimentary cover. All of these units are metamorphosed in epidote-amphibolite to greenschist facies and strongly deformed in Jurassic-early Cretaceous times. The...
Large igneous provinces (LIPs) have been linked to both surface and deep mantle processes. During the formation, tenure and break-up of the supercontinent Pangaea, there is an increase in emplacement events for both continental and oceanic LIPs. There is currently no clear consensus on the origin of LIPs, but a hypothesis relates their formation to...