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Earth Sciences

Bulletin of the Mineral Research and Exploration

Neotectonics

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Full-Text Articles in Physical Sciences and Mathematics

Neotectonics Of Türkiye And Its Geothermal Implication, Naci Görür, Şebnem Önder Sep 2023

Neotectonics Of Türkiye And Its Geothermal Implication, Naci Görür, Şebnem Önder

Bulletin of the Mineral Research and Exploration

Favorable conditions for geothermal energy were created in Türkiye during its neotectonic episode from Neogene to Quaternary. This episode is characterized mainly by fluvio-lacustrine sedimentation and strike-slip tectonics with associated magmatism. Under these conditions, a great number of geothermal areas have formed in the neotectonics provinces in association with major tectonic features, including the North and East Anatolian Fault Zones (NAFZ and EAFZ, respectively). Today, the geothermal resources of Türkiye are mainly located in the West Anatolian Extensional Province associated with the graben systems. However, the Central Anatolian Ova Neotectonic Province is considered one of the most promising geothermal targets …


The Internal Structure Of Beypazarı Blind Thrust Zone Around Çayırhan, Anıl Ardahanlioğlu, Gürol Seyi̇toğlu, Korhan Esat Apr 2020

The Internal Structure Of Beypazarı Blind Thrust Zone Around Çayırhan, Anıl Ardahanlioğlu, Gürol Seyi̇toğlu, Korhan Esat

Bulletin of the Mineral Research and Exploration

The Beypazarı Blind Thrust Zone, which is surrounded by the North Anatolian, the Eskişehir, and the Kırıkkale-Erbaa fault zones, is a recently defined neotectonic structure developed in the NW central Anatolia together with the Eldivan-Elmadağ and the Abdüsselam Pinched Crustal Wedges. In this study, the internal structure of the Beypazarı Blind Thrust Zone has been examined in detail around Çayırhan region. It has been defined that it consists of the Karaköy, Sekli, Nalçabayırı, Uzunbayır blind thrusts, Davutoğlan Back Thrust, and Beypazarı Blind Thrust I-II from North to south, respectively with help of the fault-propagation folds in the study area. The …


The Neotectonics Of Ne Gaziantep: The Bozova And Halfeti Strike-Slip Faults And Their Relationships With Blind Thrusts, Turkey, Nuray Şahbaz, Gürol Seyi̇toğlu Jun 2018

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 …


One Of The Mai̇n Neotectoni̇c Structures İn The Nw Central Anatoli̇a: Beypazari Bli̇nd Thrust Zone And Related Fault-Propagati̇on Folds, Gürol Seyi̇toğlu, Korhan Esat, Bülent Kaypak Apr 2017

One Of The Mai̇n Neotectoni̇c Structures İn The Nw Central Anatoli̇a: Beypazari Bli̇nd Thrust Zone And Related Fault-Propagati̇on Folds, Gürol Seyi̇toğlu, Korhan Esat, Bülent Kaypak

Bulletin of the Mineral Research and Exploration

This paper suggests that the structure known as “Beypazarı flexure / monocline” in the Turkish geology literature should be named as “Beypazarı fault-propagation folds”. Beypazarı, Kilci and Başören blind thrusts together with Erenler back thrust constitute the Beypazarı Blind Thrust Zone which is an active neotectonic structure as indicated by earthquake activity. NW-SE contraction created by the interaction between the North Anatolian Fault Zone, the Kırıkkale-Erbaa Fault Zone and the Eskişehir Fault Zone produced the Eldivan-Elmadağ Pinched Crustal Wedge, the Abdüsselam Pinched Crustal Wedge and the Beypazarı Blind Thrust Zone. These structures take up the internal deformation of the Anatolian …


The Ilica Branch Of The Southeastern Eski̇şehi̇r Fault Zone: An Active Rightlateral Strike-Slip Structure In Central Anatolia, Turkey, Korhan Esat, Bülent Kaypak, Veysel Işik, Berkan Ecevi̇toğlu, Gürol Seyi̇toğlu May 2016

The Ilica Branch Of The Southeastern Eski̇şehi̇r Fault Zone: An Active Rightlateral Strike-Slip Structure In Central Anatolia, Turkey, Korhan Esat, Bülent Kaypak, Veysel Işik, Berkan Ecevi̇toğlu, Gürol Seyi̇toğlu

Bulletin of the Mineral Research and Exploration

The Eskişehir Fault Zone is one of the prominent neotectonic structures of Turkey. It separates the west Anatolian extensional province and the strike-slip induced northwest central Anatolian contractional area in the Anatolian Block. Its southeastern part is generally divided into three branches, namely the Ilıca, Yeniceoba, and Cihanbeyli from north to south, respectively. The right lateral strike-slip Ilıca branch (IB) is an approximately 100-km-long fault and it is composed of several segments in a northwest-southeast direction. The slickensides, subsidiary fractures, cataclastic zone, fracture-controlled drainage pattern, right lateral stream deflections, deformation in the Quaternary unit observing in the seismic reflection sections, …