Evolution of an active continental margin as exemplified by the Alpine history of the Caucasus

Adamia, Shota; Lordkipanidze, M.; Zakariadze, G. S.

doi:10.1016/0040-1951(77)90065-8

Cited by 198 publications

(104 citation statements)

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“…Others differences concern the occurrence of post-Eocene reverse and thrust faults which accommodated shortening in the basement of the SAB and the Sevan-Akera ophiolitic zone (Figs 2 & 3). (Knipper 1975;Adamia et al 1977Adamia et al , 1987Ricou et al 1986). The basement formations are quite similar to those known all along the Eurasian margin.…”

Section: General Structural Settingmentioning

confidence: 99%

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Subductions, obduction and collision in the Lesser Caucasus (Armenia, Azerbaijan, Georgia), new insights

et al. 2010

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In the Lesser Caucasus three main domains are distinguished from SW to NE: (1) the autochthonous South Armenian Block (SAB), a Gondwana-derived terrane; (2) the ophiolitic Sevan-Akera suture zone; and (3) the Eurasian plate. Based on our field work, new stratigraphical, petrological, geochemical and geochronological data combined with previous data we present new insights on the subduction, obduction and collision processes recorded in the Lesser Caucasus. Two subductions are clearly identified, one related to the Neotethys subduction beneath the Eurasian margin and one intra-oceanic (SSZ) responsible for the opening of a back-arc basin which corresponds to the ophiolites of the Lesser Caucasus. The obduction occurred during the Late Coniacian to Santonian and is responsible for the widespread ophiolitic nappe outcrop in front of the suture zone. Following the subduction of oceanic lithosphere remnants under Eurasia, the collision of the SAB with Eurasia started during the Paleocene, producing 1) folding of ophiolites, arc and Upper Cretaceous formations (Transcaucasus massif to Karabakh); 2) thrusting toward SW; and 3) a foreland basin in front of the belt. Upper-Middle Eocene series unconformably cover the three domains. From Eocene to Miocene as a result of the Arabian plate collision with the SAB to the South, southward propagation of shortening featured by folding and thrusting occurred all along the belt. These deformations are sealed by a thick sequence of unconformable Miocene to Quaternary clastic and volcanic rocks of debated origin.

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Section: General Structural Settingmentioning

confidence: 99%

“…It was classically admitted that the obduction was directly related to the collision between the SAB and Eurasia. As a result the Eurasian plate overthrusted the ophiolites southwards (Adamia et al 1977(Adamia et al , 1981.…”

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confidence: 99%

Subductions, obduction and collision in the Lesser Caucasus (Armenia, Azerbaijan, Georgia), new insights

et al. 2010

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“…(II) In the region second period developed as a result of Turronian-Maestrichtien age subduction, generally sub alkaline related to oceanic island arc magmatisms (Adamia et al, 1977;Eğin et al, 1979;Kazmin et al, 1986;Çamur et al, 1996). Same magmatism has been claimed to be related to Late Cretaceous-Early Eocene magmatic arc (Şengör et al, 2003).…”

Section: Mescitli Formationmentioning

confidence: 99%

MINERALOGY AND GEOCHEMISTRY OF THE KOCADAL (TORUL, GÜMÜŞHANE, EASTERN BLACK SEA REGION, TURKEY) Zn-Pb-Ag, Au and Cu MINERALIZATIONS

Cihan¹

2016

Bulletin of the Mineral Research and Exploration

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“…Sahada Mesozoyik istifin en alt kesimi, Variskan temel üzerinde uyumsuz olarak gelen Erken Jura yaşlı volkano-tortul bir birimle temsil edilmektedir (Şenköy formasyonu) [19]. Bu birim taban konglomerası ile başlar; bazalt, diyabaz, çört ve dasitik tüf içeren türbiditik karakterli çakıltaşı, kumtaşı, silttaşı ve marnlar ile devam eder [20]. Bu birim üzerine Pelin (1977) tarafından Berdiga formasyonu olarak adlandırılan ve altaki birimle uyumlu olarak taban kesimi genelde masif karakterli platform nitelikli karbonatlardan oluşan Geç Jura-Erken Kretase yaşlı birim gelir [21].…”

Section: Gi̇ri̇ş (Introduction)unclassified

Kurşun-Çinko Maden Artığı Kayaçlarla Üretilen Betonların Mekanik ve Fiziksel Özelliklerinin Araştırılması

Çullu¹

2018

Journal of Polytechnic

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Evolution of an active continental margin as exemplified by the Alpine history of the Caucasus

Cited by 198 publications

References 8 publications

Subductions, obduction and collision in the Lesser Caucasus (Armenia, Azerbaijan, Georgia), new insights

Subductions, obduction and collision in the Lesser Caucasus (Armenia, Azerbaijan, Georgia), new insights

MINERALOGY AND GEOCHEMISTRY OF THE KOCADAL (TORUL, GÜMÜŞHANE, EASTERN BLACK SEA REGION, TURKEY) Zn-Pb-Ag, Au and Cu MINERALIZATIONS

Kurşun-Çinko Maden Artığı Kayaçlarla Üretilen Betonların Mekanik ve Fiziksel Özelliklerinin Araştırılması

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