globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00531-014-1111-9
Scopus记录号: 2-s2.0-84925502857
论文题名:
The Rhodope Zone as a primary sediment source of the southern Thrace basin (NE Greece and NW Turkey): evidence from detrital heavy minerals and implications for central-eastern Mediterranean palaeogeography
作者: Caracciolo L.; Critelli S.; Cavazza W.; Meinhold G.; von Eynatten H.; Manetti P.
刊名: International Journal of Earth Sciences
ISSN: 14373254
出版年: 2015
卷: 104, 期:3
起始页码: 815
结束页码: 832
语种: 英语
英文关键词: Biga Peninsula ; Circum-Rhodope Belt ; Cr-spinel geochemistry ; Detrital heavy minerals ; Sediment provenance ; Thrace basin
英文摘要: Detrital heavy mineral analysis coupled with a regional geological review provide key elements to re-evaluate the distribution of the Rhodope metamorphic zone (SE Europe) in the region and its role in determining the evolution of the Thrace basin. We focus on the Eocene–Oligocene sedimentary successions exposed in the southern Thrace basin margin to determine the dispersal pathways of eroded crustal elements, of both oceanic and continental origins, as well as their different contributions through time. Lithological aspects and tectonic data coupled with geochemistry and geochronology of metamorphic terranes exposed in the area point to a common origin of tectonic units exposed in NW Turkey (Biga Peninsula) with those of NE Greece and SE Bulgaria (Rhodope region). The entire region displays (1) common extensional signatures, consisting of comparable granitoid intrusion ages, and a NE-SW sense of shear (2) matching zircon age populations between the metapelitic and metamafic rocks of the Circum-Rhodope Belt (NE Greece) and those of the Çamlica–Kemer complex and Çetmi mélange exposed in NW Turkey. Detrital heavy mineral abundances from Eocene–Oligocene sandstones of the southern Thrace basin demonstrate the influence of two main sediment sources mostly of ultramafic/ophiolitic and low- to medium-grade metamorphic lithologies, plus a third, volcanic source limited to the late Eocene–Oligocene. Detrital Cr-spinel chemistry is used to understand the origin of the ultramafic material and to discriminate the numerous ultramafic sources exposed in the region. Compositional and stratigraphic data indicate a major influence of the metapelitic source in the eastern part (Gallipoli Peninsula) during the initial stages of sedimentation with increasing contributions from metamafic sources through time. On the other hand, the western and more external part of the southern Thrace margin (Gökçeada, Samothraki and Limnos) displays compositional signatures according to a mixed provenance from the metapelitic and metamafic sources of the Circum-Rhodope Belt (Çamlıca–Kemer complex and Çetmi mélange). Tectonic restoration and compositional signatures provide constraints on the Palaeogene palaeogeography of this sector of the central-eastern Mediterranean region. © 2014, Springer-Verlag Berlin Heidelberg.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84925502857&doi=10.1007%2fs00531-014-1111-9&partnerID=40&md5=522552d17368d9161b29dc1d2c005686
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被引频次[WOS]:24   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/70313
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: Dipartimento di Biologia, Ecologia e Scienze della Terra (DIBEST), Università della Calabria, via P. Bucci, cubo 4b, Rende (CS), Italy; Chemostrat Ltd., Sandtrak Unit 1, Ravenscroft Court, Buttington Enterprise Park, Welshpool, United Kingdom; Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Università di Bologna, Bologna, Italy; Abteilung Sedimentologie/Umweltgeologie, Geowissenschaftliches Zentrum der Georg-August-Universität Göttingen, Göttingen, Germany; Dipartimento di Scienze della Terra, Università degli Studi di Firenze, Florence, Italy

Recommended Citation:
Caracciolo L.,Critelli S.,Cavazza W.,et al. The Rhodope Zone as a primary sediment source of the southern Thrace basin (NE Greece and NW Turkey): evidence from detrital heavy minerals and implications for central-eastern Mediterranean palaeogeography[J]. International Journal of Earth Sciences,2015-01-01,104(3)
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