The Florence Rise, the Western Bend of the Cyprus Arc

Woodside, John; Mascle, J.; Zitter, T.A.C.; Limonov, A.F.; Ergün, Mustafa; Volkonskaia, A.

doi:10.1016/s0025-3227(02)00194-9

Cited by 56 publications

(25 citation statements)

References 24 publications

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“…Many workers have established that the relative plate motion west of Cyprus is localized on the Florence Rise, beneath which the African plate (formed in oceanic crust) is subducting northeastward below the Turkish plate (e.g., Woodside et al, 2002;Wdowinski et al, 2006). We envisage that the relative motions occurring across northern Cyprus and across the western Latakia…”

Section: Relative Motion Of Cyprusmentioning

confidence: 77%

The kinematics of central-southern Turkey and northwest Syria revisited

et al. 2014

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Central-southern Turkey, NW Syria, and adjacent offshore areas in the NE Mediterranean region form the boundary zone between the Turkish, African and Arabian plates. A great deal of new information has emerged in recent years regarding senses and rates of active crustal deformation in this region, but this material has not hitherto been well integrated, so the interpretations of key localities by different teams remain contradictory. We have reviewed and synthesized this evidence, combining it with new investigations targeted at key areas of uncertainty. This work has led to the inference of previously unrecognized active faults and has clarified the roles of other structures within the framework of plate motions provided by GPS studies. Roughly one third of the relative motion between the Turkish and Arabian plates is accommodated on the Misis-Kyrenia Fault Zone, which links to the study region from the Kyrenia mountain range of northern Cyprus. Much of this motion passes NNE then eastward around the northern limit of the Amanos Mountains, as previously thought, but some of it splays northeastward to link into newly-recognised normal faulting within the Amanos Mountains. The remaining two thirds of the relative motion is accommodated along the Karasu Valley; some of this component steps leftward across the Amik Basin before passing southward onto the northern Dead Sea Fault Zone (DSFZ) but much of it continues southwestward, past the city of Antakya, then into offshore structures, ultimately linking Central-southern Turkey and northwest Syria; Page 2; 30/12/2013 to the subduction zone bounding the Turkish and African plates to the southwest of Cyprus.However, some of this offshore motion continues southward, west of the Syrian coast, before linking onshore into the southern DSFZ; this component of the relative motion is indeed the main reason why the slip rate on the northern DSFZ, measured geodetically, is so much lower than that on its southern counterpart. In some parts of this region, notably in the Karasu Valley, it is now clear how the expected relative plate motion has been accommodated on active faults during much of the Quaternary: rather than constant slip rates on individual faults, quite complex changes in the partitioning of this motion on timescales of hundreds of thousands of years are indicated. However, in other parts of the region it remains unclear whether additional major active faults remain unrecognised or whether significant relative motions are accommodated by distributed deformation or on the many smaller-scale structures present. Highlights

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Section: Relative Motion Of Cyprusmentioning

confidence: 77%

The kinematics of central-southern Turkey and northwest Syria revisited

et al. 2014

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“…In the Mediterranean Sea, the first mud volcanoes were discovered in the accretionary prism of the western Hellenic arc (Cita et al 1981) and in the central Mediterranean Ridge with the well known Olimpi mud volcano field (Cita and Camerlenghi 1990;Huguen et al 2004;Ivanov et al 1996). Since these discoveries, numerous fluid seepage related seabed structures have been identified in the Anaximander Mountains (Woodside et al 1998), along the Florence Rise (Woodside et al 2002;Zitter 2004), in the Levant Basin (Coleman and Ballard 2001), as well as in the Nile Deep Sea Fan Loncke et al 2004;Mascle et al 2001Mascle et al , 2006. Bathymetry and acoustic imagery maps of the seafloor obtained with shipborne multibeam echosounders (Loubrieu et al 2001;MediMap Group et al 2005) have played a key role in the discovery of fluid escape structures in the eastern Mediterranean Sea.…”

Section: Fluid Seepage In the Eastern Mediterraneanmentioning

confidence: 99%

High-resolution mapping of large gas emitting mud volcanoes on the Egyptian continental margin (Nile Deep Sea Fan) by AUV surveys

Dupré¹,

Buffet²,

Mascle³

et al. 2008

Mar Geophys Res

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Two highly active mud volcanoes located in 990-1,265 m water depths were mapped on the northern Egyptian continental slope during the BIONIL expedition of R/V Meteor in October 2006. High-resolution swath bathymetry and backscatter imagery were acquired with an autonomous underwater vehicle (AUV)-mounted multibeam echosounder, operating at a frequency of 200 kHz. Data allowed for the construction of *1 m pixel bathymetry and backscatter maps. The newly produced maps provide details of the seabed morphology and texture, and insights into the formation of the two mud volcanoes. They also contain key indicators on the distribution of seepage and its tectonic control. The acquisition of highresolution seafloor bathymetry and acoustic imagery maps with an AUV-mounted multibeam echosounder fills the gap in spatial scale between conventional multibeam data collected from a surface vessel and in situ video observations made from a manned submersible or a remotely operating vehicle.

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“…Directly south of the Florence Rise, seafloor deformation observed on multibeam maps displays a short wavelength arc-parallel linear fabric with the highest degree of surface deformation. On seismic sections (Figure 8b), this area displays subvertical faulting with anastomosing fault branches and positive flower structures affecting post-Messinian sediments (Woodside et al 2002), and is believed to be the most active area of the region. This typical transpressive deformation is responsible for the construction of the relief (about 200 m) of the central part of the rise (between E30 40 0 and E31 20 0 ).…”

Section: The Western Limb Of the Cyprus Arcmentioning

confidence: 99%

“…These structures could still be related to or similar either to the Mamonia Complex on Cyprus or to the Antalya Nappes Complex, but without the ophiolite component. Another interpretation would be that they are part of the old buried accretionary prism (Robertson 1998b;Woodside et al 2002). However, if thrusting has occurred in this area, it is limited to pre-Pliocene rocks and is now cross-cut by transcurrent faults.…”

Section: The Western Limb Of the Cyprus Arcmentioning

confidence: 99%

The Anaximander Mountains: a clue to the tectonics of southwest Anatolia

2003

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The offshore Anaximander Mountains are an important link between the Hellenic and Cyprus arcs. They were formed by southeastward rifting from Turkey in post‐Miocene time. Gravity data have shown that the eastern part of the Anaximander Mountains is different from the western part; multibeam mapping seems to confirm that the eastern Anaximander Mountains have affinity with the Florence Rise structure (western Cyprus Arc). Faulting along and across the latter feature is characterized in the seismic data by anastomosing faults and pop‐up flower structures. It is likely that progressive adjustment to incipient collision developed into a broad zone of NW–SE transpressive wrenching extending towards south Turkey. In contrast, the western mountains are more directly related to the opening of the Rhodes Basin and the Finike Basin, as transtension may have dominated in southwest Turkey since the Pliocene. The connection with onshore Turkey is still unclear, but could be related to the Fethiye–Burdur Fault Zone that defines the western boundary of the complex Isparta Angle. The Anaximander Mountains and the Isparta Angle form together a tectonic accommodation zone between the active deformation in southwestern Turkey and the Aegean region and the tectonically quieter Cyprus region. Copyright © 2003 John Wiley & Sons, Ltd.

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The Florence Rise, the Western Bend of the Cyprus Arc

Cited by 56 publications

References 24 publications

The kinematics of central-southern Turkey and northwest Syria revisited

The kinematics of central-southern Turkey and northwest Syria revisited

High-resolution mapping of large gas emitting mud volcanoes on the Egyptian continental margin (Nile Deep Sea Fan) by AUV surveys

The Anaximander Mountains: a clue to the tectonics of southwest Anatolia

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