Neues Jahrbuch für Geologie und Paläontologie, Sep 1, 2015
The lower Tuvalian sequence of the Sorgun Ophiolitic Mélange (S Turkey) harbors one of the most d... more The lower Tuvalian sequence of the Sorgun Ophiolitic Mélange (S Turkey) harbors one of the most diverse and best preserved Late Triassic (Carnian) radiolarian faunas of the world. Here we describe a new genus (Spinostylosphaera n. gen.) and 7 new species from the Tavusçayırı block north of Erdemili. The fauna belongs to the Spongotortilispinus moixi radiolarian Zone (Paragondolella postinclinata-Paragondolella noah conodont zone).
Bulletin De La Societe Geologique De France, Jul 1, 2015
The Piolit, Pelat (French Alps) and Baiardo (Italian Maritime Alps) units contain Upper Cretaceou... more The Piolit, Pelat (French Alps) and Baiardo (Italian Maritime Alps) units contain Upper Cretaceous carbonate turbidites formations, with minor siliciclastic components. They are flysch formations, linked with the Pyrenean compressive events through their ages and their “subbriançonnais” structural position. Sedimentological, mineralogical (heavy minerals), and geochemical analysis, point to a potential “Pyrenean signature” which would testify the Late Cretaceous collision between the Ibero-Briançonnais terrane and the European plate. A “Dauphinois” origin and basin inversion erosion is proposed for the zircon-tourmaline-rutile (ZTR) bearing Piolit flysch, deposited from the Coniacian to the Campanian. A Penninic origin with tectonic inversion and erosion of former tilted blocks of the European margin from the Turonian to the Paleocene is proposed for the ZTR bearing Pelat flysch. Comparison with the Niesen (Swiss Prealps) and La Ciotat (Provence) flysch depositional context, allows to better constrain the Pyrenean compressive event in the Alpine domain. The Senonian part of the Baiardo flysch, that contains a garnet-dominated heavy mineral association and distinct geochemical trends, is allotted to the Liguro-Piemontais domain and to the Alpine collision stricto sensu.
The Mersin Mélange consists of remnants of three major Tethyan oceans, the Palaeotethys, the Pind... more The Mersin Mélange consists of remnants of three major Tethyan oceans, the Palaeotethys, the Pindos-Hu lu Ocean and the Neotethys. The geological setting of the Mersin Mélange is briefly discussed. Exact biostratigraphic investigations are the basis for paleogeographic reconstructions. In the present paper, four new conodont species are described. Biostratigraphically important is above all the Alaunian Epigondolella praeslovakensis Kozur, Masset and Moix n. sp., so far erroneously assigned to “E.” slovakensis. E. praeslovakensis and Metapolygnathus mersinensis Kozur and Moix are important paleobiogeographic markers for a Neotethyan origin. Important Upper Triassic conodont species, such as Epigondolella abneptis, the type species of Epigondolella, have been revised, and Carnepigondolella nodosa, the genus Mockina, Mockina bidentata, and Parvigondolella rhaetica (= Misikella rhaetica Mostler) are discussed. The Sevatian age of true M. slovakensis and of Parvigondolella vrielyncki has been confirmed. One new radiolarian family, one new genus, seven new species and two new subspecies are described. The new radiolarian species Spongotortilispinus moixi Kozur and Mostler n. sp. defines the lower Tuvalian S. moixi radiolarian zone, which is also characterized by a rapid radiation of the Xiphothecidae, numerous new species of genera which originated in Julian or older radiolarian faunas, the beginning of new radiolarian genera, such as Protunuma, which are especially characteristic for parts of the Jurassic, and the absence of Capnodoce, which appears in younger Tuvalian time.
The definition and inventory of the upper units of the Antalya Nappes or ''Calcareous Antalya Nap... more The definition and inventory of the upper units of the Antalya Nappes or ''Calcareous Antalya Nappes'' (CAN) are still a matter of controversies and often conflicting interpretations. In the Gedeller type locality, we logged a new succession that sheds light on the detailed stratigraphy of the Upper Antalya Nappes. The lower part of the series corresponds to the uppermost part of the Kemer Gorge Nappe and is overthrust by the Ordovician Seydis¸ehir Formation of the Tahtalı Dag Nappe. The newly described Gedeller Formation belongs to the Kemer Gorge Nappe and is represented by Campanian (Upper Cretaceous) Scaglia-type pelagic limestones, which yielded radiolarians of the Amphipyndax pseudoconulus Zone. It is demonstrated that the ''Calcareous Antalya Nappes'' are composed of three different nappes, the Kemer Gorge, Bakırlı and the Tahtalı Dag nappes, all of them belonging to the Upper Antalya Nappes system.
An extensive study was made of the hydrogeology of the region around Zouerate in the northwestern... more An extensive study was made of the hydrogeology of the region around Zouerate in the northwestern part of Mauritania. This area consists of two main zones: the Archaean basement in the west and the margin of the Taoudenni sedimentary basin in the east. The geometry of the aquifers in the Taoudenni basin was deduced by a combination of different techniques including: refinement of the geological map using remote sensing, interpretation of aerial magnetometric data and construction of a hydrostratigraphic log. A survey of 624 groundwater points, including GPS levelling, was conducted. It became apparent that a few sebkhas are the main regional discharge zones. To estimate the fluxes, a 2D regional model was constructed and calibrated. It allowed a comparison of different recharge scenarios and may be used to run long-term simulations. A great deal of uncertainty remains in the model results, especially concerning the recharge area distribution.
ABSTRACT Abstract The Nisangahtepe Formation (Teke Dere unit) in the Lycian Nappes, and reworked ... more ABSTRACT Abstract The Nisangahtepe Formation (Teke Dere unit) in the Lycian Nappes, and reworked pebbles and blocks from the Late Triassic Gevne Formation in the Aladag unit (both in Southern Turkey), present a well-developed Kubergandian microfauna and microflora found for the first time in this area. The following cyanobacterial and algal taxa are newly established: Clinortonella nov. gen., Ramovsia lyciana nov. sp., and Kantia? guevenci nov. sp.; some Cancellina and Armenina are revised. These Kubergandian faunas and floras present strong palaeobiogeographical affinities with the Eurasian southern margin (northern Palaeotethyan border). The Teke Dere unit represents an accretionary prism/fore-arc sequence containing different parts of the Palaeotethyan succession. The Late Triassic Gevne Formation marks the Eo-Cimmerian unconformity related to the closure of the Palaeotethys between the Taurus and Anatolian terranes.
The origin and significance of the Lentas unit in southern Crete (Greece) is still subject to con... more The origin and significance of the Lentas unit in southern Crete (Greece) is still subject to controversies. New stratigraphical and palaeontological results allow correlations with the classical Pindos-type series in Greece. In particular, new datings from reworked fossiliferous limestone pebbles within the Lentas unit are presented. These data concern especially the carbonate microfacies and carbonate microfossils from the latest Early Permian (i.e., from the late Kungurian Substage or Misellina Zone). For the first time in Greece, this period is recognized as being rich in foraminifers and calcareous algae. These fossils are described; especially, two dasycladales Likanella (?) cretae nov. sp. and Uragiellopsis bonneauii nov. sp. are established. The presence of these reworked Palaeotethyan sediments at the base of the Lentas unit suggests a derivation from the Palaeotethyan active margin (arc/fore-arc series).
This article is a continuation of the taxonomic study of the exquisitely preserved and extremely ... more This article is a continuation of the taxonomic study of the exquisitely preserved and extremely rich Late Carnian (early Tuvalian, Spongotortilispinus moixi Zone) radiolarian fauna of the sample G 11 from the Sorgun Ophiolitic Mélange occurring in the Tavusçayiri block, Pindos-Huglu series, Tauride ophiolite belt, Turkey. 26 species of Spumellaria with spongy test, belonging to 7 genera, are discussed and illustrated. Among them 14 species and two genera (Staurotortilispinus n. gen and Ancoraspongus n. gen) are introduced as new. The assemblage provides new data on the diversity of the radiolarian fauna of the Tethys during the Late Carnian and contributes to a better understanding of the Mesozoic geodynamic evolution of the Mediterranean region.
The idea of a continuum between the Hellenides and the Taurides is based on correlations between ... more The idea of a continuum between the Hellenides and the Taurides is based on correlations between the platform series of the external parts of the Hellenides-Taurides system, as well as similarities between sedimentary sequences in southwestern Turkey and in the Dodecanese islands (Greece). In this system, the Lycian Nappes, and particularly the Tavas Nappe occupy a key area. The Tavas Nappe forms the lowermost unit in the Lycian pile and is classically divided into the Karada, Teke Dere, Köyce iz and Haticeana units. The lowermost Karada unit consists of a Gondwana-type platform succession ranging from the Late Devonian to the Late Triassic. A large hiatus exists between the Sakmarian and the Middle Triassic (deposition of sandstones, quartzites and limestones). The Carnian is marked by a general deepening of the platform prior to the deposition of a wildflysch-like formation. The discovery of the Cordevolian (early Carnian) Pseudofurnishius murcianus murcianus conodonts fauna on to...
Three new radiolarian genera ( Paramonocapnuchosphaera , Monocoronella and Minicrampus ) and 8 ne... more Three new radiolarian genera ( Paramonocapnuchosphaera , Monocoronella and Minicrampus ) and 8 new species are described herein from one of the most diverse and best preserved Carnian (Late Triassic) radiolarian faunas of the world, from the early Tuvalian sequence of the Sorgun Ophiolitic Melange, southern Turkey. The radiolarian fauna belongs to the Spongotortilispinus moixi Zone (equivalent to Paragondolella postinclinata - Paragondolella noah conodont Zone). The very similar late Julian-early Tuvalian radiolarian faunas from the Northern Calcareous, Alps through the Lagonegro Basin, Sicily, Rhodes Island, Greece and farther east in the Antalya nappes, in the Mersin Melange and in Elbistan, Turkey may confirm that the Pindos-type succession found in different units of early Mesozoic oceanic basins formed in a single oceanic basin.
The objective of this study was to assess Late Triassic (late Carnian-Norian to Rhaetian) foramin... more The objective of this study was to assess Late Triassic (late Carnian-Norian to Rhaetian) foraminiferal faunas relative to carbonate textures in reefal limestones cropping out in SW Cyprus. The fauna is a highly diversified, facies-controlled association comprising 32 species in 27 genera. There are two important relationships between reefal genera and host sediments: Hydrania and Cucurbita are very abundant in bio-floatstone to rudstone, and Ophthalmidiidae (Ophthalmidium, Densophthalmidium and Paraophthalmidium) are very abundant in skeletal-peloidal packstone. In addition, the genera Kaeveria, Bispiranella and Miliolipora have only been recorded in the skeletal-peloidal packstone of Aphrodite's Rock in the Petra tou Romiou area. The microfauna is typical of shallow, high-energy tropical carbonate platforms where reefal structures provide a variety of microenvironments for abundant and diverse foraminifera. In these depositional conditions, very common during the Upper Triass...
ABSTRACT: An extensive study was made of the hydrogeology of the region around Zouerate in the no... more ABSTRACT: An extensive study was made of the hydrogeology of the region around Zouerate in the north-western part of Mauritania. This area consists of two main zones: the Archaean basement in the west and the margin of the Taoudenni sedimentary basin in the east. The geometry of the aquifers in the Taoudenni basin was deduced by a combination of different techniques including: refinement of the geological map using remote sensing, interpretation of aerial magnetometric data and construction of a hydrostratigraphic log. A survey of 624 groundwater points, including GPS levelling, was conducted. It became apparent that a few sebkhas are the main regional discharge zones. To estimate the fluxes, a 2D regional model was constructed and calibrated. It allowed a com-parison of different recharge scenarios and may be used to run long-term simulations. A great deal of uncertainty remains in the model results, especially concerning the recharge area distribution. 1
The Mersin Mélange consists of remnants of three major Tethyan oceans, the Palaeotethys, the Pind... more The Mersin Mélange consists of remnants of three major Tethyan oceans, the Palaeotethys, the Pindos-Hu lu Ocean and the Neotethys. The geological setting of the Mersin Mélange is briefly discussed. Exact biostratigraphic investigations are the basis for paleogeographic reconstructions. In the present paper, four new conodont species are described. Biostratigraphically important is above all the Alaunian Epigondolella praeslovakensis Kozur, Masset and Moix n. sp., so far erroneously assigned to “E.” slovakensis. E. praeslovakensis and Metapolygnathus mersinensis Kozur and Moix are important paleobiogeographic markers for a Neotethyan origin. Important Upper Triassic conodont species, such as Epigondolella abneptis, the type species of Epigondolella, have been revised, and Carnepigondolella nodosa, the genus Mockina, Mockina bidentata, and Parvigondolella rhaetica (= Misikella rhaetica Mostler) are discussed. The Sevatian age of true M. slovakensis and of Parvigondolella vrielyncki ha...
Three new radiolarian genera (Paramonocapnuchosphaera, Monocoronella and Minicrampus) and 8 new s... more Three new radiolarian genera (Paramonocapnuchosphaera, Monocoronella and Minicrampus) and 8 new species are described herein from one of the most diverse and best preserved Carnian (Late Triassic) radiolarian faunas of the world, from the early Tuvalian sequence of the Sorgun Ophiolitic Mélange, southern Turkey. The radiolarian fauna belongs to the Spongotortilispinus moixi Zone (equivalent to Paragondolella postinclinata - Paragondolella noah conodont Zone). The very similar late Julian-early Tuvalian radiolarian faunas from the Northern Calcareous, Alps through the Lagonegro Basin, Sicily, Rhodes Island, Greece and farther east in the Antalya nappes, in the Mersin Mélange and in Elbistan, Turkey may confirm that the Pindos-type succession found in different units of early Mesozoic oceanic basins formed in a single oceanic basin.
Late Permian and principally Triassic detrital units play an important role in deciphering the ge... more Late Permian and principally Triassic detrital units play an important role in deciphering the geodynamic evolutionof the East-Mediterranean area. Some of these units are related to diffuse rifting along the southern margin ofEurasia, whereas others reflect the Cimmerian collision between Gondwana and post-Variscan Eurasia-derivedterranes. Several differences within these Triassic detrital units should be noted: they have a different timingof deposition, they are found in autochthonous, para-autochthonous or allochthonous position, and they havedifferent types of substratum and cover series. In addition, the nature of the recycled material is also decisiveto make the difference between orogen and rift-related sediments. The investigated sandstones, breccias andconglomerates usually range in age from the Anisian (Scythian?) to the Late Triassic (sometimes Liassic) andare especially well-developed during the Carnian-Norian interval. From the Late Permian to the Late Triassic,the Varisc...
The idea of a continuum between the Hellenides and the Taurides is based on correlations between ... more The idea of a continuum between the Hellenides and the Taurides is based on correlations between the platform series of the external parts of the Hellenides-Taurides system, as well as similarities between sedimentary sequences in southwestern Turkey and in the Dodecanese islands (Greece). In this system, the Lycian Nappes, and particularly the Tavas Nappe occupy a key area. The Tavas Nappe forms the lowermost unit in the Lycian pile and is classically divided into the Karada , Teke Dere, Koyce iz and Haticeana units. The lowermost Karada unit consists of a Gondwana-type platform succession ranging from the Late Devonian to the Late Triassic. A large hiatus exists between the Sakmarian and the Middle Triassic (deposition of sandstones, quartzites and limestones). The Carnian is marked by a general deepening of the platform prior to the deposition of a wildflysch-like formation. The discovery of the Cordevolian (early Carnian) Pseudofurnishius murcianus murcianus conodonts fauna on t...
Neues Jahrbuch für Geologie und Paläontologie, Sep 1, 2015
The lower Tuvalian sequence of the Sorgun Ophiolitic Mélange (S Turkey) harbors one of the most d... more The lower Tuvalian sequence of the Sorgun Ophiolitic Mélange (S Turkey) harbors one of the most diverse and best preserved Late Triassic (Carnian) radiolarian faunas of the world. Here we describe a new genus (Spinostylosphaera n. gen.) and 7 new species from the Tavusçayırı block north of Erdemili. The fauna belongs to the Spongotortilispinus moixi radiolarian Zone (Paragondolella postinclinata-Paragondolella noah conodont zone).
Bulletin De La Societe Geologique De France, Jul 1, 2015
The Piolit, Pelat (French Alps) and Baiardo (Italian Maritime Alps) units contain Upper Cretaceou... more The Piolit, Pelat (French Alps) and Baiardo (Italian Maritime Alps) units contain Upper Cretaceous carbonate turbidites formations, with minor siliciclastic components. They are flysch formations, linked with the Pyrenean compressive events through their ages and their “subbriançonnais” structural position. Sedimentological, mineralogical (heavy minerals), and geochemical analysis, point to a potential “Pyrenean signature” which would testify the Late Cretaceous collision between the Ibero-Briançonnais terrane and the European plate. A “Dauphinois” origin and basin inversion erosion is proposed for the zircon-tourmaline-rutile (ZTR) bearing Piolit flysch, deposited from the Coniacian to the Campanian. A Penninic origin with tectonic inversion and erosion of former tilted blocks of the European margin from the Turonian to the Paleocene is proposed for the ZTR bearing Pelat flysch. Comparison with the Niesen (Swiss Prealps) and La Ciotat (Provence) flysch depositional context, allows to better constrain the Pyrenean compressive event in the Alpine domain. The Senonian part of the Baiardo flysch, that contains a garnet-dominated heavy mineral association and distinct geochemical trends, is allotted to the Liguro-Piemontais domain and to the Alpine collision stricto sensu.
The Mersin Mélange consists of remnants of three major Tethyan oceans, the Palaeotethys, the Pind... more The Mersin Mélange consists of remnants of three major Tethyan oceans, the Palaeotethys, the Pindos-Hu lu Ocean and the Neotethys. The geological setting of the Mersin Mélange is briefly discussed. Exact biostratigraphic investigations are the basis for paleogeographic reconstructions. In the present paper, four new conodont species are described. Biostratigraphically important is above all the Alaunian Epigondolella praeslovakensis Kozur, Masset and Moix n. sp., so far erroneously assigned to “E.” slovakensis. E. praeslovakensis and Metapolygnathus mersinensis Kozur and Moix are important paleobiogeographic markers for a Neotethyan origin. Important Upper Triassic conodont species, such as Epigondolella abneptis, the type species of Epigondolella, have been revised, and Carnepigondolella nodosa, the genus Mockina, Mockina bidentata, and Parvigondolella rhaetica (= Misikella rhaetica Mostler) are discussed. The Sevatian age of true M. slovakensis and of Parvigondolella vrielyncki has been confirmed. One new radiolarian family, one new genus, seven new species and two new subspecies are described. The new radiolarian species Spongotortilispinus moixi Kozur and Mostler n. sp. defines the lower Tuvalian S. moixi radiolarian zone, which is also characterized by a rapid radiation of the Xiphothecidae, numerous new species of genera which originated in Julian or older radiolarian faunas, the beginning of new radiolarian genera, such as Protunuma, which are especially characteristic for parts of the Jurassic, and the absence of Capnodoce, which appears in younger Tuvalian time.
The definition and inventory of the upper units of the Antalya Nappes or ''Calcareous Antalya Nap... more The definition and inventory of the upper units of the Antalya Nappes or ''Calcareous Antalya Nappes'' (CAN) are still a matter of controversies and often conflicting interpretations. In the Gedeller type locality, we logged a new succession that sheds light on the detailed stratigraphy of the Upper Antalya Nappes. The lower part of the series corresponds to the uppermost part of the Kemer Gorge Nappe and is overthrust by the Ordovician Seydis¸ehir Formation of the Tahtalı Dag Nappe. The newly described Gedeller Formation belongs to the Kemer Gorge Nappe and is represented by Campanian (Upper Cretaceous) Scaglia-type pelagic limestones, which yielded radiolarians of the Amphipyndax pseudoconulus Zone. It is demonstrated that the ''Calcareous Antalya Nappes'' are composed of three different nappes, the Kemer Gorge, Bakırlı and the Tahtalı Dag nappes, all of them belonging to the Upper Antalya Nappes system.
An extensive study was made of the hydrogeology of the region around Zouerate in the northwestern... more An extensive study was made of the hydrogeology of the region around Zouerate in the northwestern part of Mauritania. This area consists of two main zones: the Archaean basement in the west and the margin of the Taoudenni sedimentary basin in the east. The geometry of the aquifers in the Taoudenni basin was deduced by a combination of different techniques including: refinement of the geological map using remote sensing, interpretation of aerial magnetometric data and construction of a hydrostratigraphic log. A survey of 624 groundwater points, including GPS levelling, was conducted. It became apparent that a few sebkhas are the main regional discharge zones. To estimate the fluxes, a 2D regional model was constructed and calibrated. It allowed a comparison of different recharge scenarios and may be used to run long-term simulations. A great deal of uncertainty remains in the model results, especially concerning the recharge area distribution.
ABSTRACT Abstract The Nisangahtepe Formation (Teke Dere unit) in the Lycian Nappes, and reworked ... more ABSTRACT Abstract The Nisangahtepe Formation (Teke Dere unit) in the Lycian Nappes, and reworked pebbles and blocks from the Late Triassic Gevne Formation in the Aladag unit (both in Southern Turkey), present a well-developed Kubergandian microfauna and microflora found for the first time in this area. The following cyanobacterial and algal taxa are newly established: Clinortonella nov. gen., Ramovsia lyciana nov. sp., and Kantia? guevenci nov. sp.; some Cancellina and Armenina are revised. These Kubergandian faunas and floras present strong palaeobiogeographical affinities with the Eurasian southern margin (northern Palaeotethyan border). The Teke Dere unit represents an accretionary prism/fore-arc sequence containing different parts of the Palaeotethyan succession. The Late Triassic Gevne Formation marks the Eo-Cimmerian unconformity related to the closure of the Palaeotethys between the Taurus and Anatolian terranes.
The origin and significance of the Lentas unit in southern Crete (Greece) is still subject to con... more The origin and significance of the Lentas unit in southern Crete (Greece) is still subject to controversies. New stratigraphical and palaeontological results allow correlations with the classical Pindos-type series in Greece. In particular, new datings from reworked fossiliferous limestone pebbles within the Lentas unit are presented. These data concern especially the carbonate microfacies and carbonate microfossils from the latest Early Permian (i.e., from the late Kungurian Substage or Misellina Zone). For the first time in Greece, this period is recognized as being rich in foraminifers and calcareous algae. These fossils are described; especially, two dasycladales Likanella (?) cretae nov. sp. and Uragiellopsis bonneauii nov. sp. are established. The presence of these reworked Palaeotethyan sediments at the base of the Lentas unit suggests a derivation from the Palaeotethyan active margin (arc/fore-arc series).
This article is a continuation of the taxonomic study of the exquisitely preserved and extremely ... more This article is a continuation of the taxonomic study of the exquisitely preserved and extremely rich Late Carnian (early Tuvalian, Spongotortilispinus moixi Zone) radiolarian fauna of the sample G 11 from the Sorgun Ophiolitic Mélange occurring in the Tavusçayiri block, Pindos-Huglu series, Tauride ophiolite belt, Turkey. 26 species of Spumellaria with spongy test, belonging to 7 genera, are discussed and illustrated. Among them 14 species and two genera (Staurotortilispinus n. gen and Ancoraspongus n. gen) are introduced as new. The assemblage provides new data on the diversity of the radiolarian fauna of the Tethys during the Late Carnian and contributes to a better understanding of the Mesozoic geodynamic evolution of the Mediterranean region.
The idea of a continuum between the Hellenides and the Taurides is based on correlations between ... more The idea of a continuum between the Hellenides and the Taurides is based on correlations between the platform series of the external parts of the Hellenides-Taurides system, as well as similarities between sedimentary sequences in southwestern Turkey and in the Dodecanese islands (Greece). In this system, the Lycian Nappes, and particularly the Tavas Nappe occupy a key area. The Tavas Nappe forms the lowermost unit in the Lycian pile and is classically divided into the Karada, Teke Dere, Köyce iz and Haticeana units. The lowermost Karada unit consists of a Gondwana-type platform succession ranging from the Late Devonian to the Late Triassic. A large hiatus exists between the Sakmarian and the Middle Triassic (deposition of sandstones, quartzites and limestones). The Carnian is marked by a general deepening of the platform prior to the deposition of a wildflysch-like formation. The discovery of the Cordevolian (early Carnian) Pseudofurnishius murcianus murcianus conodonts fauna on to...
Three new radiolarian genera ( Paramonocapnuchosphaera , Monocoronella and Minicrampus ) and 8 ne... more Three new radiolarian genera ( Paramonocapnuchosphaera , Monocoronella and Minicrampus ) and 8 new species are described herein from one of the most diverse and best preserved Carnian (Late Triassic) radiolarian faunas of the world, from the early Tuvalian sequence of the Sorgun Ophiolitic Melange, southern Turkey. The radiolarian fauna belongs to the Spongotortilispinus moixi Zone (equivalent to Paragondolella postinclinata - Paragondolella noah conodont Zone). The very similar late Julian-early Tuvalian radiolarian faunas from the Northern Calcareous, Alps through the Lagonegro Basin, Sicily, Rhodes Island, Greece and farther east in the Antalya nappes, in the Mersin Melange and in Elbistan, Turkey may confirm that the Pindos-type succession found in different units of early Mesozoic oceanic basins formed in a single oceanic basin.
The objective of this study was to assess Late Triassic (late Carnian-Norian to Rhaetian) foramin... more The objective of this study was to assess Late Triassic (late Carnian-Norian to Rhaetian) foraminiferal faunas relative to carbonate textures in reefal limestones cropping out in SW Cyprus. The fauna is a highly diversified, facies-controlled association comprising 32 species in 27 genera. There are two important relationships between reefal genera and host sediments: Hydrania and Cucurbita are very abundant in bio-floatstone to rudstone, and Ophthalmidiidae (Ophthalmidium, Densophthalmidium and Paraophthalmidium) are very abundant in skeletal-peloidal packstone. In addition, the genera Kaeveria, Bispiranella and Miliolipora have only been recorded in the skeletal-peloidal packstone of Aphrodite's Rock in the Petra tou Romiou area. The microfauna is typical of shallow, high-energy tropical carbonate platforms where reefal structures provide a variety of microenvironments for abundant and diverse foraminifera. In these depositional conditions, very common during the Upper Triass...
ABSTRACT: An extensive study was made of the hydrogeology of the region around Zouerate in the no... more ABSTRACT: An extensive study was made of the hydrogeology of the region around Zouerate in the north-western part of Mauritania. This area consists of two main zones: the Archaean basement in the west and the margin of the Taoudenni sedimentary basin in the east. The geometry of the aquifers in the Taoudenni basin was deduced by a combination of different techniques including: refinement of the geological map using remote sensing, interpretation of aerial magnetometric data and construction of a hydrostratigraphic log. A survey of 624 groundwater points, including GPS levelling, was conducted. It became apparent that a few sebkhas are the main regional discharge zones. To estimate the fluxes, a 2D regional model was constructed and calibrated. It allowed a com-parison of different recharge scenarios and may be used to run long-term simulations. A great deal of uncertainty remains in the model results, especially concerning the recharge area distribution. 1
The Mersin Mélange consists of remnants of three major Tethyan oceans, the Palaeotethys, the Pind... more The Mersin Mélange consists of remnants of three major Tethyan oceans, the Palaeotethys, the Pindos-Hu lu Ocean and the Neotethys. The geological setting of the Mersin Mélange is briefly discussed. Exact biostratigraphic investigations are the basis for paleogeographic reconstructions. In the present paper, four new conodont species are described. Biostratigraphically important is above all the Alaunian Epigondolella praeslovakensis Kozur, Masset and Moix n. sp., so far erroneously assigned to “E.” slovakensis. E. praeslovakensis and Metapolygnathus mersinensis Kozur and Moix are important paleobiogeographic markers for a Neotethyan origin. Important Upper Triassic conodont species, such as Epigondolella abneptis, the type species of Epigondolella, have been revised, and Carnepigondolella nodosa, the genus Mockina, Mockina bidentata, and Parvigondolella rhaetica (= Misikella rhaetica Mostler) are discussed. The Sevatian age of true M. slovakensis and of Parvigondolella vrielyncki ha...
Three new radiolarian genera (Paramonocapnuchosphaera, Monocoronella and Minicrampus) and 8 new s... more Three new radiolarian genera (Paramonocapnuchosphaera, Monocoronella and Minicrampus) and 8 new species are described herein from one of the most diverse and best preserved Carnian (Late Triassic) radiolarian faunas of the world, from the early Tuvalian sequence of the Sorgun Ophiolitic Mélange, southern Turkey. The radiolarian fauna belongs to the Spongotortilispinus moixi Zone (equivalent to Paragondolella postinclinata - Paragondolella noah conodont Zone). The very similar late Julian-early Tuvalian radiolarian faunas from the Northern Calcareous, Alps through the Lagonegro Basin, Sicily, Rhodes Island, Greece and farther east in the Antalya nappes, in the Mersin Mélange and in Elbistan, Turkey may confirm that the Pindos-type succession found in different units of early Mesozoic oceanic basins formed in a single oceanic basin.
Late Permian and principally Triassic detrital units play an important role in deciphering the ge... more Late Permian and principally Triassic detrital units play an important role in deciphering the geodynamic evolutionof the East-Mediterranean area. Some of these units are related to diffuse rifting along the southern margin ofEurasia, whereas others reflect the Cimmerian collision between Gondwana and post-Variscan Eurasia-derivedterranes. Several differences within these Triassic detrital units should be noted: they have a different timingof deposition, they are found in autochthonous, para-autochthonous or allochthonous position, and they havedifferent types of substratum and cover series. In addition, the nature of the recycled material is also decisiveto make the difference between orogen and rift-related sediments. The investigated sandstones, breccias andconglomerates usually range in age from the Anisian (Scythian?) to the Late Triassic (sometimes Liassic) andare especially well-developed during the Carnian-Norian interval. From the Late Permian to the Late Triassic,the Varisc...
The idea of a continuum between the Hellenides and the Taurides is based on correlations between ... more The idea of a continuum between the Hellenides and the Taurides is based on correlations between the platform series of the external parts of the Hellenides-Taurides system, as well as similarities between sedimentary sequences in southwestern Turkey and in the Dodecanese islands (Greece). In this system, the Lycian Nappes, and particularly the Tavas Nappe occupy a key area. The Tavas Nappe forms the lowermost unit in the Lycian pile and is classically divided into the Karada , Teke Dere, Koyce iz and Haticeana units. The lowermost Karada unit consists of a Gondwana-type platform succession ranging from the Late Devonian to the Late Triassic. A large hiatus exists between the Sakmarian and the Middle Triassic (deposition of sandstones, quartzites and limestones). The Carnian is marked by a general deepening of the platform prior to the deposition of a wildflysch-like formation. The discovery of the Cordevolian (early Carnian) Pseudofurnishius murcianus murcianus conodonts fauna on t...
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