The Pyrenean orogen is the product of the N–S collision between Eurasia and Iberia and has involved at least 100 km of crustal shortening. Between the Aquitaine Basin in the north and the Ebro Basin in the south, the mountain belt varies in width from 75 to 150 km and is divided into a succession of...
Itinerary 9 explores the southern fold-and-thrust ranges of the eastern Pyrenees. Focus is on nappe structures (Pedraforca and Cadí units) and on the synorogenic Paleogene conglomerate sequences that were produced during the emplacement and tectonic deformation of those nappes. Itinerary 9 is also t...
Itinerary 6 follows the Têt River valley and opens a window onto the Paleozoic geological structure of the Axial Zone (lithostratigraphy, Hercynian tectonics). Paleogene tectonics, in contrast, has left limited direct evidence of the Alpine orogeny in this part of the Axial Zone, suggesting that the...
This chapter focuses on the Neogene evolution of the Pyrenean mountain range. Based on methods of denudation chronology and landform analysis, the transition from the ancestral (Paleogene) to the modern Pyrenees is analysed. During the ~25 Ma following the definitive relaxation of tectonic convergen...
Itinerary 5 offers a discovery of Alpine geological structures in the North-Pyrenean Zone and clues to the area’s geomorphological evolution during the Neogene and Quaternary. It crosses the Internal Metamorphic Zone (IMZ), the folded and faulted Mesozoic cover sequence, northern outposts of Paleozo...
The Paleogene records the most prominent global climate change of the Cenozoic Era with a shift from a greenhouse to an icehouse world. Several transient hyperthermal events punctuated this long-term evolution. The most pronounced and the best known of these is the Paleocene-Eocene Thermal Maximum (...
All extant birds are toothless, and recent molecular evidence suggests that edentulism in extant birds is the product of a single evolutionary transition to toothlessness on the line to crown birds in the Cretaceous. However, a fossil crown bird premaxilla from the Palaeogene of North America (assig...
The present work studies the tuffs associated with the volcanic area of the Paleogene Sheinovets caldera, located on the southeastern part of the Rhodope massif, in Bulgaria. Its purpose is to describe the mineralogical and geochemical composition of the zeolitized volcaniclastic deposits in the bro...
La lamproïte est une roche alcaline ultrapotassique rare d'importance pétrologique car elle est considérée comme dérivée du manteau lithosphérique métasomatisé, et d'importance économique, étant l'hôte de gisements de diamants majeurs. Un examen de la nomenclature des lamproïtes conduit à la recomma...
A different basin evolution is suggested between the northern and southern parts of the Pindos basin, based on biostratigraphic dating results. Characteristic nannofossils showed that flysch sedimentation in the whole basin started in the Paleocene and generally finished during the Eocene, with the...
Aegean extension is a process driven by slab rollback that, since 45 Ma, shows a twostage evolution. From Middle Eocene to Middle Miocene it is accommodated by localized deformation leading to i) the exhumation of high-pressure metamorphic rocks from mantle to crustal depths, ii) the exhumation of h...
Τριτογενή πλουτωνικά και ηφαιστειακά πετρώματα που απαντώνται στη Μάζα της Ροδόπης (Β. Ελλάδα) μελετώνται χρησιμοποιώντας υπάρχοντα και νέα γεωχημικά και ισοτοπικά δεδομένα. Τα περισσότερα από τα πετρώματα αυτά ανήκουν στο μετά τη σύγκρουση μαγματισμό ο οποίος συνδέεται με την παρατεταμένη εφελκυστι...
This study analyses the stratigraphy, structure and kinematics of the northern part of the Adula nappe of the Central Alps. The Adula nappe is one of the highest basement nappes in the Lower Penninic nappe stack of the Lepontine Dome. This structural position makes possible the investigation of the...
Με βάση τη λιθοστρωματογραφία, την τεκτονική ανάλυση και τη γεωλογική χαρτο- γράφηση συγκρίθηκαν μεταξύ τους, οι μολασσικές λεκάνες της Θράκης (ThB) στη ΒΑ Ελλάδα (συμπεριλαμβάνονται οι Παλαιογενείς αποθέσεις της λεκάνης Αξιού) και της Μεσοελληνικής Αύλακας. Αμφότερες οι λεκάνες χαρακτηρίζονται από...
The feeding apparatus of Paleogene birds is rarely well-preserved. Here, we describe the earliest known pelican (early Oligocene, Luberon, southeastern France), with its almost complete beak. Morphologically identical to modern pelicans, the new fossil already shows several advanced features unique...
The Turkish part of the Tethyan realm is represented by a series of terranes juxtaposed through Alpine convergent movements and separated by complex suture zones. Different terranes can be defined and characterized by their dominant geological background. The Pontides domain represents a segment of...
Detailed field mapping and paleontological dating in the central and southeastern Nicoya Peninsula has revealed Late Cretaceous and Paleogene radiolarian-bearing siliceous mudstones. These rocks belong to two terranes (Matambfi and Manzanillo) that are partially contemporaneous with the Nicoya Compl...
Η περιοχή Σάνης - Αφύτου της Χερσονήσου Κασσάνδρας (Χα).κιδική) απετέλεσε περιοχή συστηματικής γεωθερμικής έρευνας. Από την αξιολόγηση των δεδομένων βαθιών γεωτρήσεων έρευνας υδρογονανθράκων διαπιστώθηκε το σημαντικό πάχος (μέχρι περίπου 3600 m) των Παλαιογενών, Νεογενών και Τεταρτογενών ιζημάτων πο...
A fossil humerus from the hominid fossiliferous area of Toros Menalla (ca 7 Ma, Chad, Africa) belongs to the Heliornithidae (Aves, Gruiformes). It is the second documented fossil record for the family, and the first in the Old World. It is compared with all the living species: the Sungrebe (Heliorni...
Το έργο της εκτροπής του ποταμού Αχελώου, περιλαμβάνει την κατασκευή διαδοχικών ταμιευτήρων (Μεσοχώρας και Συκιάς) καθώς και την διάνοιξη σήραγγας εκτροπής ωφέλιμης διαμέτρου 6μ & μήκους 17.400μ, για την διοχέτευση του νερού προς τον Θεσαλλικό κάμπο. Η περιοχή ανάπτυξης των έργων ανήκει γεωμορφολογι...
Razin Philippe, Roger Jean, Bourdillon Chantal, Serra-Kiel Josep, Philip Jean, Al-Suleimani Z. Paleogene carbonate systems at the Arabian platform margin (Oman). In: Géologie Méditerranéenne. Tome 28, numéro 1-2, 2001. Anatomy of Carbonate Bodies / Anatomie des corps carbonates. International Meetin...