The Oligocene Argyrotopos profile in the external lonian basin (Epirus, Greece): Microfacies and microfossils

Bellas, Spyridon; Mertmann, Dorothee; Manutsoglu, Emmanuil; Bartholdy, Jan; Frydas, Dimitris

doi:10.1007/bf02537446

Cited by 5 publications

(9 citation statements)

References 21 publications

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“…These theories extended not only in the age correlation of submarine fans, (Leigh, 1991;Bellas et al, 1995;Bellas, 1997), but also in the distribution of the different facies (Avramidis, 1999;Vakalas, 2003) and in the direct relationship between locations of origin and evolution of palaeocurrents. All the above allows the interpretation of a genetic model of the overall sequence of the Pindos foreland submarine fan deposits.…”

Section: Geological Settingmentioning

confidence: 97%

The Auriferous Submarine Fans Sandstones of the Ionian Zone (Epirus, Greece)

et al. 2017

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Section: Geological Settingmentioning

confidence: 97%

The Auriferous Submarine Fans Sandstones of the Ionian Zone (Epirus, Greece)

et al. 2017

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“…The lower one is the thin transitional sequence, not always observable, of the "base flysch" formation (upper Eocene to lower Oligocene in age; Priabonian-Rupelian). The oldest age of this sedimentary sequence is late Upper Eocene (Bellas, 1997;Bellas et al, 1995;IFP, 1966;Robertson & Shallo, 2000;Sotiropoulos et al, 2008;Triantaphyllou, 2013), although it is usually taken as Lower Oligocene (e.g., Fociro et al (2023), Karakitsios (1995Karakitsios ( , 2013, and Zelilidis et al (2015), among many others).…”

Section: Stratigraphy Of the Ionian Zonementioning

confidence: 99%

Contrasting Styles of Salt‐Tectonic Processes in the Ionian Zone (Greece and Albania): Integrating Surface Geology, Subsurface Data, and Experimental Models

Soto,

Tranos,

Bega

et al. 2024

Tectonics

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The Ionian Zone (IZ) is one of the key elements of the fold and thrust belt (FTB) of the Albanian and Hellenides orogen and contains large outcrops of Triassic evaporites. The IZ consists of various thrust sheets with a general westward vergence, stacking over the Apulian and Pre‐Apulian zones, and repeating a thick carbonate sequence of Upper Triassic to Eocene age. Thrusting becomes younger toward the west with a piggyback sequence, starting during the latest Oligocene Epoch in the Internal Ionian and ending in the Pliocene in the External Ionian. We have studied the IZ in southern Albania and northwestern Greece using field observations and borehole data and by fully interpreting a recently acquired 2D seismic data set. Our objectives are to establish the geometry and nature of the contacts associated with the major Triassic outcrops, to unravel precursor salt diapirs, and to assess their role during the Alpine contraction. Salt structures include gentle salt pillows, isolated salt plugs and diapirs, thrust welds, and salt walls. Combining these observations with experimental modeling results, we show how these structures control the geometry and kinematics of the Alpine thrusts or the location and kinematics of recent strike‐slip faults. Salt minibasins have also been identified, demonstrating salt mobility conditioned Mesozoic sedimentation in the Ionian Basin. The use of salt‐tectonics principles to evaluate the structural style and evolution of the IZ FTB also opens new directions for interpreting the subsurface structure and evolution of the region.

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“…Η ανεύρεση για πρώτη φορά των βιοδομών αυτών σε μια ευρεία περιοχή της Ανατολικής Μεσο γείου μας επιτρέπει μια πρώτη προσέγγιση και σύγκριση του παλαιογεωγραφικού χώρου εμφάνι σης και παλαιοπεριβαλλοντικού χώρου εξέλιξης των οργανισμών αυτών στο νοτιοανατολικό χώρο της Τηθύος, με τις αντίστοιχες γνωστές αποικίες των βόρειων περιοχών της Τηθύος. Οι πιλοτικές αυτές συγκρίσεις στηριζόμενες στη εξάπλωση πανομοιότυπων μακροοργανισμών αποτελούν ση μαντικό βοήθημα στην ανάπλαση των εξελικτικών παλαιογεωγραφικών σταδίων για σημαντικά τμή ματα των Ελληνίδων Οροσειρών, αρχικά των μεταμορφωμένων, δίνοντας την ευκαιρία αναζήτησης παρόμοιων απολιθωμάτων στα ευρέως εξαπλωμένα πετρώματα της Ιονίου και Προαπούλιας Ζώ νης, όπου υπάρχουν και σπογγοβελόνες πυριτικής σύστασης (Πιτσίκας et al 1988) αλλά και υπο λείμματα σπόγγων (Bellas et al 1995) ενός στόχου που δεν μπορεί να αποτελέσει αντικείμενο μιας μόνο ερευνητικής ομάδας.…”

Section: σπογγοαποικίες στο χώρο της τηθύοςunclassified

The Mesozoic Extended Sponges - Colonies Within the Metamorphic Plattenkalk Group of the External Hellenides

Manoutsoglou

2018

geosociety

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In the present work the spatiotemporal distribution of relics from extended colonies of sponges that were located and preserved within metamorphic rocks of the Plattenkalk Group of the External Hellenides is presented and discussed. Based on reports regarding extensive occurence of sponges during Upper Jurassic in Europe, published and new data for the occurence of probable Demospongiae in mainly mountainous regions of Southern Péloponnèse and Crete are compiled. This data allow a better palaeoecological approach and a probable partial revision of the evolution of the palaeogeographical deposition area of an important part of the External Hellenides.

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The Oligocene Argyrotopos profile in the external lonian basin (Epirus, Greece): Microfacies and microfossils

Cited by 5 publications

References 21 publications

The Auriferous Submarine Fans Sandstones of the Ionian Zone (Epirus, Greece)

The Auriferous Submarine Fans Sandstones of the Ionian Zone (Epirus, Greece)

Contrasting Styles of Salt‐Tectonic Processes in the Ionian Zone (Greece and Albania): Integrating Surface Geology, Subsurface Data, and Experimental Models

The Mesozoic Extended Sponges - Colonies Within the Metamorphic Plattenkalk Group of the External Hellenides

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