Vladimir Veseli

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Stratigraphic-structural interpretation of SE Palmyrides (Syria)

Vladimir Veseli Krešimir Krizmanić Damir Takač Bruno Tomljenović Georg Koch

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Lithofacies and Biofacies of the Cretaceous and Paleogene Carbonate Sediments in Kate-1 offshore well (Kornati Area, Croatia, Adriatic Sea)

Vladimir Veseli Josip Tišljar Jasna Tadej Vlasta Premec-Fućek

The Kate-1 exploratory well has penetrated Middle and Lower Eocene (1998-2412 m), Upper Santonian (2412-3234 m), Turonian-Lower Santonian (3312-4370 m), Upper Cenomanian (4370-4440 m), Cenomanian (4740-5110 m), Upper (5110-5640 m) and Lower Albian (5640-5920 m) and finally the Lower Aptian deposits (5920-5968m + xm. During the Early Aptian, patch reef and biostromal limestones were deposited, followed by gradual shallowing and emersion reaching its maximum by the end of the Aptian. The emersion phase lasted throughout the Late Aptian and possibly the lower part of the Albian. During the Albian, sedimentation took place in restricted shoals and/or lagoonal environment, whereas towards the end of the Late Albian little restricted lagoons were formed, with anoxic characteristics, and supratidal environments with early diagenetic dolomites. During the Early and Middle Cennomanian, lagoonal and shallow subtidal sedimentation was renewed, while extensive shoals with high water energy, inhabited destruction of collonial organisms (bioherms), occured by the end of Cenomanian.Those organisms produced large amounts of coquina and coquinite limestone. Due to eustatic and vertical tectonic movements during the Early Turonian, the greater part of the carbonate platform was deepended and environments with characteristics of open and drowned platform were created. Limestones made up of micrites, fine rudist particles and oligosteginids were deposited. During the Late Turonian and Early Santonian, restricted shoals and lagoonal environmsnts were renewed with periodical shallowing up to intertidal. By the middle of the Senonian, general transgression occured whereby sedimentary conditions were created similat to those in the Early Turonian (oligostegina limestones). By the end of the Senonian, due to the renewed intensive shallowing, the sedimentation occured mostly in lagoons and shoals with agile water, and sporadic formation of rudist bioherms. The shallowing reaches its maximum with succesive change of fresh water by the end of the Late Senonian when emersion, paleokarstification and corrosion occured and Microcodium forms were formed. A new transgression took place in the Early Eocene, accompanied by the deposition of shallow-water and deeper subtidal (carbonate platform slope or ramp) limestones succeeded by nummulite-discocyclina-bearing limestones.

Aptian

Cenomanian

Carbonate platform

Shoal

Subaerial

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Biostratigraphy and lithology of the Upper Cretaceous and Paleogene of the Eastern Mediterranean region

Morana Hernitz Kučenjak Vlasta Premec Fuček Gabrijela Pecimotika Vladimir Veseli Ivan Mesić

Paleogene

Lithology

Lithostratigraphy

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Organic facies and palynofacies of Late Jurassic "Lemeš facies" in Croatia

Snježana Blažeković Georg Koch Jeronim Bulić Anđa Alajbeg Jasmin Smajlović

Palynofacies

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Source potential and palynofacies of Late Jurassic “Lemeš facies”, Croatia

Organic Geochemistry (2009)

Snježana Blažeković Smojić Jasmin Smajlović Georg Koch Jeronim Bulić Mladen Trutin

Palynofacies

Outcrop

Organic geochemistry

10.1016/j.orggeochem.2009.05.005

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Organic facies of the Upper Jurassic sediments in the Poštak Mt., Croatia

Tamara Troskot-Čorbić Vladimir Veseli Lilit Cota Goran Bejdić Josipa Velić

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Double-Vergent Thrusting in the External Dinarides of Croatia: Consequences on Deposition, Tectonics and Hydrocarbon System Evolution

Bruno Tomljenović Igor Vlahović Ivo Velić Bojan Matoš Josipa Velić

The External Dinarides form a thin-skinned fold-thrust belt extending in NW-SE direction along the northeastern Adriatic coast. They comprise the regional-scale tectonic units derived from the Adriatic microplate, being composed of more than 7 km-thick succession of predominantly carbonate and subordinate clastic and igneous rocks of Carboniferous to Miocene age. The majority of the carbonates accumulated from the Late Triassic to Late Cretaceous, when the Adriatic Carbonate Platform became gradually affected by generally NE-SW directed compression due to the collision between the Adriatic and European plates. During the Eocene-Oligocene the deposition was restricted into several NW-SE trending basins of both the foredeep and the piggy-back type, controlled by the propagating thrust sheets. They were characterized by mostly carbonate deposition on ramps and deep-marine deposition in distal parts. As a result of continuous geological explorations for more than a century, the present-day structural architecture of the External Dinarides is presumed as being almost exclusively the result of two tectonic phases: the phase of Late Eocene-Oligocene SW-verging and SW-propagating thrusting, overprinted by the younger, presumably Miocene, phase of dextral wrenching. However, according to our recent multidisciplinary investigation focused on Kimmeridgian source rocks of the central part of the External Dinarides in Croatia, the first order NW-SE striking thrust structures characterized by the opposite vergence, i.e. the NE tectonic transport direction are clearly distinguished. As the NE-verging map-scale structures were also reported from the neighboring areas, it may be concluded that the NE-vergent thrusting was the oldest and prevailing tectonic phase in formation of this part of the Dinarides. Hence, it is of the major importance for reconstruction of tectonic and hydrocarbon system evolution and the origin of massive and voluminous carbonate breccia associated with the NE-vergent structures.

Carbonate platform

Tectonic phase

Deposition

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Sedimentary dynamics in the central part of the Adriatic Carbonate Platform from the Late Oxfordian to the Earliest Tithonian (Poštak Mt., Croatia)

Vladimir Veseli Tamara Troskot-Čorbić Ivo Velić Igor Vlahović Bruno Tomljenović

Carbonate platform

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