OIL AND GAS EXPLORATION OPPORTUNITIES BELOW THE LARGE OVERTHRUSTING TECTONIC STRUCTURES OF ALBANIDES
11th International Multidisciplinary Scientific GeoConference SGEM2011, www.sgem.org, SGEM2011 Conference Proceedings/ ISSN 1314-2704, June 20-25, 2011, Vol. 1, 1245-1252 pp
Oil and gas exploration has been one of the most priorities of albanian geological studies. Many oil and gas sources are discovered in the Ionian tectonic zone and the Periadriatic depression.
For a long time, the oil and gas exploration was developed under the influence of the
geosynclinal theory. Hence, the formation mechanism of the geological structures was
conceived a function of vertical-subvertical movements.
Gradually, during the last twenty years, the concept of large-scale upthrusting and
overthrusting has been accepted. Large-scale thrusting between various units and
structural-facial zones in the geological structures of Albania is presently evident. Based
on field observations, seismic profiles, as well as on the results of deep wells, the
thrusting scale ranges from several kilometers to tens of kilometers.
The Gramozi, Okshtuni and Peshkopia tectonic windows testify for 60 km westwarddirected
thrusting of the Internal Albanides onto the Krasta-Cukali tectonic zone. The
seismic profiles carried out in the Ionian and Kruja tectonic zones, as well as over the
Dumrea evaporite diapir, evidence an almost horizontally over 15 km thrusting of these
units onto each other.
Deep wells drilled into various tectonical structures, such as in Delvina, Kanina,
Shpiragu, Dumrea etc., have verified thrusting of the scale of 3-8 km. The thrust
tectonics concept is important for the geotectonic modeling of the geological structures
of Albania, but it also opens up new oppurtinities for oil and gas exploration in Albania.
Keywords: large-scale thrusting, oil and gas exploration, Albania.
PAPER 2011/s05.104: OIL AND GAS EXPLORATION OPPORTUNITIES BELOW THE LARGE OVERTHRUSTING TECTONIC STRUCTURES OF ALBANIDES
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