Reprocessing
and interpretation of seismic reflection data at Messara Basin, Crete, Greece
Antonis
Vafidis1*, Nikolaos Andronikidis1, Nikolaos Economou1,
George Panagopoulos2, Avraam Zelilidis3 and Emanouil
Manoutsoglou2
1Laboratory of Applied Geophysics, Department of Mineral Resources
Engineering, Technical University of Crete, Polytechnioupolis, 73100 Chania,
Greece
2Research Unit of Geology (Tectonics, Stratigraphy,
Environmental Geology), Department of Mineral Resources Engineering, Technical
University of Crete, Polytechnioupolis, 73100 Chania, Greece
3Laboratory of Sedimentology, Department of Geology,
University of Patras, 26504 Patras, Greece
(*vafidis@mred.tuc.gr)
(
Received
05 September
2012; accepted 13 December
2012)
Abstract:
Messara sedimentary basin located at Central Crete,
Greece
is covered by Quaternary and Neogene formations. Seismic reflection data along
a 30 km W-E seismic line acquired by the Hellenic Petroleum Company (HPC) at
Messara basin is reprocessed. The Kirchoff migrated data were subsequently
spectrally balanced using a Ricker wavelet. The reprocessed seismic section
provides an improved image of the shallow structures delineating a number of
continuous reflectors in the upper Neogene formations. The maximum depth to the
top of the preNeogene basement reaches 1000 m along seismic line Z1. Two
structures are also imaged, the former consists of several thrust sheets and the
latter is regarded as a positive flower structure. These reprocessed seismic
data depict for the first time the subsurface structure of an extended area.