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Seismic Imaging of the Moroccan Atlas (SIMA): a wide-angle reflection profile

AuthorsAyarza, P.; Teixell, A.; Carbonell, Ramón
Issue Date17-Jun-2020
CitationAyarza, P., Teixell, A., and Carbonell, R. (2010). Seismic Imaging of the Moroccan Atlas (SIMA): a wide-angle reflection profile. DIGITAL.CSIC, http://dx.doi.org/10.20350/digitalCSIC/12532
AbstractThe crustal structure and topography of the Moho boundary beneath the Atlas Mountains of Morocco has been constrained by a controlled source, wide-angle seismic reflection transect: the SIMA experiment (Seismic Imaging of the Moroccan Atlas). It is a high resolution seismic profile acquired from the Sahara craton across the High and the Middle Atlas and the Rif Mountains.
DescriptionA high-resolution controlled-source wide-angle reflection seismic experiment was carried out in Morocco in spring 2010. The energy released by six explosions was recorded by 939 Reftek 125a stations (Texans) from the IRIS instrument pool. The location of the shots had an average spacing of 70 km between them. The charge (approximately 1 TM) was distributed in 2–4 boreholes per shot point at depths of 30–60 m.
ReferencesOuraini, F., Carbonell, R., Martí, D., Ayarza, P., and Gueraoui, K. (2015). Forward modeling of SIMA seismic line. Contemporary Engineering Sciences, vol. 8, no. 16, 729-736. https://doi.org/10.12988/ces2015.53196
Ayarza, P., R. Carbonell, A. Teixell, I. Palomeras, D. Martí, A. Kchikach, M. Harnafi, A. Levander, J. Gallart, M. L. Arboleya, J. Alcalde, M. Fernandez, M. Charroud, and M. Amrhar (2014), Crustal thickness and velocity structure across the Moroccan Atlas from long offset wide-angle reflection seismic data: The SIMA experiment, Geochem. Geophys. Geosyst., 15, 1698–1717. https://doi.org/10.1002/2013GC005164
Carbonell, R., P. Ayarza, J. Gallart, J. Diaz, M. Harnafi, A. Levander, and A. Teixell (2014), From the Atlas to the Rif a Crustal seismic image across Morocco: The SIMA & RIFSIS control source wide-angle seismic reflection data, paper presented at EGU General Assembly, Eur. Geosci. Union, Vienna, Vol. 16, EGU2014-6303, 2014
Carbonell, R., Gallart, J., Díaz, J., Gil, A., Harnafi, M., Ouraini, F., Ayarza, P., Teixell, A., Arboleya, M. L., Palomeras, I., and Levander, A. (2013). A 700 km long crustal transect across northern Morocco, Geophysical Research Abstracts, vol. 15, EGU2013-8313.
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File Description SizeFormat 
Descripcion_ficheros_SIMA_dataset.xlsxList of the files included in this dataset9,34 kBMicrosoft Excel XMLView/Open
Readme_SIMA.txtDataset general information2,34 kBTextView/Open
Index card_SIMA.pdfIndex card summarizing the main characteristics of the dataset3,44 MBAdobe PDFThumbnail
SIMA-shts.sgyShot gathers of the SIMA experiment586,06 MBSEGYView/Open
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