阿尔及利亚新第三纪Tafna盆地地震构造研究(英文)
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摘要
通过对阿尔及利亚东北部Tafna盆地区域地质资料、地震活动规律、震源分布和震源机制分析,详细研究了该盆地的地震构造模式。由地震震源机制分析可知Tafna盆主要受到NE-SE的挤压,显示该盆地应力场主要受到欧亚板块和非洲板块的碰撞影响。这一研究结果与目前Tafna盆地区域构造格架具有很好的一致性。
The study of seismotectonics of the Tafna Neogene basin is represented as deduced from main geological features,seismicity and focal mechanism data.The hypocentral distribution of shallow earthquake is analyzed.The direction of the stress distribution is inferred from the focal mechanism of selected event.A seismotectonic framework summarizing these results together with the main geological features shows that the regional stress regime corresponds to horizontal compression in a NW-SE direction,associated with the collision between Eurasia and Africa plates.
The study of seismotectonics of the Tafna Neogene basin is represented as deduced from main geological features,seismicity and focal mechanism data.The hypocentral distribution of shallow earthquake is analyzed.The direction of the stress distribution is inferred from the focal mechanism of selected event.A seismotectonic framework summarizing these results together with the main geological features shows that the regional stress regime corresponds to horizontal compression in a NW-SE direction,associated with the collision between Eurasia and Africa plates.
引文
[1]Ayadi,A.Contribution under investigation of theseismic hazard in Algeria,master Thesis in Geo-physical option Seismology.Houari Boumediene U-niversity of Sciences and Technology,Alger,1996,160.
[2]Ayadi,A.Ousadou-Ayadi F,Bourouis,S,Benhal-lou H,Seismotectonics and seismic quietness of theOranie region(Western Algeria):The Mascaraearthquake of August 18th 1994,Mw=5.7,Ms=6.0[J].Journal of Seismology1994(6):13~23.
[3]Benouar,D.The seismicity of Algeria and adjacentregions[J],Annali di geofisica1994,37:459~862.
[4]Bezzeghoud M,Ayadi A,Seba A,Ait Messaoud M,Mokrane A and Benhalou H.Seismicity of Algeriabetween 1365 and 1989:Map of Maximum ObservedIntensities(MOI),Avances en Geofisica y GeodesiaI,1996,107~114,IGN,Madrid.
[5]Bezzeghoud M,Buforn E.(1999)Source parametersof the 1992 Melilla(Spain,Mw1/44.8),1994 Alho-ceima(Morocco,Mw1/45.8)and 1994(Algeria,Mw1/45.7)Earthquakes and Seismotectonic Implica-tions,Bull.Seismol.Soc.Am.89,2,359 372.
[6]Dalloni M.Late Miocene in the Western Algeria:Hipparion red layers of Tafna..C.R.Ac.Sc.,Paris,t.16,1915,639~641.
[7]Delfaud j,Michaux j,Neurdin j,ET Revert J.A paleogeographic model of the Mediterranean edge:evolution of the Oran region.(Algeria)in Late Mio-cene.Stratigraphic consequence.Bull.Soc.Hist.nat.Afr.Nord.Alger,t.64,Fasc.1 et 2,p1973.219~241.
[8]Gentil L.1903,Geological study of the Tafna basin(Algeria).Bull.serv.Geological map.Algeria,Al-gies,2es.,n°4,88 fig.,425 p.,4 pl.
[9]Guardia P.1975,Geodynamics of the alpine margin ofthe African continent according to the north-West-ern study of Oranie.Structural and paleogeographicrelations between external Rif,Such and the tectonicforeland atlasic.Ph.D.Thesis,NiceUniversity,France,286 pp.
[10]Megartsi M.1985,The Mio-Plio-Quaternary vol-canism of the Northwest Oran region:Geology,Pe-trology,Geodynamic.Doctorat thesis,USTHB,Algies,296p.
[11]Meghraoui M.1988,Geology of the seismic zones ofthe North of Algeria.Paleosismology,Active Tec-tonics and Synthesis sismotectonic,Doctorat,Paris-Sud Orsay University,356 pp.
[12]PERRODON A.1957,Geological investigation ofthe sublittoraux Neocene basins of Western Algeria.Algerian geological map service,Algies.328 p.,96fig.,8 photos,4 pl.h-t.
[13]Sadran G.1958,Tertiary and quaternary volcanicformations of the Tell Oran.Algerian geological mapservice,Algies.19.535 p.,61 fig.,61 pl.photo.
[14]Thomas G.1976,Description of East-West Strik-slip faults right motion of Quaternary age in WesternNorthern Algeria,C.R.Acad.Sc.Paris,t.283,893~896.
[15]Thomas G.1985,Geodynamics of an intra-moun-tain basin,the basin of low Western Cheliff(Alge-ria)during the Mio-Plio-Quaternary,Thesis,PauUniv.,594 pp.
[16]Yelles-Chaouche A K,Djellit H,Derder M,Abtout A,Beldjoudi H.2000,The Ain TemouchentEarthquake of December 22 th,1999:.PreliminaryInvestigations.XXVII General Assembly of the Eu-ropean.Seismological Commission ESC.Lisbon,September.
[17]Yelles-Chaouche A K,Djellit H,Beldjoudi H,Bez-zeghoud M,Buforn E.2004,The Ain Temouchent(Algeria)Earthquake of December.22nd,1999,Pure and Applied Geophysics.,vol.161,607~621.
[2]Ayadi,A.Ousadou-Ayadi F,Bourouis,S,Benhal-lou H,Seismotectonics and seismic quietness of theOranie region(Western Algeria):The Mascaraearthquake of August 18th 1994,Mw=5.7,Ms=6.0[J].Journal of Seismology1994(6):13~23.
[3]Benouar,D.The seismicity of Algeria and adjacentregions[J],Annali di geofisica1994,37:459~862.
[4]Bezzeghoud M,Ayadi A,Seba A,Ait Messaoud M,Mokrane A and Benhalou H.Seismicity of Algeriabetween 1365 and 1989:Map of Maximum ObservedIntensities(MOI),Avances en Geofisica y GeodesiaI,1996,107~114,IGN,Madrid.
[5]Bezzeghoud M,Buforn E.(1999)Source parametersof the 1992 Melilla(Spain,Mw1/44.8),1994 Alho-ceima(Morocco,Mw1/45.8)and 1994(Algeria,Mw1/45.7)Earthquakes and Seismotectonic Implica-tions,Bull.Seismol.Soc.Am.89,2,359 372.
[6]Dalloni M.Late Miocene in the Western Algeria:Hipparion red layers of Tafna..C.R.Ac.Sc.,Paris,t.16,1915,639~641.
[7]Delfaud j,Michaux j,Neurdin j,ET Revert J.A paleogeographic model of the Mediterranean edge:evolution of the Oran region.(Algeria)in Late Mio-cene.Stratigraphic consequence.Bull.Soc.Hist.nat.Afr.Nord.Alger,t.64,Fasc.1 et 2,p1973.219~241.
[8]Gentil L.1903,Geological study of the Tafna basin(Algeria).Bull.serv.Geological map.Algeria,Al-gies,2es.,n°4,88 fig.,425 p.,4 pl.
[9]Guardia P.1975,Geodynamics of the alpine margin ofthe African continent according to the north-West-ern study of Oranie.Structural and paleogeographicrelations between external Rif,Such and the tectonicforeland atlasic.Ph.D.Thesis,NiceUniversity,France,286 pp.
[10]Megartsi M.1985,The Mio-Plio-Quaternary vol-canism of the Northwest Oran region:Geology,Pe-trology,Geodynamic.Doctorat thesis,USTHB,Algies,296p.
[11]Meghraoui M.1988,Geology of the seismic zones ofthe North of Algeria.Paleosismology,Active Tec-tonics and Synthesis sismotectonic,Doctorat,Paris-Sud Orsay University,356 pp.
[12]PERRODON A.1957,Geological investigation ofthe sublittoraux Neocene basins of Western Algeria.Algerian geological map service,Algies.328 p.,96fig.,8 photos,4 pl.h-t.
[13]Sadran G.1958,Tertiary and quaternary volcanicformations of the Tell Oran.Algerian geological mapservice,Algies.19.535 p.,61 fig.,61 pl.photo.
[14]Thomas G.1976,Description of East-West Strik-slip faults right motion of Quaternary age in WesternNorthern Algeria,C.R.Acad.Sc.Paris,t.283,893~896.
[15]Thomas G.1985,Geodynamics of an intra-moun-tain basin,the basin of low Western Cheliff(Alge-ria)during the Mio-Plio-Quaternary,Thesis,PauUniv.,594 pp.
[16]Yelles-Chaouche A K,Djellit H,Derder M,Abtout A,Beldjoudi H.2000,The Ain TemouchentEarthquake of December 22 th,1999:.PreliminaryInvestigations.XXVII General Assembly of the Eu-ropean.Seismological Commission ESC.Lisbon,September.
[17]Yelles-Chaouche A K,Djellit H,Beldjoudi H,Bez-zeghoud M,Buforn E.2004,The Ain Temouchent(Algeria)Earthquake of December.22nd,1999,Pure and Applied Geophysics.,vol.161,607~621.
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