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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Terra nova 6 (1994), S. 0 
    ISSN: 1365-3121
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of seismology 3 (1999), S. 95-104 
    ISSN: 1573-157X
    Keywords: Eastern Tellian Atlas ; seismicity ; neotectonic ; submarine fault ; focal mechanism ; seismic profiles
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract Seismicity in the Eastern Tellian Atlas of Algeria is active of moderate to low magnitude. The direct identification of active fault is often a difficult task. In fact, in this region, despite the intense seismicity, only the Constantine earthquake of 27 October, 1985 ( M s = 5.7) and the Kherrata earthquake of 17 February, 1949 ( M s = 4.7), have generated surface ruptures. Hence, the integration of both geological, historical and instrumental seismic data are important in order to characterise the most important seismogenic structures. This paper presents a preliminary overview of the identified neotectonic faults that we consider active in the Eastern Tellian Atlas of Algeria. Thus, seismicity and neotectonic maps are presented and the faults which are active or potentially active from a neotectonic point of view are shown in relation with the main seismic groupings. This study based mainly on available seismic and bibliographic data and several unpublished marine seismic data enable us to suspect a fault as the eventual source of the Jijeli earthquake of 21 August 1856 that destroyed the Jijeli town and its surroundings. The results inferred from this work represent a starting point for more detailed studies in seismogenic areas.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Studia geophysica et geodaetica 43 (1999), S. 376-389 
    ISSN: 1573-1626
    Keywords: Saharan craton ; Juxtaposed magnetization ; Superimposed magnetizations ; APWP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Notes: Abstract The paleomagnetic study of the Namurian of Reouina (28.9°N, 08.0°W) revealed the existence of two magnetization components, either juxtaposed or superimposed, besides a viscous component. The high blocking temperature component, carried by hematite, has a mean direction defined by D = 126.9° and I = 10.8°. It provides a Namurian paleomagnetic pole located at 28.4°S and 56.9°E (K = 642, A 95=1.7°). The second component is carried at least in part, by grains with blocking temperatures lower than 550°C. Though well defined, it consists of two superimposed components, the high unblocking temperature component with a likely Permian overprint.
    Type of Medium: Electronic Resource
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