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dc.contributor.authorvan Loon, A.J. (Tom)-
dc.identifier.citationGeologos, 2014, 20, 2, s. 139-146pl_PL
dc.description.abstractA 1-million m3 breccia near Laiyuan (Hebei Province, E China) occurs as a block-like lithological unit between dolo -stones of the 1.55–1.45 Ga (Early Mesoproterozoic) Wumishan Formation. It has previously been interpreted as a seis -mite, but it appears not to fulfil any of the commonly accepted criteria that jointly are considered diagnostic for seis -mites. Its presence in a graben-like structure with almost vertical bounding fault planes rather indicates an origin as a (submarine) valley fill. As the valley originated by tectonic activity in the form of faulting, the breccia can be consid-ered as a secondary effect of seismic activity, but it does not represent a seismite.pl_PL
dc.publisherBogucki Wydawnictwo Naukowepl_PL
dc.subjectValley fillpl_PL
dc.subjectGraben sedimentationpl_PL
dc.subjectWumishan Formationpl_PL
dc.subjectFangshan geoparkpl_PL
dc.subjectHebei Provincepl_PL
dc.titleThe Mesoproterozoic ‘seismite’ at Laiyuan (Hebei Province, E China) re-interpretedpl_PL
Appears in Collections:Geologos, 2014, 20, 2

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