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Constraining timing of brittle deformation and fault gouge formation in the Sydney Basin

التفاصيل البيبلوغرافية
العنوان: Constraining timing of brittle deformation and fault gouge formation in the Sydney Basin
المؤلفون: Horst Zwingmann, Robin Offler, D. J. Och
المصدر: Australian Journal of Earth Sciences. 61:337-350
بيانات النشر: Informa UK Limited, 2014.
سنة النشر: 2014
مصطلحات موضوعية: geography, geography.geographical_feature_category, Geochemistry, K–Ar dating, Authigenic, Slip (materials science), Structural basin, engineering.material, Fault (geology), Brittleness, Fault gouge, Illite, Earth and Planetary Sciences (miscellaneous), engineering, General Earth and Planetary Sciences, Geomorphology, Geology
الوصف: Structural and K–Ar dating studies of gouge in N–S, NNE and E–W-trending faults in four locations in the Sydney–Hunter region are reported. The fault zones are manifest as joint swarms and highly brecciated zones containing gouge with authigenic illite produced as a result of fluid infiltration. Strike-slip movement accompanied by minor dip-slip, normal movement occurred on the NNE faults, with dip slip on N–S and E–W-trending faults. In this study, gouge from a NE-trending, steep, SE-dipping fault showing dip-slip movement at Cut 10, on the Hunter Expressway and from an E–W-trending, steep south-dipping, normal fault at the Westside Open Cut, Lake Macquarie have been analysed. K–Ar dating of illite and illite–smectite in fractions extracted from fault gouges in areas unaffected by a thermal overprint reveals ages varying from 166 to 119 Ma for the
تدمد: 1440-0952
0812-0099
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::2d3e2d273d183a7b99dd2b3c2cc483aa
https://doi.org/10.1080/08120099.2014.906503
رقم الأكسشن: edsair.doi...........2d3e2d273d183a7b99dd2b3c2cc483aa
قاعدة البيانات: OpenAIRE
الوصف
تدمد:14400952
08120099