Constraining the timing of fault reactivation: Eocene coseismic slip along a Late Ordovician ductile shear zone (northern Victoria Land, Antarctica)

Vincenzo, Gianfranco Di; Rossetti, Federico; Viti, Cecilia; Balsamo, Fabrizio

doi:10.1130/b30670.1

Cited by 17 publications

(9 citation statements)

References 66 publications

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“…34 Ma; Di Vincenzo et al, 2004), and (iii) pseudotachylyte-bearing fault rocks in a Cambrian granite (ages younger than ca. 50 Ma; Di Vincenzo et al, 2013) confirm the post-Eocene age for the activation and propagation of intraplate tectonics in basement units of the NVL .…”

Section: Geological Outlinesupporting

confidence: 57%

“…NW-SE-striking fault systems cut across NVL and run through the northern Ross Sea (Hamilton et al, 2001;Fig. 2a;Salvini et al, 1997), reactivating the Delamerian-Ross orogenic fabric (Di Vincenzo et al, 2013). A dominant Cenozoic dextral strike-slip kinematics, evolving to transtensional in the Ross Sea, has been documented by field data (Capponi et al, 1999;Rossetti et al, 2002Rossetti et al, , 2003Rossetti et al, , 2006Storti et al, 2001Storti et al, , 2006Storti et al, , 2008.…”

Section: Geological Outlinementioning

confidence: 90%

“…Cande et al, 2000;Müller et al, 2007;Davey et al, 2006;Storti et al, 2007;Di Vincenzo et al, 2013;Granot et al, 2013) as well as the sources and geodynamic scenario for the volcanism in Victoria Land, referred either to a mantle plume (e.g. Behrendt et al, 1991;Hart et al, 1997;Kyle et al, 1992;LeMasurier and Rex, 1991;Storey et al, 1999) or lithospheric-scale strike-slip faulting (Rocchi et al, 2002(Rocchi et al, , 2003Salvini and Storti, 1999;Salvini et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

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Miocene-to-Quaternary oblique rifting signature in the Western Ross Sea from fault patterns in the McMurdo Volcanic Group, north Victoria Land, Antarctica

Vignaroli

Balsamo²,

Giordano

et al. 2015

Tectonophysics

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Section: Geological Outlinesupporting

confidence: 57%

Section: Geological Outlinementioning

confidence: 90%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Miocene-to-Quaternary oblique rifting signature in the Western Ross Sea from fault patterns in the McMurdo Volcanic Group, north Victoria Land, Antarctica

Vignaroli

Balsamo²,

Giordano

et al. 2015

Tectonophysics

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“…Exhumed fault zones provide a target for dating deformation and a bridge to geophysical and geochemical observations of deformation processes (e.g., Rowe & Griffith, 2015, and references therein). Radioisotopic methods used to place direct temporal constraints on fault slip include 40 Ar/ 39 Ar and K-Ar dating of neoformed, fault gouge clay (Duvall et al, 2011;Fitz-Diaz & van der Pluijm, 2013;Haines & van der Pluijm, 2008;van der Pluijm et al, 2001;van der Pluijm et al, 2006;Vrolijk & van der Pluijm, 1999;Zwingmann & Mancktelow, 2004), muscovite (Pachell & Evans, 2002), and pseudotachylytes (Cosca et al, 2005;Di Vincenzo et al, 2013;Magloughlin et al, 2001;Reimold et al, 1990;Sherlock et al, 2004;Sherlock et al, 2008;Sherlock et al, 2009); and U-Pb and U-Th dating of carbonate and opal (Nuriel et al, 2011(Nuriel et al, , 2012(Nuriel et al, , 2013(Nuriel et al, , 2017(Nuriel et al, , 2019Pagel et al, 2018;Rittner & Muller, 2011;Roberts & Walker, 2016;Uysal et al, 2007;Verhaert et al, 2003;Watanabe et al, 2008).…”

Section: Fault Zone Processes: Earthquakes Creep and Geofluid Flowmentioning

confidence: 99%

Innovations in (U–Th)/He, Fission Track, and Trapped Charge Thermochronometry with Applications to Earthquakes, Weathering, Surface‐Mantle Connections, and the Growth and Decay of Mountains

2019

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A transformative advance in Earth science is the development of low‐temperature thermochronometry to date Earth surface processes or quantify the thermal evolution of rocks through time. Grand challenges and new directions in low‐temperature thermochronometry involve pushing the boundaries of these techniques to decipher thermal histories operative over seconds to hundreds of millions of years, in recent or deep geologic time and from the perspective of atoms to mountain belts. Here we highlight innovation in bedrock and detrital fission track, (U–Th)/He, and trapped charge thermochronometry, as well as thermal history modeling that enable fresh perspectives on Earth science problems. These developments connect low‐temperature thermochronometry tools with new users across Earth science disciplines to enable transdisciplinary research. Method advances include radiation damage and crystal chemistry influences on fission track and (U–Th)/He systematics, atomistic calculations of He diffusion, measurement protocols and numerical modeling routines in trapped charge systematics, development of 4He/3He and new (U–Th)/He thermochronometers, and multimethod approaches. New applications leverage method developments and include quantifying landscape evolution at variable temporal scales, changes to Earth's surface in deep geologic time and connections to mantle processes, the spectrum of fault processes from paleoearthquakes to slow slip and fluid flow, and paleoclimate and past critical zone evolution. These research avenues have societal implications for modern climate change, groundwater flow paths, mineral resource and petroleum systems science, and earthquake hazards.

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“…This weakened area thereafter repeatedly accommodated episodes of stress change. This occurred at least in the Middle-Late Ordovician (see below) and up to the middle Eocene, with brittle reactivation in response to Cenozoic tectonics linked to the development of the West Antarctic Rift System (Di Vincenzo et al, 2013).…”

Section: Implications For the Evolution Of The Ross-delamerian Orogenymentioning

confidence: 99%

Paleozoic siliciclastic rocks from northern Victoria Land (Antarctica): Provenance, timing of deformation, and implications for the Antarctica-Australia connection

Vincenzo

Grande

Rossetti

2014

Geological Society of America Bulletin

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Paleozoic sequences exposed along the Transantarctic Mountains in Antarctica and in southeastern Australia are segments of a formerly contiguous accretionary orogen that developed along the eastern margin of Gondwana. The margin underwent amalgamation and eastward accretion in the early Cambrian to Early Ordovician Ross-Delamerian orogen and in the Ordovician to Carboniferous Lachlan orogen. Northern Victoria Land plays a key role in many geodynamic reconstructions because it has long been considered the along-strike continuation of Australia in Antarctica; however, the correlation between lithotectonic units in Antarctica (Wilson, Bowers, and Robertson Bay terranes) and those in southeastern Australia (Glenelg, Grampians-Stavely, and Stawell zones), as well as the presence of Lachlan-aged tectono-metamorphic events in northern Victoria Land, are still uncertain. 40Ar-39Ar laser experiments on detrital and syndeformational white micas from low-grade siliciclastic rocks of northern Victoria Land, in conjunction with mineral-textural analysis and whole-rock geochemical and Nd isotope data, are used to constrain provenance and the timing of deformation, and to assess analogies with correlative structural zones in southeastern Australia. Detrital white micas of the western lithotectonic unit (Wilson terrane) yielded an age pattern dominated by late Cryogenian to Ediacaran ages (650–550 Ma), closely matching those of turbidites from the Australian Kanmantoo Group. Detrital white micas from the easternmost lithotectonic units (Bowers terrane and Robertson Bay terrane) yield indistinguishable age patterns, strikingly in agreement with those available for the western subprovince of the Lachlan orogen in Australia, which are dominated instead by younger ages with a dominant Ross orogen fingerprint (550–480 Ma). Deposition of siliciclastic detritus in the three lithotectonic units most likely occurred synchronously in the early–middle Cambrian, and the different signatures suggest that detritus was supplied from different source areas, with sediment supply from the west-southwest (East African orogen or ice-covered regions of East Antarctica) in the Wilson terrane and from the south (Ross orogen) in the Bowers and Robertson Bay terranes. Results also provide evidence for post-Ross orogen (ca. 462 Ma) contractional tectonics at the boundary between the Bowers and the Robertson Bay terranes, suggesting that available Ar data from the literature are variably affected by the presence of detrital micas. This finding establishes a cause-effect relationship between compressional tectonics at the plate margin and Middle–Late Ordovician intraplate reactivation processes in the western Wilson terrane. The accretion of northern Victoria Land was polyphase; it began with the amalgamation of the Bowers and Wilson terranes in the middle–late Cambrian and was followed by the docking of the Robertson Bay and Bowers terranes in the Middle–Late Ordovician. Results further support the link between northern Victoria Land and southeastern Aust...

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Constraining the timing of fault reactivation: Eocene coseismic slip along a Late Ordovician ductile shear zone (northern Victoria Land, Antarctica)

Cited by 17 publications

References 66 publications

Miocene-to-Quaternary oblique rifting signature in the Western Ross Sea from fault patterns in the McMurdo Volcanic Group, north Victoria Land, Antarctica

Miocene-to-Quaternary oblique rifting signature in the Western Ross Sea from fault patterns in the McMurdo Volcanic Group, north Victoria Land, Antarctica

Innovations in (U–Th)/He, Fission Track, and Trapped Charge Thermochronometry with Applications to Earthquakes, Weathering, Surface‐Mantle Connections, and the Growth and Decay of Mountains

Paleozoic siliciclastic rocks from northern Victoria Land (Antarctica): Provenance, timing of deformation, and implications for the Antarctica-Australia connection

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