2011
DOI: 10.1007/978-3-540-88558-0_12
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The Record of Ordovician Arc–Arc and Arc–Continent Collisions in the Canadian Appalachians During the Closure of Iapetus

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Cited by 46 publications
(44 citation statements)
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“…Cloetingh et al 1989), although potential exceptions under special conditions have been proposed (Nikolaeva et al 2011). However, as indicated by Beltrando et al (2010) and Reston and Manatschal (2011), the serpentinite shear zones formed during extension represent major zones of weakness, which could have facilitated initiation of subduction following the onset of compression during the Middle Cambrian in the Iapetus Ocean (van Staal and Hatcher 2010) and Taconic seaway (Zagorevski and van Staal 2011). Regardless of whether this is correct, the earliest rifting history along the Laurentian margin likely had a profound impact on the closure of Iapetan seaways and generation of associated arc magmatism in the Laurentian realm.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Cloetingh et al 1989), although potential exceptions under special conditions have been proposed (Nikolaeva et al 2011). However, as indicated by Beltrando et al (2010) and Reston and Manatschal (2011), the serpentinite shear zones formed during extension represent major zones of weakness, which could have facilitated initiation of subduction following the onset of compression during the Middle Cambrian in the Iapetus Ocean (van Staal and Hatcher 2010) and Taconic seaway (Zagorevski and van Staal 2011). Regardless of whether this is correct, the earliest rifting history along the Laurentian margin likely had a profound impact on the closure of Iapetan seaways and generation of associated arc magmatism in the Laurentian realm.…”
Section: Resultsmentioning
confidence: 99%
“…The latter subsequently became the forearc terrane to the 489-477 Ma Notre Dame arc, as indicated by ample continental arc fragments in the basal part of the Flat Water Pond/Snooks Arm Group (Bédard et al 2000;Skulski et al 2010). Earlier west-directed subduction within the Taconic seaway may have started during the Middle Cambrian, culminating in obduction of the Lushes Bight oceanic tract onto Dashwoods and subduction polarity reversal (see Zagorevski and van Staal 2011), but is not shown here for the sake of simplicity. Partial subduction of the Rattling Brook allochthon at ca.…”
Section: Formation Of Microcontinentsmentioning
confidence: 99%
“…To the west of the Red Indian Line, elements of the Early to Middle Ordovician AAT arcbackarc complex were in part built on Laurentian basement Zagorevski et al 2006; see Early to Middle Ordovician tectonic evolution of the Humber margin and outboard peri-Laurentian terranes (from Zagorevski and van Staal 2011). A.…”
Section: Geological Setting Of the Dunnage Zonementioning
confidence: 99%
“…Dunning and Krogh 1985;Zagorevski and van Staal 2011), indicating that it is a composite terrane. On the basis of age, structure, and tectonic setting, van Staal et al (1998) grouped the easternmost units of the Notre Dame subzone, including the Annieopsquotch ophiolite belt (Dunning 1987;Dunning et al 1987), into the Annieopsquotch accretionary tract (AAT), a southeast facing accretionary complex composed of slivers of arc and backarc rocks ( Fig.…”
Section: Introductionmentioning
confidence: 99%
“…Because first order latitudinal differences in the evolution of the orogen have been recognized (Sinha et al 1996;Sinha and McLelland 1999;Loewy et al 2003;Tohver et al 2004;Hibbard et al 2007Hibbard et al , 2010Fisher et al 2010;McLelland et al 2010;Hibbard and Karabinos 2014), identifying the timing and style of the main Iapetan suture zone in the southern Appalachians is important to further our understanding of the Iapetan cycle along the entire length of the orogen, rather than only in the Canadian Appalachians (e.g. Williams et al 1988;Zagorevski et al 2006Zagorevski et al , 2007aZagorevski and van Staal 2011).…”
Section: Introductionmentioning
confidence: 99%