Palaeoproterozoic crustal accretion and collision in the southern Capricorn Orogen: the Glenburgh Orogeny

Evidence for Early Mesoproterozoic Arc Magmatism in the Musgrave Block, Central Australia: Implications for Proterozoic Crustal Growth and Tectonic Reconstructions of Australia

“…2.0-1.8-Ga Proterozoic orogenic belts in the Northern Hemisphere (e.g., Hoffman 1980Hoffman , 1988Lewry 1981;Condie 1982;Park 1985;Patchett and Arndt 1986;Dickin and McNutt 1990;Snyder et al 1996;Torsvik et al 1996;Patchett and Chase 2002;Steltenpohl et al 2003). Recent geochemical and isotopic studies within Australian terrains such as the Arunta Region and the Capricorn Orogen have recognized, albeit in a somewhat cryptic way, accreted fragments along convergent plate margins (e.g., Zhao 1994;Zhao and McCulloch 1995;Cawood and Tyler 2004;Occhipinti et al 2004). These data sets have been used by a number of workers to propose that the evolution of Proterozoic Australia involved important accretionary and collisional events (e.g., Myers et al 1996;Scott et al 2000;Betts et al 2002;Giles et al , 2004Tyler 2005).…”

“…1; e.g., Foden et al 1988;Zhao 1994;Zhao and McCulloch 1995;McDonald et al 1997;Sheppard et al 1999;Close et al 2004), and the West Australian Craton (WAC), including the Capricorn Orogen ( fig. 1; e.g., Cawood and Tyler 2004;Occhipinti et al 2004). Mafic and felsic magmatic rocks with subduction-related geochemical affinities from these regions have been viewed as a result of Paleoproterozoic arc magmatism (e.g., Foden et al 1988;Zhao 1992;Zhao and McCulloch 1995;Sheppard et al 1999Sheppard et al , 2004Cawood and Tyler 2004;Occhipinti et al 2004).…”

“…1; e.g., Cawood and Tyler 2004;Occhipinti et al 2004). Mafic and felsic magmatic rocks with subduction-related geochemical affinities from these regions have been viewed as a result of Paleoproterozoic arc magmatism (e.g., Foden et al 1988;Zhao 1992;Zhao and McCulloch 1995;Sheppard et al 1999Sheppard et al , 2004Cawood and Tyler 2004;Occhipinti et al 2004). Felsic orthogneiss from basement to the Isan region have also been suggested to have magmatic arc affinities (McDonald et al 1997).…”

The role of radiogenic heat in prolonged intraplate reworking: The Capricorn Orogen explained?

“…The next major pulse of magmatic activity is represented by the granitic gneisses and granites of the 2005-1970 Ma Dalgaringa Supersuite (Cycle 2; Fig. 2), which formed in a continental arc prior to the final collision amalgamating the West Australian Craton Occhipinti et al, 2004). The isotopic compositions of magmatic zircons indicate mixing of mantle-derived material and older continental crust similar to the Halfway Gneiss (Johnson et al, 2010(Johnson et al, , 2011a(Johnson et al, , 2011b.…”

Ancient orogens and modern analogues: an introduction

“…The Capricorn Orogen comprises rocks deformed and metamorphosed during several Palaeoproterozoic orogenic events ranging from 2.0-1.6 Ga (e.g. Occhipinti et al 2004). Together with the Archaean Pilbara and Yilgarn cratonic blocks, the Palaeoproterozoic Capricorn Orogen form the West Australian Craton (Myers 1993).…”