Using melt inclusions to determine parent-magma compositions of layered intrusions: Application to the Greenhills Complex (New Zealand), a platinum group minerals–bearing, island-arc intrusion

Zircon U–Pb geochronology, geochemistry, and Sr–Nd isotopes of the Ural–Alaskan type Tuerkubantao mafic–ultramafic intrusion in southern Altai orogen, China: Petrogenesis and tectonic implications

“…Though these intrusions are referred to as concentrically zoned mafic-ultramafic complexes (Taylor, 1967), in most examples the zones are not well defined and are often discontinuous and asymmetric. They are restricted to late-Precambrian and Phanerozoic orogenic belts, such as those in the Cordillera of North and South America (Taylor, 1967;Irvine, 1974;Tistl et al, 1994;Pettigrew and Hattori, 2006), Urals and Koryak (Fershtater et al, 1997;Batanova et al, 2005), New South Wales (Johan, 2002), Southland of New Zealand (Spandler et al, 2000(Spandler et al, , 2003, the Eastern Desert of Egypt (Helmy and El Mahallawi, 2003), and along the East African orogenic zone in western Ethiopia (Grenne et al, 2003). They have also been found in China in the last few decades Tseng et al, 2009;Su et al, 2012;Deng et al, 2015).…”