Analysis of spatial, temporal, geological and geochemical patterns of ophiolites in the Indonesian and New Guinea region indicates a strong correlation with marginal basin development and closure. The spatial distribution of ophiolites is mostly linked with marginal basin producing zones of oblique convergence and collision. Strain partitioning in these zones creates a series of ephemeral plate...

New geochronological and geochemical data document a new widely distributed succession of igneous sedimentary rocks within the Sibumasu that extend from SW Yunnan through SE Asia as far Sumatra. Our revealed presence an Ordovician-Silurian (mainly ?490–430 Ma) zone. The early Paleozoic granites in zone display similar elemental Sr–Nd–Pb–Hf isotopic compositions. They were derived common mixed s...

The Carnian Pluvial Episode (CPE) was a global environmental change and biotic crisis that occurred during the (Late Triassic). climate CPE characterized by short-lived period of extreme rainfall, an extinction marine taxa is known to have latest Julian (i.e. early Carnian). Although these events are considered been caused Wrangellia Flood Basalt (FB) volcanism, existing studies found little di...

0031-9201/$ see front matter 2012 Elsevier B.V. A http://dx.doi.org/10.1016/j.pepi.2012.08.005 ⇑ Corresponding author. Address: School of Environm East Anglia, Norwich, Norfolk NR4 7TJ, UK. E-mail addresses: [email protected], Sun Chang). We estimate a 3D P-velocity model for the Tethyan margin by inverting Pand PKP-delay times. The inversion is relative to a 3D reference model, which is...

During the Permian, major icehouse-greenhouse climate shifts and tectonic reconfiguration had important biogeographic implications, especially for climate-sensitive organisms such as fusulinids. Here we present multivariate methods on a global fusulinid species dataset including 1546 from 58 localities in Early (Asselian, Sakmarian, Artinskian Kungurian) Middle (Roadian, Wordian Capitanian) Per...

A Cretaceous paleo-accretionary wedge, the Ashin Complex, now exposed along Zagros suture zone in southern Iran, exhibits mafic, metasedimentary and ultramafic lithologies. Field, geochemical petrological observations point to an anomalous high-temperature event that gave rise formation of peritectic (trondhjemitic) melts associated with restitic garnet-bearing amphibolites. Lu-Hf isotopic dati...