Role of arc processes in the formation of continental crust

O Jagoutz, PB Kelemen - Annual Review of Earth and Planetary …, 2015 - annualreviews.org
We review data and recent research on arc composition, focusing on the relatively complete
arc crustal sections in the Jurassic Talkeetna arc (south central Alaska) and the Cretaceous …

A review of the geology and tectonics of the Kohistan island arc, north Pakistan

MG Petterson - Geological Society, London, Special Publications, 2010 - lyellcollection.org
This paper summarizes some 30 years of more intense recent work and almost 100 years of
geological observations in Kohistan. The paper is divided into two section: an earlier factual …

Metamorphic conditions in orogenic belts: a record of secular change

M Brown - International Geology Review, 2007 - Taylor & Francis
In general, Archean rocks exhibit rather ordinary moderate-P-high-T facies series
metamorphism; neither blueschists nor any record of deep continental subduction and return …

High‐pressure granulites: formation, recovery of peak conditions and implications for tectonics

PJ O'Brien, J Rötzler - Journal of Metamorphic Geology, 2003 - Wiley Online Library
High‐pressure granulites are characterised by the key associations garnet‐clinopyroxene‐
plagioclase‐quartz (in basic rocks) and kyanite‐K‐feldspar (metapelites and felsic rocks) …

The formation and bulk composition of modern juvenile continental crust: The Kohistan arc

O Jagoutz, MW Schmidt - Chemical Geology, 2012 - Elsevier
The intraoceanic Kohistan arc, northern Pakistan, exposes a complete crustal section
composed of infracrustal basal cumulates formed at≤ 55km depth, a broadly …

[PDF][PDF] Thermal structure due to solid-state flow in the mantle wedge beneath arcs

PB Kelemen, JL Rilling… - Geophysical …, 2003 - hacker.faculty.geol.ucsb.edu
We summarize petrological and seismic constraints on the temperature of arc lower crust
and shallow mantle, and show that published thermal models are inconsistent with these …

Construction of the granitoid crust of an island arc. Part II: a quantitative petrogenetic model

OE Jagoutz - Contributions to Mineralogy and Petrology, 2010 - Springer
Results of simple model calculations that integrate cumulate compositions from the Kohistan
arc terrain are presented in order to develop a consistent petrogenetic model to explain the …

The roles of flux-and decompression melting and their respective fractionation lines for continental crust formation: Evidence from the Kohistan arc

O Jagoutz, O Müntener, MW Schmidt… - Earth and Planetary …, 2011 - Elsevier
Delamination and foundering of the lower continental crust (LCC) into the mantle is part of
the crust-forming mechanism. However, knowledge of the composition and mineralogy of …

Building of the deep Gangdese arc, south Tibet: Paleocene plutonism and granulite-facies metamorphism

Z Zhang, X Dong, H Xiang, JG Liou… - Journal of …, 2013 - academic.oup.com
The Nyingchi complex, forming the eastern segment of the Gangdese magmatic arc, occurs
within the southern Lhasa terrane in south Tibet, and is composed dominantly of plutons and …

Petrogenesis of mafic garnet granulite in the lower crust of the Kohistan paleo-arc complex (Northern Pakistan): implications for intra-crustal differentiation of island …

CJ Garrido, JL Bodinier, JP Burg, G Zeilinger… - Journal of …, 2006 - academic.oup.com
We report the results of a geochemical study of the Jijal and Sarangar complexes, which
constitute the lower crust of the Mesozoic Kohistan paleo-island arc (Northern Pakistan). The …