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Island Arc - Virtual Special Issue (VSI)

Welcome to the Virtual Special Issue (VSI) library from Blackwell Publishing and Island Arc. Each of the VSIs listed below focuses on a topic that is central to the scope of Island Arc and consists of articles that have been published recently in the journal. These issues are intended as an alternate route for accessing the content of Island Arc, and the table of contents for each issue is linked to online content through Blackwell Synergy.

Akira Ishiwatari and Simon R. Wallis,
Editors-in-Chief

Evolution of Ophiolites in Convergent and Divergent Plate Boundaries

Introduction: Ophiolites are on-land fragments of ancient oceanic lithosphere, and are fundamental to understand the geological, geochemical and geophysical processes operating during the evolution of oceanic lithosphere and hence the Earth through time. Systematic studies of ophiolites and the tectonic environment of their origin require an interdisciplinary approach through international collaboration, as exemplified in the articles collected in this Virtual Special Issue. This issue focuses on the diversity of ophiolites and their origin in various tectonic settings along different plate boundaries.

Yildirim Dilek, Yujiro Ogawa, Valerio Bortolotti and (the late) Piera Spadea
Guest Editors
Online Publication Date: 23 October 2006

Part 1:

01.	Preface Dilek, Ogawa, Bortolotti & (the late) Spadea (Island Arc 14-4, 2005) Free Content
02.	Tethyan ophiolites and Pangea break-up Bortolotti & Principi (Island Arc 14-4, 2005)
03.	Magma generation and crustal accretion as evidenced by supra-subduction ophiolites of the AlbanideHellenide Subpelagonian zone Beccaluva, Coltorti, Saccani & Siena (Island Arc 14-4, 2005)
04.	Mesozoic to Tertiary tectonic history of the Mirdita ophiolites, northern Albania Bortolotti, Marroni, Pandolfi & Principi (Island Arc 14-4, 2005)
05.	Petrogenesis and tectonomagmatic significance of volcanic and subvolcanic rocks in the AlbanideHellenide ophiolitic mélanges Saccani & Photiades (Island Arc 14-4, 2005)
06.	Origin of layering in cumulate gabbros in the Oman ophiolite: Insights from magnetic susceptibility measurements in the Wadi Sadm area Kawamura, Hosono, Mohamed Allawati, Ogawa & Taniguchi (Island Arc 14-4, 2005)
07.	Chromite in the mantle section of the Oman ophiolite: A new genetic model Rollinson (Island Arc 14-4, 2005)
08.	Hydrothermal alteration and tectonic evolution of an intermediate- to fast-spreading back-arc oceanic crust: Late Ordovician Solund-Stavfjord ophiolite, western Norway Fonneland-Jorgensen, Furnes, Muehlenbachs & Dilek (Island Arc 14-4, 2005)
09.	Tectonic accretion of a subducted intraoceanic remnant arc in Cretaceous Hokkaido, Japan, and implications for evolution of the Pacific northwest Ueda & Miyashita (Island Arc 14-4, 2005)
10.	Transpressional tectonics of the Mineoka Ophiolite Belt in a trenchtrenchtrench-type triple junction, Boso Peninsula, Japan Mori & Ogawa (Island Arc 14-4, 2005)
11.	Hahajima Seamount: An enigmatic tectonic block at the junction between the IzuBonin and Mariana Trenches Fujioka, Tokunaga, Yokose, Kasahara, Sato, Miura & Ishii (Island Arc 14-4, 2005)
12.	Tectonic rotations during the Chile Ridge collision and obduction of the Taitao ophiolite (southern Chile) Veloso, Anma & Yamazaki (Island Arc 14-4, 2005)

Caution: The order of papers in Part 1 is different from that actually printed in 14-4, which does not follow the order as appearing in the Preface. The order listed above correctly follows the description in the Preface.

Part 2:

13.	Thematic Section: Evolution of ophiolites in convergent and divergent plate boundaries (Part 2) Dilek, Ogawa, Bortolotti & (the late) Spadea (Island Arc 15-1, 2006) (Preface for Part 2) Free Content
14.	Initiation and evolution of intra-oceanic subduction in the Uralides: Geochemical and isotopic constraints from Devonian oceanic rocks of the Southern Urals, Russia (the late) Spadea & D'Antonio (Island Arc 15-1, 2006)
15.	Geodynamic significance of ophiolites within the Calabrian Arc Liberi, Morten & Piluso (Island Arc 15-1, 2006)
16.	Age and petrogenesis of plagiogranite intrusions in the Ankara mélange, central Turkey Dilek & Thy (Island Arc 15-1, 2006)
17.	Oceanic plateau accretion inferred from Late Paleozoic greenstones in the Jurassic Tamba accretionary complex, southwest Japan Koizumi & Ishiwatari (Island Arc 15-1, 2006)
18.	Podiform chromitites in the lherzolite-dominant mantle section of the Isabela ophiolite, the Philippines Morishita, Andal, Arai & Ishida (Island Arc 15-1, 2006)
19.	Dredge petrology of the boninite- and adakite-bearing Hahajima Seamount of the Ogasawara (Bonin) forearc: An ophiolite or a serpentinite seamount? Ishiwatari, Yanagida, Li, Ishii, Haraguchi, Koizumi, Ichiyama & Umeka (Island Arc 15-1, 2006)
20.	Mantle process beneath Philippine Sea back-arc spreading ridges: A synthesis of peridotite petrology and tectonics Ohara (Island Arc 15-1, 2006)
21.	Zircon sensitive high mass-resolution ion microprobe UPb and fission-track ages for gabbros and sheeted dykes of the Taitao ophiolite, Southern Chile, and their tectonic implications Anma, Armstrong, Danhara, Orihashi & Iwano (Island Arc 15-1, 2006)
22.	Tectonic control of bioalteration in modern and ancient oceanic crust as evidenced by carbon isotopes Furnes, Dilek, Muehlenbachs & Banerjee (Island Arc 15-1, 2006)
23.	Serpentinite textural evolution related to tectonically controlled solid-state intrusion along the Kurosegawa Belt, northwestern Kanto Mountains, central Japan Hirauchi (Island Arc 15-1, 2006)

* This arrangement order in Part 2 is the same as in the printed version.

Part 3:
Other ophiolite-related papers recently published in Island Arc (A. Ishiwatari and Y. Dilek: responsible for selection)

24.	Origin of fine-grained peridotite xenoliths from Iraya volcano of Batan Island, Philippines: deserpentinization or metasomatism at the wedge mantle beneath an incipient arc? Arai & Kida (Island Arc 9-4, 2000)
25.	Forearc deformation and tectonic significance of the ultramafic Molucca central ridge, Talaud islands (Indonesia) Bader & Pubellier (Island Arc 9-4, 2000)
26.	Contrasting morphological trends of islands in Central Philippines: Speculation on their origin Barretto, Dimalanta & Yumul Jr (Island Arc 9-4, 2000)
27.	Behavior of Niobium, Tantalum and other high field strength elements in adakites and related lavas from The Philippines Sajona, Maury, Prouteau, Cotten, Schiano, Bellon & Fontaine (Island Arc 9-4, 2000)
28.	Adakitic lavas in the Central Luzon back-arc region, Philippines: lower crust partial melting products? Yumul Jr, Dimalanta, Bellon, Faustino, De Jesus, Tamayo Jr & Jumawan (Island Arc 9-4, 2000)
29.	Comparative study of platinum-group elements in the Coto and Acoje blocks of the Zambales Ophiolite Complex, Philippines Zhou, Yumul Jr, Malpas & Sun (Island Arc 9-4, 2000)
30.	Debris flow and slide deposits at the top of the Internal Liguride ophiolitic sequence, Northern Apennines, Italy: A record of frontal tectonic erosion in a fossil accretionary wedge Marroni & Pandolfi (Island Arc 10-1, 2001)
31.	Collision tectonics in the New Hebrides arc (Vanuatu) Meffre & Crawford (Island Arc 10-1, 2001)
32.	Structural position of the Seba eclogite unit in the Sambagawa Belt: Supporting evidence for an eclogite nappe Aoya (Island Arc 11-2, 2002)
33.	Petrology of the greenstones of the Lower Sorachi Group in the SorachiYezo Belt, central Hokkaido, Japan, with special reference to discrimination between oceanic plateau basalts and mid-oceanic ridge basalts Nagahashi & Miyashita (Island Arc 11-2, 2002)
34.	Collision, subduction and accretion events in the Philippines: A synthesis Yumul Jr, Dimalanta, Tamayo Jr & Maury (Island Arc 12-2, 2003) FREE CONTENT
35.	Petrological feature of spinel lherzolite xenolith from Oki-Dogo Island: An implication for variety of the upper mantle peridotite beneath southwestern Japan Abe, Takami & Arai (Island Arc 12-2, 2003)
36.	Metasomatized harzburgite xenoliths from Avacha volcano as fragments of mantle wedge of the Kamchatka arc: Implication for the metasomatic agent Arai, Ishimaru & Okrugin (Island Arc 12-2, 2003)
37.	Paleozoic ophiolites and blueschists in Japan and Russian Primorye in the tectonic framework of East Asia: A synthesis Ishiwatari & Tsujimori (Island Arc 12-2, 2003) FREE CONTENT
38.	Missing ophiolitic rocks along the Mae Yuam Fault as the GondwanaTethys divide in north-west Thailand Hisada, Sugiyama, Ueno, Charusiri & Arai (Island Arc 13-1, 2004)
39.	Petrochemical evidence for off-ridge magmatism in a back-arc setting from the Yakuno ophiolite, Japan Ichiyama & Ishiwatari (Island Arc 13-1, 2004)
40.	Evidence for high-Ca boninite magmatism from Paleogene primitive low-K tholeiite, Mukoojima, Hahajima Island group, southern Bonin (Ogasawara) forearc, Japan Maehara & Maeda (Island Arc 13-3, 2004)
41.	Prograde eclogites from the Tonaru epidote amphibolite mass in the Sambagawa Metamorphic Belt, central Shikoku, southwest Japan Miyagi & Takasu (Island Arc 14-3, 2005)
42.	Complete mantle section of a slow-spreading ridge-derived ophiolite: An example from the Isabela ophiolite in the Philippines Andal, Arai & Yumul Jr (Island Arc 14-3, 2005)
43.	Late Oligocene post-obduction granitoids of New Caledonia: A case for reactivated subduction and slab break-off Cluzel, Bosch, Paquette, Lemennicier, Montjoie & Ménot (Island Arc 14-3, 2005)
44.	Basalt and tonalite from the Amami Plateau, northern West Philippine Basin: New Early Cretaceous ages and geochemical results, and their petrologic and tectonic implications Hickey-Vargas (Island Arc 14-4, 2005)

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