Reagan, Mark K., Pearce, Julian A., Petronotis, Katerina ORCID: 0000-0003-1467-069X, Almeev, Renat R., Avery, Aaron J., Carvallo, Claire, Chapman, Timothy ORCID: 0000-0002-4821-6420, Christeson, Gail L., Ferre, Eric C., Godard, Marguerite ORCID: 0000-0003-3097-5135, Heaton, Daniel E., Kirchenbaur, Maria, Kurz, Walter, Kutterolf, Steffen ORCID: 0000-0002-0645-3399, Li, Hongyan, Li, Yibing, Michibayashi, Katsuyoshi, Morgan, Sally ORCID: 0000-0001-7601-3551, Nelson, Wendy R., Prytulak, Julie, Python, Marie, Robertson, Alastair H. F., Ryan, Jeffrey G., Sager, William W., Sakuyama, Tetsuya, Shervais, John W., Shimizu, Kenji ORCID: 0000-0003-3274-1068 and Whattam, Scott A. (2017). Subduction initiation and ophiolite crust: new insights from IODP drilling. Int. Geol. Rev., 59 (11). S. 1439 - 1451. PHILADELPHIA: TAYLOR & FRANCIS INC. ISSN 1938-2839

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Abstract

International Ocean Discovery Program (IODP) Expedition 352 recovered a high-fidelity record of volcanism related to subduction initiation in the Bonin fore-arc. Two sites (U1440 and U1441) located in deep water nearer to the trench recovered basalts and related rocks; two sites (U1439 and U1442) located in shallower water further from the trench recovered boninites and related rocks. Drilling in both areas ended in dolerites inferred to be sheeted intrusive rocks. The basalts apparently erupted immediately after subduction initiation and have compositions similar to those of the most depleted basalts generated by rapid sea-floor spreading at mid-ocean ridges, with little or no slab input. Subsequent melting to generate boninites involved more depleted mantle and hotter and deeper subducted components as subduction progressed and volcanism migrated away from the trench. This volcanic sequence is akin to that recorded by many ophiolites, supporting a direct link between subduction initiation, fore-arc spreading, and ophiolite genesis.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Reagan, Mark K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pearce, Julian A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Petronotis, KaterinaUNSPECIFIEDorcid.org/0000-0003-1467-069XUNSPECIFIED
Almeev, Renat R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Avery, Aaron J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Carvallo, ClaireUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Chapman, TimothyUNSPECIFIEDorcid.org/0000-0002-4821-6420UNSPECIFIED
Christeson, Gail L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ferre, Eric C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Godard, MargueriteUNSPECIFIEDorcid.org/0000-0003-3097-5135UNSPECIFIED
Heaton, Daniel E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kirchenbaur, MariaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kurz, WalterUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kutterolf, SteffenUNSPECIFIEDorcid.org/0000-0002-0645-3399UNSPECIFIED
Li, HongyanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Li, YibingUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michibayashi, KatsuyoshiUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Morgan, SallyUNSPECIFIEDorcid.org/0000-0001-7601-3551UNSPECIFIED
Nelson, Wendy R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Prytulak, JulieUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Python, MarieUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Robertson, Alastair H. F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ryan, Jeffrey G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sager, William W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sakuyama, TetsuyaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shervais, John W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shimizu, KenjiUNSPECIFIEDorcid.org/0000-0003-3274-1068UNSPECIFIED
Whattam, Scott A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-243498
DOI: 10.1080/00206814.2016.1276482
Journal or Publication Title: Int. Geol. Rev.
Volume: 59
Number: 11
Page Range: S. 1439 - 1451
Date: 2017
Publisher: TAYLOR & FRANCIS INC
Place of Publication: PHILADELPHIA
ISSN: 1938-2839
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
IZU-BONIN-MARIANA; EAST PACIFIC RISE; FORE-ARC; VOLCANIC-ROCKS; COMPLEX; MORB; MAGMATISM; EVOLUTION; PETROLOGY; ISLANDSMultiple languages
GeologyMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/24349

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