Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/602| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Savov, I. P.; University of South Florida, Geology Department | en |
| dc.contributor.authorall | Hickey-Vargas, R.; Florida International University, Department of Earth Sciences | en |
| dc.contributor.authorall | D'Antonio, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.authorall | Ryan, J. G.; University of South Florida, Geology Department | en |
| dc.contributor.authorall | Spadea, P.; Università di Udine, Dipartimento Georisorse e Territorio | en |
| dc.date.accessioned | 2005-12-20T10:48:24Z | en |
| dc.date.available | 2005-12-20T10:48:24Z | en |
| dc.date.issued | 2005 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/602 | en |
| dc.description.abstract | Site 1201D of Ocean Drilling Program Leg 195 recovered basaltic and volcaniclastic units from the West Philippine Basin that document the earliest history of the Izu–Bonin–Mariana convergent margin. The stratigraphic section recovered at Site 1201D includes 90 m of pillow basalts, representing the West Philippine Basin basement, overlain by 459 m of volcaniclastic turbidites that formed from detritus shed from the Eocene–Oligocene proto-Izu–Bonin–Mariana island arc. Basement basalts are normal mid-ocean ridge basalt (N-MORB), based on their abundances of immobile trace elements, although fluid-mobile elements are enriched, similar to back-arc basin basalts (BABB). Sr, Nd, Pb and Hf isotopic compositions of the basement basalts are similar to those of basalts from other West Philippine Basin locations, and show an overall Indian Ocean MORB signature, marked by high 208Pb/204Pb for a given 206Pb/204Pb and high 176Hf/177Hf for a given 143Nd/ 144Nd. Trace element and isotopic differences between the basement and overlying arc-derived volcaniclastics are best explained by the addition of subducted sediment or sediment melt, together with hydrous fluids from subducted oceanic crust, into the mantle source of the arc lavas. In contrast to tectonic models suggesting that a mantle hotspot was a source of heat for the early Izu–Bonin–Mariana arc magmatism, the geochemical data do not support an enriched, ocean island basalt (OIB)-like source for either the basement basalts or the arc volcanic section. | en |
| dc.format.extent | 480 bytes | en |
| dc.format.extent | 1776547 bytes | en |
| dc.format.mimetype | text/html | en |
| dc.format.mimetype | application/pdf | en |
| dc.language.iso | English | en |
| dc.publisher.name | Clarendon Press | en |
| dc.relation.ispartof | Journal of petrology | en |
| dc.subject | Back-arc basalts | en |
| dc.subject | Izu–Bonin–Marianas | en |
| dc.subject | Philippine Sea | en |
| dc.subject | Subduction initiation | en |
| dc.subject | Ocean Drilling Program Leg 195 | en |
| dc.title | Petrology and Geochemistry of West Philippine Basin Basalts and Early Palau–Kyushu Arc Volcanic Clasts from ODP Leg 195, Site 1201D: Implications for the Early History of the Izu–Bonin–Mariana Arc | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | 1-23 | en |
| dc.identifier.URL | http://petrology.oxfordjournals.org/ | en |
| dc.subject.INGV | 04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processes | en |
| dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.05. Mineralogy and petrology | en |
| dc.subject.INGV | 04. Solid Earth::04.04. Geology::04.04.07. Rock geochemistry | en |
| dc.subject.INGV | 04. Solid Earth::04.07. Tectonophysics::04.07.06. Subduction related processes | en |
| dc.identifier.doi | 10.1093/petrology/egi075 | en |
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Recalibration of NBS lead standards using a 202Pb þ 205Pb double spike. Terra Abstracts 5, 396. Uyeda, S. & Ben Avraham, Z. (1972). Origin and development of the Philippine Sea. Nature 240, 176–178. Wood, D. A. (1979). A variably veined suboceanic upper mantle—genetic significance for mid-ocean ridge basalts from geochemical evidence. Geology 7, 499–503. Woodhead, J. D., Hergt, J. M., Davidson, J. P. & Eggins, S. M. (2001). Hafnium isotope evidence for ‘conservative’ element mobility during subduction zone processes. Earth and Planetary Science Letters 192, 331–346. | en |
| dc.description.fulltext | partially_open | en |
| dc.contributor.author | Savov, I. P. | en |
| dc.contributor.author | Hickey-Vargas, R. | en |
| dc.contributor.author | D'Antonio, M. | en |
| dc.contributor.author | Ryan, J. G. | en |
| dc.contributor.author | Spadea, P. | en |
| dc.contributor.department | University of South Florida, Geology Department | en |
| dc.contributor.department | Florida International University, Department of Earth Sciences | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.department | University of South Florida, Geology Department | en |
| dc.contributor.department | Università di Udine, Dipartimento Georisorse e Territorio | en |
| item.openairetype | article | - |
| item.cerifentitytype | Publications | - |
| item.languageiso639-1 | en | - |
| item.grantfulltext | restricted | - |
| item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
| item.fulltext | With Fulltext | - |
| crisitem.author.dept | Department of Terrestrial Magnetism, Carnegie Institution of | - |
| crisitem.author.dept | Department of Earth Sciences, Florida International University, Miami, FL., U.S.A. | - |
| crisitem.author.dept | Università di Napoli "Federico II" | - |
| crisitem.author.dept | Geology Department, University of South Florida, Tampa, Florida, | - |
| crisitem.author.dept | Dipartimento di Georisorse e Territorio, Università Udine, Italy. | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| Appears in Collections: | Article published / in press | |
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