 | | Journal (article/letter/editorial) |
| Geochemistry of the Younger Volcanic Islands of Tonga, S.W. Pacific by A. EWART, W. B. BRYAN, and J. B...Islands comprise a double island chain, and lie at the northern end of an active island arc extending NNE from...exposed on one island. The active volcanoes, the subject of this paper, form the western island chain, and...andesite dominates the islands of Hunga Ha'apai and Late (and also Tofua and Kao, which are not described in...E Tongan Islands lie at the northern end of an island arc system that extends discontinuously in a NNE |
 | Turner, Simon, Hawkesworth, Chris, Rogers, Nick, Bartlett, Jessica, Worthington, Tim, Hergt, Janet, Pearce, Julian, Smith, Ian (1997) 238U230Th disequilibria, magma petrogenesis, and flux rates beneath the depleted Tonga-Kermadec island arc. Geochimica et Cosmochimica Acta, 61 (22) 4855-4884 doi:10.1016/s0016-7037(97)00281-0 | Journal (article/letter/editorial) |
| petrogenesis, and flux rates beneath the depleted Tonga-Kermadec island arc SIMON TURNER,1.. CHRIS HAWKESWORTH,1...- - T h e highly depleted intra-oceanic Tonga-Kermadec island arc forms an endmember of arc systems and...sediments at DSDP site 204 just to the east of the Tonga-Kermadec trench. Ca/Ti and AI/Ti ratios extend from...in the southern Kermadecs to very high ratios in Tonga interpreted to reflect increasing degrees of depletion...signature is not observed in lavas from the backarc island of Niuafo'ou. These were derived from partial melting |
 | | Journal (article/letter/editorial) |
| Garove Bismarck II Raoul Kermadec II Tofua Tonga II I 1 i I Vanua Lava Medicine Lake Cascade...Vanua Lava Manam Batur Oto Deception Garove Raoul Tofua Medicine L a k e Mendeleev Hargy Ceboruco Mashu...content for > 600 orogenic lava flows and domes (ash flows are excluded). The data are taken from the...for over 600 calc-alkaline lava flows and domes (ash-flows are excluded) from thirteen active volcanic...Mineralogy, geochemistry and petrogenesis of Kurile island-arc basalts. Contrib Mineral Petrol 102: 265-280 |
 | | Report (issue) |
| Sediments andtheGeodynamic Evolution of Western Pacific Island Arcs Herv• Cambray,ManuelPubellier,LaurentJolivet...ntleReservoirs Beneaththe CentralNew Hebrides Island Arc AnthonyJ. Crawford,L. Briqueu,C. Laporte,and...community. The spatial and temporal evolution of island arcs is discussedby Arculus et al., Clift, and...Crawford et Intense land and marine studies of the island arcs The middle Eocene initiation a consistent...governmentsof 19 nations. All but one western Pacific island nation generouslygrantedpermissionto drill in their |
 | | Book |
| Island Arcs Deep Sea Trenches and Back-Arc Basins Maurice Ewing Series 1 Manik Talwani and Walter C...Winslow J. L. Worzel Maurice Ewing Series 1 Island Ares Deep Sea Trenches and Back-Are Basins Edited...American Geophysical Union Washington, D. C. Island Arcs Deep Sea Trenches and Back-Arc Basins Standard...participants were researchers active in the study of Island Arcs, Deep Sea Trenches and Back-Arc Basins. We...Sillitoe 303 Petrogenesis in Island Arc Systems, A. E. Ringwood 311 Island Arc Models and the Composition |
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| be built on Vulcan Island, west side of Rabaul Caldera, Papua New Guinea. The island was known to rise...Departments, including myself, inspected Vulcan Island with the object of seeing whether it might not...these reasons I stated that I did riot consider the island suitable for a Quarantine Station on account of...be ornamental, but would not be required if the island went up instead of down'." George H. Murray (1939)...156 Reunion Island Piton de la Fournaise 157 Contents VII Region 4: New Zealand, Tonga, and Kermadec |
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| that potash contents of andesites increase across island arcs. By temperament VI Preface and age I prefer...active continental margin plate boundary ARC island arc plate boundary ATL Atlantic of passive continental...were three fundamentally different magma series in island arcs: tholeiitic, high-alumina, and alkalic. To...alkali content issues in their definition of the island arc tholeiitic series. They argued that differences... Magma Series Containing Orogenic Andesites 11 "island arc tholeiitic series" to denote those suites which |
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| character are found in: (4) subvolcanic regions of island arcs; and (5) ophiolites. The spatial relations...t e s u i t e i n : 4) Subvolcanic regions of island a r c s , e i t h e r as parts o f arc-tholeiitic...lavas and pyroclastics is predominantly in the island arcs and orogeni e (mobile) continental marginal...Islands, New Hebrides, Fiji, Tonga-Kermadec Islands and New Zealand. 9. Tonga-Kermadec Islands (considered...and Aegean island arcs (e.g., Barberi et al., 1974). 11. Caribbean (Lesser Antilles) island arc. 12 |
 | | Book (edition) |
| Editor-in-Chief Haraldur Sigurdsson University of Rhode Island, U.S.A. Associate Editors Bruce F. Houghton Institute...James D. L. White Claude Jaupart Seamounts and Island Building 383 Ralf Schmidt and Hans-Ulrich Schmincke...and Richard V. Fisher Ignimbrites and Block-and-Ash Flow Deposits P A R T V I 581 A. Freundt, C. J...Yoshimoto Volcaniclastic Sedimentation around Island Arcs Manfred P. Hochstein and Patrick R. L. Browne...Volcanism on Io Rosaly Lopes-Gautier 709 Volcanic Ash Hazards to Aviation T. P. Miller and T. J. Casadevall |
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| is also poorly known. More sampling of the outer island arcs or ocean-side regions of the trenches is necessary... . . . . . . . . . . . . . . . . . . . . . . . Tonga Trench . . . . . . . . . . . . . . . . . . . . ...Indian Ocean at about 500 miles from Christmas Island is interlayered between flows of altered basaltic...follows for the classification of continental, island, and ocean floor basalts is primarily that which...and Tilley, 1962). While this might be true for island volcanics, it is not so for the ocean-floor basalts |
 | | Book (edition) |
| the earth's development. continents and oceans, island chains and mountains, is an outcome of the most...the 100-fathom line. also ; Long Island Sound, '., Long Island and the Atlantic Border .with lines...Bathymetrle ; Cotidal - : ftr s. Unesin Long Island SoiiBil.tl—^^. the under-water Channel;; of Hudson...southwestward for 750 miles, and northeastward to the island of Jan Mayen. The feet; plateau has to the north...Ladrones and the Priendly Islands are craters The island chains of the ocean larity prevails elsewhere |
