Cretaceous fore-arc basalts from the Tonga arc: Geochemistry and implications for the tectonic history of the SW Pacific

被引：0
作者：
Falloon, Trevor J. [1 ,2 ]
Meffre, Sebastien [3 ]
Crawford, Anthony J. [2 ]
Hoernle, Kaj [4 ]
Hauff, Folkmar [4 ]
Bloomer, Sherman H. [5 ]
Wright, Dawn J. [5 ]
机构：
[1] Institute for Marine and Antarctic Studies (IMAS), Australia
[2] School of Physical Sciences, University of Tasmania, Hobart,TAS,7001, Australia
[3] ARC Centre of Excellence in Ore Deposits, University of Tasmania, Hobart,TAS,7001, Australia
[4] GEOMAR/Helmholtz Centre for Ocean Research Kiel, Wischhofstrasse 1-3, Keil,D-24148, Germany
[5] College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis,OR,97331-5506, United States
来源：
Tectonophysics | 2014年 / 630卷 / 0C期
基金：
澳大利亚研究理事会; 美国国家科学基金会;
关键词：
Geochemistry; -; Zircon; Tectonics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The Tonga fore-arc preserves a complex history of subduction initiation, back-arc basin formation and arc volcanism which has extended from the Cretaceous to the present. In this paper, we discuss the geochemistry of a Cretaceous basalt/dolerite/gabbro suite recovered in two dredges from the Tonga fore-arc at ~ 19°S. The geochemistry of the Tonga fore-arc suite is unlike that of the uniformly depleted MORB basalts of the subducting Pacific Plate and therefore is unlikely to be accreted from Pacific Cretaceous crust. The ~ 102. Ma age obtained for one Tongan fore-arc dolerite is contemporaneous with a major phase of Cretaceous subduction-related volcanism, recorded both in detrital zircon age populations and associated volcanics from New Caledonia and New Zealand. We believe that the Tonga fore-arc basalts are a remnant of a hypothesized, once extensive Cretaceous back-arc basin, called the East New Caledonia Basin, which we propose to have existed from ~ 102 to 50. Ma. The allochthonous Poya Terrane of New Caledonia is geochemically very similar to the Tonga fore-arc basalts and represents a younger (~ 84-55. Ma) remnant of the same basin. Subduction-related Cretaceous volcanics from the SW Pacific, representing both arc and back-arc settings, all appear to have similar Zr/Nb values, suggesting a common mantle component in their petrogenesis. The Tonga fore-arc basalts are also similar to fore-arc basalts recovered from the Izu-Bonin-Mariana fore-arc, but unlike these basalts they are not associated with subduction initiation. © 2014 Elsevier B.V.
引用
收藏
页码：21 / 32
相关论文
共 50 条
  • [31] INTRAOCEANIC SETTINGS OF THE WESTERN MEXICO LATE JURASSIC-EARLY CRETACEOUS ARC SEQUENCES - IMPLICATIONS FOR THE PACIFIC-TETHYS GEODYNAMIC RELATIONSHIPS DURING THE CRETACEOUS
    TARDY, M
    LAPIERRE, H
    BOURDIER, JL
    COULON, C
    MARTINEZ, J
    ORTIZ, E
    YTA, M
    BECK, C
    THERY, JM
    [J]. GEODINAMICA ACTA, 1993, 6 (03) : 174 - 185
  • [32] Implications of Eocene-age Philippine Sea and forearc basalts for initiation and early history of the Izu-Bonin-Mariana arc
    Yogodzinski, Gene M.
    Bizimis, Michael
    Hickey-Vargas, Rosemary
    McCarthy, Anders
    Hocking, Benjamin D.
    Savov, Ivan P.
    Ishizuka, Osamu
    Arculus, Richard
    [J]. GEOCHIMICA ET COSMOCHIMICA ACTA, 2018, 228 : 136 - 156
  • [33] Geochemistry of Late Permian basalts from boreholes in the Sichuan Basin, SW China: Implications for an extension of the Emeishan large igneous province
    Liu, Xiaoyu
    Qiu, Nansheng
    Soager, Nina
    Fu, Xiaodong
    Liu, Ran
    [J]. CHEMICAL GEOLOGY, 2022, 588
  • [34] Pressure-temperature-time (P-T-t) evolution of fore-arc and foreland schist in the Qinling Orogenic Belt, China: Implications for Late Paleozoic and Triassic subduction termination
    Varga, Jan
    Kelsey, David E.
    Dong, Yunpeng
    Raimondo, Tom
    Hand, Martin
    [J]. GONDWANA RESEARCH, 2018, 61 : 20 - 45
  • [35] Fore-arc basin deformation in the Andaman-Nicobar segment of the Sumatra-Andaman subduction zone: Insight from high-resolution seismic reflection data
    Moeremans, Raphaele E.
    Singh, Satish C.
    [J]. TECTONICS, 2015, 34 (08) : 1736 - 1750
  • [36] Petrologic evolution of boninite lavas from the IBM Fore-arc, IODP Expedition 352: Evidence for open-system processes during early subduction zone magmatism
    Scholpp, Jesse L.
    Ryan, Jeffrey G.
    Shervais, John W.
    Stremtan, Ciprian
    Rittner, Martin
    Luna, Antonio
    Hill, Stephen A.
    Atlas, Zachary D.
    Mack, Bradford C.
    [J]. AMERICAN MINERALOGIST, 2022, 107 (04) : 572 - 586
  • [37] Carbon release from submarine seeps at the Costa Rica fore arc: Implications for the volatile cycle at the Central America convergent margin
    Fueri, Evelyn
    Hilton, David R.
    Tryon, Michael D.
    Brown, Kevin M.
    McMurtry, Gary M.
    Brueckmann, Warner
    Wheat, C. Geoffrey
    [J]. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 2010, 11
  • [38] Petrogenesis and tectonic implications of alkali basalts in Kalamaili area, east Junggar, Xinjiang (NW China): constraints from petrology, geochronology and geochemistry
    Li H.
    Li Y.
    Xu X.
    Yang G.
    Wang Z.
    Xu Q.
    Wang L.
    [J]. Dizhi Xuebao/Acta Geologica Sinica, 2021, 95 (11): : 3282 - 3300
  • [39] Early Cretaceous arc volcanic suite in Cebu Island, Central Philippines and its implications on paleo-Pacific plate subduction: Constraints from geochemistry, zircon U-Pb geochronology and Lu-Hf isotopes
    Deng, Jianghong
    Yang, Xiaoyong
    Zhang, Zhao-Feng
    Santosh, M.
    [J]. LITHOS, 2015, 230 : 166 - 179
  • [40] Geology and geochemistry of the Palaeozoic plutonic bodies of the Trans-Altay Gobi, SW Mongolia: implications for magmatic processes in an accreted volcanic-arc system
    Hanzl, Pavel
    Bat-Ulzii, Dash
    Rejchrt, Miroslav
    Kosler, Jan
    Bolormaa, Khasbazaar
    Hrdlickova, Kristyna
    [J]. JOURNAL OF GEOSCIENCES, 2008, 53 (02) : 201 - 234
12345