IDEAS home Printed from https://ideas.repec.org/a/nat/natcom/v14y2023i1d10.1038_s41467-023-43845-4.html
   My bibliography  Save this article

Widespread PREMA in the upper mantle indicated by low-degree basaltic melts

Author

Listed:
  • Ronghua Cai

    (China University of Geosciences)

  • Jingao Liu

    (China University of Geosciences)

  • D. Graham Pearson

    (University of Alberta)

  • Andrea Giuliani

    (ETH Zurich)

  • Peter E. Keken

    (Earth and Planets Laboratory, Carnegie Institution for Science)

  • Senan Oesch

    (ETH Zurich)

Abstract

Studies of ocean island basalts have identified a Prevalent Mantle (PREMA) component as a fundamental feature of mantle geochemical arrays; however, its origin and distribution are highly controversial, including its potential link to plumes sourced in low-shear-wave velocity provinces (LLSVPs) above the core-mantle boundary. In this study, we interrogate the compositional systematics of ~ 3500 Cenozoic oceanic and continental sodic basalts to provide insights into the origin and distribution of PREMA. We find that low-degree basaltic melts with high Nb concentrations located away from deep-mantle plumes have PREMA-like Sr-Nd-Hf isotopic signatures, implying that PREMA is highly fusible and not exclusively associated with LLSVPs. Geochemical modelling and mantle convection simulations indicate that PREMA could have been generated soon after Earth accretion, experiencing only minimal melting or enrichment, and then scattered throughout the upper mantle, rather than being the result of mixing between depleted and enriched mantle components.

Suggested Citation

  • Ronghua Cai & Jingao Liu & D. Graham Pearson & Andrea Giuliani & Peter E. Keken & Senan Oesch, 2023. "Widespread PREMA in the upper mantle indicated by low-degree basaltic melts," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43845-4
    DOI: 10.1038/s41467-023-43845-4
    as

    Download full text from publisher

    File URL: https://www.nature.com/articles/s41467-023-43845-4
    File Function: Abstract
    Download Restriction: no
    File URL: https://libkey.io/10.1038/s41467-023-43845-4?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    References listed on IDEAS

    as
    1. A. W. Hofmann, 1997. "Mantle geochemistry: the message from oceanic volcanism," Nature, Nature, vol. 385(6613), pages 219-229, January.
    2. Jon Woodhead & Janet Hergt & Andrea Giuliani & Roland Maas & David Phillips & D. Graham Pearson & Geoff Nowell, 2019. "Kimberlites reveal 2.5-billion-year evolution of a deep, isolated mantle reservoir," Nature, Nature, vol. 573(7775), pages 578-581, September.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Suraj K. Bajgain & Aaron Wolfgang Ashley & Mainak Mookherjee & Dipta B. Ghosh & Bijaya B. Karki, 2022. "Insights into magma ocean dynamics from the transport properties of basaltic melt," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Runsheng Yin & Di Chen & Xin Pan & Changzhou Deng & Liemeng Chen & Xieyan Song & Songyue Yu & Chuanwei Zhu & Xun Wei & Yue Xu & Xinbin Feng & Joel D. Blum & Bernd Lehmann, 2022. "Mantle Hg isotopic heterogeneity and evidence of oceanic Hg recycling into the mantle," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    3. Zhendong Zhang & Jessica C. E. Irving & Frederik J. Simons & Tariq Alkhalifah, 2023. "Seismic evidence for a 1000 km mantle discontinuity under the Pacific," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    4. Jiewen Li & Daoyuan Sun & Dan J. Bower, 2022. "Slab control on the mega-sized North Pacific ultra-low velocity zone," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    5. Jing-Yao Xu & Andrea Giuliani & Qiu-Li Li & Kai Lu & Joan Carles Melgarejo & William L. Griffin, 2021. "Light oxygen isotopes in mantle-derived magmas reflect assimilation of sub-continental lithospheric mantle material," Nature Communications, Nature, vol. 12(1), pages 1-13, December.

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-43845-4. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Sonal Shukla or Springer Nature Abstracting and Indexing (email available below). General contact details of provider: http://www.nature.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.