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IGCP 648

IGCP648 Logo The IGCP 648: Supercontinent Cycles & Global Geodynamics project brings together a diverse range of geoscience expertise to harness recent breakthroughs in order to explore the occurrence and evolution history of supercontinents through time along with the underlying geodynamic processes. The work is supported by:
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Supercontinent Pangea
Supercontinent Pangea and the structure of mantle at almost 3,000 kilometers deep. (Courtesy of Ross Mitchell and Bernhard Steinberger.)

Nature Review of State-of-the-Art Supercontinent Research

An article published in Nature Reviews Earth & Environment presents the current state-of-the-art in supercontinent research. The review, led by Prof Ross Mitchell, also includes many current or previous Earth Dynamics Research Group members as co-authors.

GSL Special Publication 503

Pannotia to Pangaea Special Publication!

This Geological Society, London, Special Publication celebrates the career of R. Damian Nance. The contents include articles that discuss the processes responsible for the formation and breakup of supercontinents and the controversies concerning the status of Pannotia as a supercontinent.

This volume arose from IGCP 648.

AGU 2020 Fellow Michael Brown

Prof. Michael Brown recognised in 2020 Class of AGU Fellows

We are please to announce that IGCP648 member Prof. Michael Brown, from the University of Maryland, has been named in the 2020 list of AGU Fellows. The 62 new Fellows will be honored in a virtual ceremony (since the AGU Fall Meeting is online everywhere this year) on Wednesday, 9th December, at 23:00 UTC.

Congratulations Prof. Brown!

LLSVPs

Deep mantle unveils a two-faced Earth

Research led by scientists in the Earth Dynamics Research Group, and published in Nature Geoscience, suggests that the Earth has two chemically distinct hemispheric ‘faces’ or domains.

Image credit: modifed from animation by Sanne Cottaar.

Credit: National Geographic

Early whole mantle remixing suggests a start of global plate tectonics before three billion years ago

New work, published in the journal Scientific Reports, found that after the initial chemical stratification and formation of a hard shell in the first billion years of our planet’s history, there was a major chemical ‘stir-up’ some 3.2 billion years ago.

Image credit: National Geographic

Fluid-fluxed melting

New article in Nature Geoscience!

A recently published Nature Geoscience article outlines the critical importance of water in the melting that occurs in subduction zones. This work, lead by Prof. Bill Collins, also discusses how this fluid-fluxed melting influences the mineralogical and geochemical signatures of the continental crust.

Prof. Z.X. Li

Prof. Zheng-Xiang Li recognised in 2019 Class of AGU Fellows

Each year AGU elects Fellows whose visionary leadership and scientific excellence have fundamentally advanced research in their respective fields. Professor Zheng-Xiang Li has been named in the list of 62 new AGU Fellows to be honored at the AGU Fall Meeting 2019 in San Francisco, California.

Congratulations Prof. Li!

IGCP 648 2019 Field Symposium

IGCP 648 2019 Field Symposium – A Geologic Transect of Madagascar

The IGCP 648 2019 Field Symposium on the Precambrian evolution of Madagascar was well attended, with 31 geoscientists representing 11 countries. Read an entertaining account of the symposium written by Prof. Damian Nance.

Prof Müller

Prof. Dietmar Müller awarded the Jaeger Medal

The Australian Academy of Science recently acknowledged the outstanding contributions of 20 of Australia’s leading scientists and future superstars. Prof. Müller was awarded the Jaeger Medal for lifelong achievement, which recognises research on the Earth or its oceans carried out in Australia or with a connection to Australian Earth science.

Superoceans

Decoding the Earth’s rhythms

A new IGCP 648 publication in Precambrian Research highlights how the supercontinents appear to have assembled and broken up through alternating processes of ‘introversion’ and ‘extroversion’. The process spans twice the period of the supercontinent cycle and involves either the survival or regeneration of superoceans and the subduction girdle.

Prof. Paul Hoffman

CCFS Short Course on Snowball Earth by Professor Paul Hoffman

A CCFS-sponsored short course on the global climatic phenomenon known as Snowball Earth was held at Curtin University on 15 July, 2016.The seminars were recorded and are available to view online.

 

 

Important upcoming events

  • IGCP 648 Virtual Seminar Series


    The next seminar will be held on Thursday 13th May at 13:00 GMT with Dr Richard Palin presenting: Mafic Archean continental crust prohibited exhumation of orogenic UHP eclogite.

    View more information about the seminar series and watch some of the recorded previous seminars.

    Please use the online form to sign up and participate in our future seminar series.

Recent Research Highlights

It took 2 billion years for Earth to kick start its supercontinent cycle

Liu Y., Mitchell, R.N., Li, Z.X., Kirscher, U., Pisarevsky, S.A., Wang, C., 2021. Archean geodynamics: Ephemeral supercontinents or long-lived supercratons. Geology, In press. https://doi.org/10.1130/G48575.1

Select media:Phys.org, ScienceDaily, SpaceTime with Stuart Gary

 

Deep mantle unveils a two-faced Earth

Doucet, L.S., Li, Z.X., Gamal El Dien, H., Pourteau, A., Murphy, J.B., Collins, W.J., Mattielli, N., Olierook, H.K.H., Spencer, C.J., Mitchell, R.N., 2020. Distinct formation history for deep-mantle domains reflected in geochemical differences. Nature Geoscience 13, 511–515. https://doi.org/10.1038/s41561-020-0599-9

Select media:Phys.org,  Science Codex

 

Metamorphism and the evolution of plate tectonics

Holder, R.M., Viete, D.R., Brown, M., Johnson, T.E., 2019. Metamorphism and the evolution of plate tectonics. Nature, 572, 378-381. doi:10.1038/s41586-019-1462-2

Select media: Phys.org, HowStuffWorks, ScienceBlog

 

Surface erosion events controlled the evolution of plate tectonics on Earth

Sobolev, S.V., Brown, M., 2019. Surface erosion events controlled the evolution of plate tectonics on Earth. Nature, 570, 52-57. doi:10.1038/s41586-019-1258-4

Select media: Phys.org, ScienceNews, Nature Podcast

Click below to hear from the project secretary about some interesting recent publications/outcomes from the IGCP Project 648 community.

Help Build the Geological Database

Please click below to view a short presentation on the data compilation initiative of IGCP Project 648.


This Geological Society, London, Special Publication celebrates the career of R. Damian Nance. The contents include articles that discuss the processes responsible for the formation and breakup of supercontinents and the controversies concerning the status of Pannotia as a supercontinent.

This volume arose from IGCP 648 Supercontinent Cycles and Global Geodynamics.

Articles available from:
The Geological Society, London

See the inside cover and biography and table of contents.

A new Tectonophysics special issue celebrating the career of Cees van Staal is now online. The issue discusses the development of accretionary orogens and was edited by J. Brendan Murphy, Shoufa Lin, and Alexandre Zagorevski.

Articles available from:
ScienceDirect


GSL Special Publication 424 Now Available!

The 1st IGCP 648-sponsored volume on Supercontinent Cycles Through Earth History is now available. Edited by Z.X. Li, D.A.D. Evans, and J.B. Murphy.

Articles available from:
The Geological Society, London

See the inside cover and table of contents.