The Skaergaard Intrusion of East Greenland: Paradigms, problems and new Perspectives

Marian B. Holness, Troels F.D. Nielsen, Christian Tegner

Publikation: Bidrag til tidsskriftArtikelForskningpeer review

13 Citationer (Scopus)

Abstrakt

The Skaergaard Intrusion of East Greenland is the quintessential example of low-pressure closed-system fractionation of basaltic magma. Field evidence of extensive layering and associated quasi-sedimentary structures, and the resultant 'cumulate' paradigm of crystal settling in magma chambers, has led to many long-standing controversies. Of particular significance is the lack of consensus about the microstructural record and the mechanisms by which interstitial liquid is expelled from solidifying crystal mushy zones. Skaergaard remains a cradle for new insights into igneous processes, with recent work highlighting the importance of separation of immiscible liquids on magma evolution.

OriginalsprogEngelsk
Sider (fra-til)391-396
Antal sider6
TidsskriftElements
Vol/bind13
Udgave nummer6
DOI
StatusUdgivet - dec. 2017

Programområde

  • Programområde 4: Mineralske råstoffer

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