2023
DOI: 10.34194/geusb.v56.8327
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Petrology of the Skaergaard Layered Series

Peter Thy,
Christian Tegner,
Charles E Lesher

Abstract: The Skaergaard intrusion is a layered, ferrobasaltic intrusion emplaced during the Early Eocene into the rifting volcanic margin of East Greenland. The magma chamber crystallised in response to cooling from the roof and margins upwards and inward, forming upper, marginal and bottom series, the latter referred to as the Layered Series. The phase layering in the bottom series suggests an evolved, olivine-normative tholeiitic melt saturated in plagioclase and olivine, followed by augite, and then simultaneously b… Show more

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