Deep komatiite signature in cratonic mantle pyroxenite

• Main Authors: Spengler, Dirk, van Roermund, Herman L.M., Drury, Martyn R.
• Other Authors: Structural geology and EM, Structural geology & tectonics
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2018
• Subjects: Archean; Cratonic mantle; Garnet-pyroxenite; Komatiite; Pyroxene exsolution; Geology; Geochemistry and Petrology; Greenland; Midsundvatnet; Norway; East Greenland
• Online Access: https://dspace.library.uu.nl/handle/1874/365197

We present new and compiled whole-rock modal mineral, major and trace element data from extremely melt depleted but pyroxenite and garnet(-ite)-bearing Palaeoarchean East Greenland cratonic mantle, exposed as three isolated, tectonically strained orogenic peridotite bodies (Ugelvik, Raudhaugene and...