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Magma emplacement, assimilation & the fate of stoped blocks
Click on a field shot for an upclose view
Geologic map of the northern portions of the Kråkfjellet pluton, central Norway (from Nordgulen et al., 1989). The pluton varies in composition from a biotite tonalite in the south to a biotite-hornblende granodiorite to the north. The pluton intrudes a variety of host rock lithologies including pelitic migmatites, quartzo-feldspathic schists and gneisses, carbonate rocks and mafic plutonic rocks (shown in various shades of green and blue). The cross-cutting orange rocks are biotite-muscovite granites.

Click on the pluton or xenoliths to see a more detailed map of the xenolith-rich portion of the map.