tclfield_001. Troctolite outcrop in Flakstadøya, Lofoten Archipelago, Norway. The outcrop is of a mafic intrusion which grades from anorthosite in the foreground to gabbro behind the scene. The rock in the midground of the photo is troctolite. Image courtesy of Siim Sepp.

tclfield_002. A closer view of the same troctolite outcrop in Flakstadøya, Lofoten Archipelago, Norway. Note the speckled gray-orange appearance of the surface. Troctolite derives its name from its spotted appearance, coming from the Greek trōktēs, meaning trout. Image courtesy of Siim Sepp/a>.