Before revision: However, it has been proposed that the 70-80 million years old Blue Hills, Gibeon and Gross Brukkaros kimberlite fields in southern Namibia may have been formed by the Discovery hotspot, and some plate reconstructions place it underneath the Karoo-Ferrar large igneous province at the time at which it was emplaced.
After revision: However, it has been proposed that the 70- to 80-million-year-old Blue Hills, Gibeon and Gross Brukkaros kimberlite fields in southern Namibia may have been formed by the Discovery hotspot, and some plate reconstructions place it underneath the Karoo-Ferrar large igneous province at the time at which it was emplaced.