title: Coeval large-scale magmatism in the Kalahari and Laurentian cratons during Rodinia assembly.
abstract: We show that intraplate magmatism occurred 1106 to 1112 million years ago over an area of two million square kilometers within the Kalahari craton of southern Africa, during the same magnetic polarity chron as voluminous magmatism within the cratonic core of North America. These contemporaneous magmatic events occurred while the Rodinia supercontinent was being assembled and are inferred to be parts of a single large igneous province emplaced across the two cratons. Widespread intraplate magmatism during Rodinia assembly shows that mantle upwellings required to generate such provinces may occur independently of the supercontinent cycle.
authors.affiliation: Department of Geology, Texas Christian University, Fort Worth, TX 76129, USA. r.hanson@tcu.edu
authors.forename: Richard E
authors.initials: RE
authors.lastname: Hanson
authors.forename: James L
authors.initials: JL
authors.lastname: Crowley
authors.forename: Samuel A
authors.initials: SA
authors.lastname: Bowring
authors.forename: Jahandar
authors.initials: J
authors.lastname: Ramezani
authors.forename: Wulf A
authors.initials: WA
authors.lastname: Gose
authors.forename: Ian W D
authors.initials: IW
authors.lastname: Dalziel
authors.forename: James A
authors.initials: JA
authors.lastname: Pancake
authors.forename: Emily K
authors.initials: EK
authors.lastname: Seidel
authors.forename: Thomas G
authors.initials: TG
authors.lastname: Blenkinsop
authors.forename: Joshua
authors.initials: J
authors.lastname: Mukwakwami