Vischkuil Formation (South Africa)

found: Work cat.: Viljoen, J.H.A. Lithostratigraphy of the Vischkuil Formation (Ecca Group), 1992.

found: Council for Geoscience website, Feb. 11, 2009(Vischkuil Formation, parent: Ecca Group, Permian)

found: Lexicon of South African stratigraphy, 1994:pt. 1 p. 44 (Vischkuil (Shale) Formation (Ecca Group, Karoo Supergroup), termed the Lower Ecca Shales by Rogers and Schwarz (1903), referred to as Lower Argillaceous Formation by Ryan (1967), extends from northeast of Prince Albert to 50 km west of Laingsburg, southern Cape Province)