For a complete archive of Goonie's research outputs click here.
Recent Journal and Book Publications
C. Antoine, R.A. Spikings, D. Miletic, J.S. Marsh, S. Gaynor, U. Schaltegger (2022) 40Ar/39Ar geochronology of the Drakensberg continental flood basalts: Understanding large argon isotopic variations in mafic groundmass and plagioclase size fractions: Chemical Geology, p. 121086.
J.S. Marsh (2020) Misrepresentation of early Karoo Volcanism: A critical discussion of aspects of “De Wit et al., 2020. Pillow talk: Volcanic rocks of the Karoo that formed many leagues under the Gondwanan Sea. South African Journal of Geology, doi: 0.25131/sajg.123.0021”. South African Journal of Geology, 123 (4), 647-652.
E.R. Neumann, J.S. Marsh, C.Y. Galerne, S. Polteau, H. Svensen, S. Planke (2020) Co-existing low-Ti and high-Ti dolerites in two large dykes in the Gap Dyke swarm, southeastern Karoo Basin (South Africa). South African Journal of Geology, 123 (1), 19-34.
J. S. Marsh (2016) Karoo dolerite intrusions – shaping landscapes of the Great Karoo, 81-87. In: Anhaeusser, CR, Viljoen, MR, and Viljoen, RP (Eds.) Africa’s Top Geological Sites. Struik Nature, Cape Town, 312pp.
J. S. Marsh (2016) New evidence for the correlation of basalts of the Suurberg Group with the upper part of the Karoo basalt sequence of Lesotho, 59-65. In: B. Linol and M. De Wit (Eds.) Regional Geology Reviews 8643: Origin and Evolution of the Cape Mountains and Karoo Basin, Springer Verlag.
J.S. Marsh, C.M. Williams and H.V. Eales (2019) New Amalfi and Elephant's Head intrusions, Karoo Igneous Province: Differentiation and relationship. Abstract volume, Igneous and Metamorphic Studies Group meeting, Parys, South Africa.
J.S. Marsh (2014) Sr, Nd, and Pb-isotopes in Cretaceous basanites, SW Angola – evidence for a HIMU component in the mantle source and crustal contamination. Abstract volume, Igneous and Metamorphic Studies Group meeting, Grahamstown, South Africa.
J.S. Marsh and R. Swart (2014) The Bero Volcanic Group: an extension of the Etendeka Igneous Province into the Namibe Basin, SW Angola. Abstract, The Roy Miller Symposium, Windhoek, Namibia.
I. Sharp, K. Verwer, H. Ferreira, M. Snidero, V. Machado, E. Holtar, R. Swart, J. Marsh, L. Gindre, C. Puigdefabregas, and M. Fejersko. (2012) Pre- and Post-Salt non-marine carbonates of the Namibe Basin, Angola. AAPG Search and Discovery Article # 90142, AAPG Annual Convention and Exhibition, Long Beach, California.
J.A. Lodge and J.S. Marsh (2011) Petrology and geochemistry of rare wide dykes in the basaltic sequence of Lesotho. Igneous and Metamorphic Studies Group meeting, Stellenbosch.
J.S. Marsh (2011) Volcanism in the on-shore Namibe Basin, SW Angola. Namibe Basin Seminar, Zebra River, Namibia.
J.S. Marsh (2011) Cretaceous volcanism in the on-shore Namibe basin, southern Angola. Abstract volume, Igneous and Metamorphic Studies Group meeting, Stellenbosch, South Africa.