Tom N. Clifford

University of the Witwatersrand — South Africa

Earth and Planetary Sciences · Physical Sciences

17h-index918citations29works0.02yr avg
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Research Topics

Geological and Geochemical Analysis(27), Geochemistry and Geologic Mapping(20), Clay minerals and soil interactions(4), Geological and Geophysical Studies(4), Paleontology and Stratigraphy of Fossils(3)

Publications29 total

The O’okiep Copper District, Namaqualand, South Africa: a review of the geology with emphasis on the petrogenesis of the cupriferous Koperberg Suite
Mineralium Deposita·2012· 23 cited
The geology of the Neoproterozoic Swakop-Otavi transition zone in the Outjo District, northern Damara Orogen, Namibia
South African Journal of Geology·2008· 16 cited
Geochemical constraints of the petrogenesis of the O’okiep Koperberg Suite and granitic plutons in Namaqualand, South Africa: A crustal source in Namaquan (Grenville) times
Precambrian Research·2007· 18 citedOpen Access
U-Pb Zircon Calendar for Namaquan (Grenville) Crustal Events in the Granulite-facies Terrane of the O'okiep Copper District of South Africa
Journal of Petrology·2004· 81 citedOpen Access
Geochemical constraints on the petrogenesis of the O'okiep intrusive rocks (Namaqualand, S. Africa) : a lower crustal mafic source
Open Repository and Bibliography (University of Liège)·2001
Chromian illite-ankerite-quartz parageneses from the Kintail district of southern Ross-shire, Scotland
Mineralogical Magazine·1999· 1 cited
A Crustal Progenitor for the Intrusive Anorthosite—Charnockite Kindred of the Cupriferous Koperberg Suite, O'okiep District, Namaqualand, South Africa; New Isotope Data for the Country Rocks and the Intrusives
Journal of Petrology·1995· 55 cited
Mineral-chemical and isotopic studies of Namaqualand granulites, South Africa: A grenville analogue
Contributions to Mineralogy and Petrology·1981· 68 cited
Zircon U-Pb ages of the Franzfontein granitic suite, northern South West Africa
Precambrian Research·1976· 41 cited
The copper deposits of the O'okiep District, South Africa: New data and concepts
Mineralium Deposita·1976· 20 cited
A sapphirine-cordierite-bronzite-phlogopite paragenesis from Namaqualand, South Africa
Mineralogical Magazine·1975· 31 cited
Geochronological and Petrogenetic Studies of High-Grade Metamorphic Rocks and Intrusives in Namaqualand, South Africa
Journal of Petrology·1975· 66 cited
The earth's deeper crust: case histories from Africa
Annales de la Société géologique de Belgique·1975· 1 cited
156 : Review of African Granulites and Related Rocks
Geological Society of America Special Papers·1974· 17 cited
Review of African Granulites and Related Rocks
Geological Society of America Special Papers·1974· 45 cited
African magmatism and tectonics : a volume in honour of W.Q. Kennedy
Oliver & Boyd eBooks·1970· 3 cited
Petrochemistry and age of the Franzfontein granitic rocks of northern South-West Africa
Geochimica et Cosmochimica Acta·1969· 23 cited
Internal features of some orogenic belts of Africa
Geological Society London Special Publications·1969· 1 cited
92 : The Damaran Episode in the Upper Proterozoic—Lower Paleozoic Structural History of Southern Africa
Geological Society of America Special Papers·1967· 2 cited
The Damaran Episode in the Upper Proterozoic—Lower Paleozoic Structural History of Southern Africa
Geological Society of America Special Papers·1967· 64 cited
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Frequent Co-authors

D. C. Rex(5), A.J. Burger(5), E. F. Stumpfl(3), Erika S. Barton(3), O. von Knorring(2), Jacqueline Vander Auwera(2), Alwyn J. Burger(1), T.S. McCarthy(1), Janet R. Gronow(1), E. A. Retief(1), C. Mark Fanning(1), Roy McG. Miller(1), James McIver(1), L. O. Nicolaysen(1), Joan M. Rooke(1), H. L. Allsopp(1), D. van Zyl(1), Jean‐Clair Duchesne(1), Jean-Paul Liégeois(1), N. J. Snelling(1)