John Barry Hawthorne, South African geologist and entrepneur (Kimberley, Northern Cape Province 19 May 1934 – Scarborough, Cape Town 15 November 2018) Gave relevant contributions to kimberlite geology, diamond studies and upper mantle geology Showed that kimberlites were undoubtedly magmas With J.B. Dawson. Magmatic sedimentation and carbonatitic differentiation in kimberlite sills at Benfontein, South Africa. J. Geol. Soc. 129(1):61-85, 1973 With J.W. Harris, M.M. Osterveld & E. Wehmeyer. A classification scheme for diamond, and a comparative study of South African diamond characteristics. Phys. Chem. Earth 9:765-83, 1975 Proposed the composite geological model for many southern African pipes Model of a kimberlite pipe. Phys. Chem. Earth 9:1-15, 1975 SOME BIBLIOGRAPHY With C.R. Clement, J.W. Harris & D.N. Robinson. The DeBeers kimberlite pipe – a historic South African diamond mine. Mineral Deposits of Southern Africa. Geol. Soc. South Afr. 2:2193-2214, 1986 With J.W. Harris & M.M. Osterveld. A comparison of diamond characteristics from the DeBeers Pool mines, Kimberley, South Africa. Ann. Sci. Univ. Clermont-Ferrand 2(74):1-13, 1984 With A.J. Carrington, C.R. Clement & E.M.W. Skinner. Geology of the Dokolwayo kimberlite and associated paleo-alluvial diamond deposits (1979) With J.W. Harris & M.M. Osterveld. Regional and local variations in the characteristics of diamonds from some Southern African kimberlites (1979) With C.R. Clement, E.M. Skinner, L. Klenjan & H.L. Allsopp. Precambrian ultramaffic dykes with kimberlite affinities in the Kimberley area. (1975) With J.B. Dawson. Intrusion features of some hypabyssal South African kimberlites. Bull. Volcan. 34 (3):740-57, 1970 Kimberlite sills. Trans. Geol. Soc. S. Afr. 71:291-311, 1968 HONORS Hawthorneite Grey, Madsen & Haggerty 1987 (Mineral) |
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