Low87/Sr86Sr ratios in fresh South African kimberlites von Berg, G.W., Allsopp, H.L.

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Rubidium/Strontium Ages from the Western Transvaal von ALLSOPP, H. L

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Low 87/Sr 86Sr ratios in fresh South African kimberlites von Berg, G.W., Allsopp, H.L.

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Lead isotopic studies of some Late Proterozoic stratabound ores of central Africa von Hughes, M.J., Welke, H.J., Allsopp, H.L.

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RbSr isotopic ages of Precambrian intrusives from Queen Maud Land, Antarctica von Allsopp, H.L., Neethling, D.C.

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Rb Sr isotopic ages of Precambrian intrusives from Queen Maud Land, Antarctica von Allsopp, H.L., Neethling, D.C.

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Isotopic age determinations on the Cape Granite and intruded Malmesbury sediments, Cape Peninsula, South Africa von Allsopp, H.L, Kolbe, P

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Measurements relating to the genesis of the Tsumeb pipe, South West Africa von Allsopp, H.L., Ferguson, John

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Measurements of K, Rb, U, Sr and Pb in diamonds containing inclusions von WELKE, H. J, ALLSOPP, H. L, HARRIS, J. W

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RbSr age determinations on South African kimberlite pipes von Allsopp, H.L., Barrett, D.R.

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Rb/K ratios and Sr-isotopic compositions of minerals in eclogitic and peridotitic rocks von Allsopp, H.L., Nicolaysen, L.O., Hahn-Weinheimer, P.

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A minimum age for the premier kimberlite pipe yielded by biotite RbSr measurements, with related galena isotopic data von Allsopp, H.L., Burger, A.J., Van Zyl, C.

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Petrochemistry and age of the Franzfontein granitic rocks of northern South-West Africa von Clifford, T.N, Rooke, J.M, Allsopp, H.L

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Note on the UPb perovskite method for dating kimberlites: Examples from the Wesselton and De Beers mines, South Africa, and Somerset Island, Canada von Smith, C.B., Allsopp, H.L., Garvie, O.G., Kramers, J.D., Jackson, P.F.S., Clement, C.R.

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The Manatee : Ecology and Use for Weed Control von ALLSOPP, W. H. L

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