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R. B. Hargraves
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Journal Article

Palaeomagnetism of the Karoo igneous rocks in Southern Africa

R. B. Hargraves, J. Rehacek, P. R. Hooper
Published: 01 September 1997
South African Journal of Geology (1997) 100 (3): 195–212.
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Journal Article

Palaeomagnetic results from the Timbavati Gabbros in the Kruger National Park, South Africa

R. B. Hargraves, P. J. Hattingh, T. C. Onstott
Published: 01 June 1994
South African Journal of Geology (1994) 97 (2): 114–118.
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Journal Article

Paleomagnetic and 40 Ar/ 39 Ar evidence for intrusion of dioritic and peralkaline rocks at Vredefort prior to overturning of the collar

R. B. Hargraves
Published: 01 September 1987
South African Journal of Geology (1987) 90 (3): 305–313.
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Constraints on the tectonic evolution of the Namaqua Province; I, Palaeomagnetic and 40 Ar/ 39 Ar results from the Richtersveld Subprovince

T. C. Onstott, R. B. Hargraves, P. Joubert, D. L. Reid
Published: 01 August 1986
South African Journal of Geology (1986) 89 (2): 117–142.
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Constraints on the tectonic evolution of the Namaqua Province; II, Reconnaissance palaeomagnetic and 40 Ar/ 39 Ar results from the Namaqua Province and Kheis Belt

T. C. Onstott, R. B. Hargraves, P. Joubert
Published: 01 August 1986
South African Journal of Geology (1986) 89 (2): 143–170.
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Constraints on the tectonic evolution of the Namaqua Province; III, Palaeomagnetic and 40 Ar/ 39 Ar results from the Gannakouriep dyke swarm

T. C. Onstott, R. B. Hargraves, D. L. Reid
Published: 01 August 1986
South African Journal of Geology (1986) 89 (2): 171–183.
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Journal Article

Rb-Sr ages and palaeomagnetic data for some Angolan alkaline intrusives

H. L. Allsopp, R. B. Hargraves
Published: 01 August 1985
South African Journal of Geology (1985) 88 (2): 295–299.
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