Kimberlites of the Man craton, West Africa

Lithos

Volumn 76, Issue 1-4 SPEC. ISS., 2004, Pages 233-259

  Skinner, E M W ^a   Apter, D B ^b   Morelli, C ^b   Smithson, N K ^b  

^a RHODES UNIVERSITY   (South Africa)

^b DeBeers ^*  (Canada)

Author keywords

Distribution; Geochronology; Guinea; Kimberlite; Liberia; Mineral chemistry; Petrography; Sierra Leone

Indexed keywords

CRATON; EROSION; JURASSIC; KIMBERLITE; PETROGRAPHY;

AFRICA; MAN CRATON; SUB-SAHARAN AFRICA; WEST AFRICA;

EID: 4444327644     PISSN: 00244937     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.lithos.2004.04.034     Document Type: Article

References (41)

1. Andrews-Jones, D.A., 1968. Petrogenesis and geochemistry of the rocks of the Kenema district, Sierra Leone (PhD thesis abs.). Leeds Univ., England.
2. Bardet M.G. Vachette M. Determination d'ages de kimberlites de l'ouest African et assai d'interpretation de dataions des diverses venus diamantiferes dans le monde Bur. Rech. Geol. Min. Rep. D866A59 1966
3. Barth M.G. Rudnick R.L. Horn I. McDonough W.F. Spiczza M.J. Valley J.W. Haggerty S.E. Geochemistry of xenolithic eclogites from West Africa, Part 1: a link between low MgO eclogites and Archean crust formation Geochim. Cosmochim. Acta 65 9 2001 1499-1527
4. Clement, C.R., 1982. A comparative geological study of some major kimberlite pipes in the northern Cape and Orange Free State. Unpul. PhD, Univ. Cape Town.
5. Clement C.R. Skinner E.M.W. Textural-genetic classification of kimberlites Trans. Geol. Soc. South Afr. 88 1985 403-410
6. Danchin R.V. Wyatt B.A. Statistical cluster analysis of garnets from kimberlites and their xenoliths Kimberlite Symposium II, Chairman's Summaries and Poster Session Abstracts. Cambridge 1979 22-27
7. Field M. Scott Smith B.H. Contrasting geology and near-surface emplacement of kimberlite pipes in southern Africa and Canada Gurney J.et al. (Ed.) Proc. 7th Int. Kimb. Conf. vol. 1 1999 214-237 Red Roof Design Cape Town
8. Field M. Gibson J.G. Wilkes T.A. Gobabotse J. Khutjwe P. The geology of the Orapa A/K1 kimberlite Botswana: further insight into the emplacement of kimberlite pipes Russ. Geol. Geophys. 38 1 1997 24-39
9. Fourie, L., Phillips, D., Kieviets, G., 1998. Ages of Koidu kimberlites, Sierra Leone. Unpublished De Beers data.
10. Fourie, L., Barton, E., Kiewiets, G., 2000. Ages of Guinea kimberlites. Unpublished De Beers data.
11. Fung A.T. Haggerty S.E. Petrography and mineral compositions of eclogites from the Koidu Kimberlite Complex, Sierra Leone J. Geophys. Res. 100 B10 1995 20451-20473
12. Grantham D.R. Allen J.B. Kimberlite in Sierra Leone Overseas Geol. Miner. Resour. 8 1960 5-25
13. Grütter H.S. Apter D.B. Kimberlite- and lamproite-borne chromite phenocrysts with "diamond inclusion"-type chemistries 7th International Kimberlite Conference Extended Abstracts, Cape Town 1998 280-282
14. Grütter H.S. Sweeney R.J. Tests and constraints on single-grain Cr-pyrope barometer models: some initial results Extended abstracts GeoCanada 2000 2000 4 pp.
15. Grütter H.S. Apter D.B. Kong J. Crust-mantle coupling: evidence from mantle-derived xenocrystic garnets Gurney J.et al. (Ed.) Proc. 7th Int. Kimb. Conf. Cape Town vol. 1 1999 307-313 Red Roof Design Cape Town
16. Haggerty S.E. Kimberlites in Western Liberia: an overview of the geological setting in a plate tectonic framework J. Geophys. Res. 87 B13 1982 10811-10826
17. Haggerty S.E. Diamonds in West Africa: tectonic setting and kimberlite productivity Russ. Geol. Geophys. 33 10 1992 35-49
18. Haggerty S.E. Bence R.J. McMahon B.M. Kimberlites in Western Liberia: Part 3 mineral chemistry Abstracts vol. 2 1979 Cambridge
19. Hall P.K. The diamond fields of Sierra Leone Geol. Surv. Sierra Leone Bull. 5 1 1972 (133 pp.)
20. Hargraves R.B. Southern Africa and the Cretaceous apparent polar wander curve for Africa J. Geophys. Res. 94 B2 1989 1851-1866
21. Hawthorne J.B. Model of a kimberlite pipe Phys. Chem. Earth 9 1975 1-15
22. Hubbard F.H. The Phanerozoic cover sequences preserved as xenoliths in the kimberlites of eastern Sierra Leone Geol. Mag. 120 1983 67-71
23. 39Ar Laser probe analyses of phlogopite from two samples from the Weasua area, Western Liberia. Unpublished De Beers data.
24. Koslov I.T. The Geology and petrography of kimberlites in Guinea Sov. Geol. 9 6 1966 113-125
25. Macfarlane A. Crowe M.J. Arthurs J.W. Wilkinson A.F. Aucott J.W. The geology and mineral resources of northern Sierra Leone Overseas Memoir 7, Inst. Geol. Sci. 1981 Her Majesty's Stationary Office London 103 pp.
26. Ringwood A.A. Major B.B. Synthesis of majorite and other high pressure garnets and perovskites EPSL 12 1971 411-418
27. Rombouts L. Geology and evaluation of the Guinea diamond deposits Ann. Soc. Geol. Belg. 100 1988 241-259
28. Skinner E.M.W. Contrasting Group I and Group II kimberlite petrology: towards a genetic model for kimberlites Ross J.et al. (Ed.) Proc. 4IKC. Kimberlites and Related Rocks vol. 1 1989 528-544 Blackwell Carlton, Vic.
29. Skinner E.M.W. Clement C.R. Mineralogical classification of southern African kimberlites. Proc. 2IKC. Kimberlites Boyd F.R. Meyer H.O.A. Diatremes and Diamonds 1979 129-139 American Geophysical Union Washington
30. Skinner E.M.W. Marsh J.S. Kimberlite eruption processes 8th Int. Kimb. Conf. Long Abstract vol. 40 2003 Victoria, BC
31. Skinner E.M.W. Clement C.R. Gurney J.J. Apter D.B. Hatton C.J. The distribution and tectonic setting of South African Kimberlites Russ. Geol. Geophys. 33 10 1992 26-31
32. Smith C.B. Gurney J.J. Skinner E.M.W. Clement C.R. Ebrahim N. Geochemical character of Southern African Kimberlites: a new approach based on isotopic constraints Trans. Geol. Soc. South Afr. 88 1985 267-280
33. 13C and nitrogen characteristics of deep diamonds Contrib. Miner. Petrol. 142 2002 465-475
34. Stracke, K.J., 1977. The Sierra Leone diamond deposits. An appraisal of their remaining potential on the basis of geological considerations. Stockdale Prospecting, Australia. Unpublished Internal report.
35. Sutherland D.G. Drainage basin evolution in southeast Guinea and the development of diamondiferous placer deposits Econ. Geol. 88 1993 44-54
36. Taylor W.R. Tompkins L.A. Haggerty S.E. Comparative geochemistry of West African kimberlites: evidence for a micaceous end member of sublithospheric origin Geochim. Cosmochim. Acta 58 19 1994 4011-4037
37. Tompkins, L.A. 1983. The Koidu kimberlite complex, Sierra Leone, West Africa. MSc thesis. University of Massachusetts. 340 pp.
38. Tompkins L.A. Haggerty S.E. The Koidu kimberlite complex, Sierra Leone: geological setting, petrology and mineral chemistry Proc. 3rd Int. Kimb. Conf. Clermont-Ferrand vol. 1 1984 83-105 Elsevier Amsterdam
39. Tompkins L.A. Haggerty S.E. Groundmass oxide minerals in the Koidu kimberlite dikes, Sierra Leone, West Africa Contrib Miner. Petrol. 91 1985 245-263
40. Venkatakrishnan R. Culver S.J. Tectonicfabric of Sierra Leone, West Africa: implications for Mesozoic continental breakup J. Geol. Soc. (Lond.) 146 1989 991-1002
41. Williams H.R. Williams R.A. Kimberlites and plate-tectonics in West Africa Nature 270 1977 507-508