The Pimenta Bueno kimberlite field, Rondônia, Brazil: Tuffisitic kimberlite and transitional textures

Journal of Volcanology and Geothermal Research

Volumn 174, Issue 1-3, 2008, Pages 81-89

  Masun, K M ^a   Scott Smith, B H ^b  

^a Kennecott Canada Exploration Inc   (Canada)

^b Scott Smith Petrology Inc   (Canada)

Author keywords

Brazil; diatreme; emplacement; kimberlite; transitional textures; tuffisitic

Indexed keywords

IGNEOUS ROCKS; TEXTURES; VOLCANIC ROCKS;

DIATREME; EMPLACEMENT; KIMBERLITE; TUFFISITIC;

STRUCTURAL GEOLOGY;

DIATREME; EMPLACEMENT; HYPABYSSAL ROCK; KIMBERLITE; MAGMA; SILL; TRIASSIC; TUFF; VOLCANICLASTIC DEPOSIT;

BRAZIL; CANADA; LAC DE GRAS; NORTH AMERICA; NORTHWEST TERRITORIES; RONDONIA; SOUTH AMERICA;

EID: 44749087341     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jvolgeores.2007.12.043     Document Type: Article

References (18)

1. Clement, C.R., 1982. A comparative geological study of some major kimberlite pipes in the northern Cape and Orange Free State. Unpublished PhD thesis, University of Cape Town, South Africa. 431 pp.
2. Clement C.R., and Skinner E.M.W. A textural genetic classification of kimberlites. Trans. Geol. Soc. S. Afr. 88 2 (1985) 403-409
3. Clement C.R., and Reid A.M. The origin of kimberlite pipes: an interpretation based on a synthesis of geological features displayed by southern Africa occurrences. Geol. Soc. Australia Spec. Pub. 14 1 (1989) 632-646
4. Field M., and Scott Smith B.H. Textural and genetic classification of kimberlites: a new perspective. Extended Abstracts of the 7th International Kimberlite Conference, Cape Town, South Africa (1998)
5. Field M., and Scott Smith B.H. Contrasting geology and near-surface emplacement of kimberlite pipes in southern Africa and Canada. In: Gurney, et al. (Ed). Proceedings of the 7th International Kimberlite Conference vol. 1 (1999), Red Roof Design, Cape Town 314-237
6. Field M., Gibson J.G., Wilkes T.S., Gababotse J., and Khujwe P. The geology of the Orapa A/K1 kimberlite, Botswana: further insight into the emplacement of kimberlite pipes. Proceedings of the Sixth International Kimberlite Conference, Russian Geology and Geophysics. Kimberlites, Related Rocks and Mantle Xenoliths vol. 38 (1) (1997) 24-39
7. Hetman C.H. Tuffisitic kimberlite: a Canadian perspective on a distinctive textural variety of kimberlite. J. Volcanol. Geotherm. Res. 174 (2008) 57-67 10.1016/j.jvolgeores.2007.12.039 (this issue)
8. Hetman C.M., Scott Smith B.H., Paul J.L., and Winter F. Geology of the Gahcho Kué kimberlite pipes, NWT, Canada: root to diatreme magmatic transition zones. Extended Abstracts, 8th International Kimberlite Conference, Victoria, Canada (2003)
9. Hetman C.M., Scott Smith B.H., Paul J.L., and Winter F. Geology of the Gahcho Kué kimberlite pipes, NWT, Canada: root to diatreme magmatic transition zones. Lithos 76 (2004) 51-74
10. Mitchell, R.H., 2005. Petrographic report on Pimenta Bueno samples: confidential consulting report to Rio Tinto Desenvolvimentos Minerais Ltda., September, 2005.
11. Mitchell R.H. Petrology of hypabyssal kimberlites: relevance to primary magma compositions. J. Volcanol. Geotherm. Res. 174 (2008) 1-8 10.1016/j.jvolgeores.2007.12.024 (this issue)
12. Nowicki T., Porritt L., and Crawford B. Geochemical trends in kimberlites from Ekati, NWT: insights on volcanic and resedimentation processes. J. Volcanol. Geotherm. Res. 174 (2008) 117-127 10.1016/j.jvolgeores.2007.12.030 (this issue)
13. Scott Smith B.H. Canadian kimberlite: geological characteristics relevant to emplacement. J. Volcanol. Geotherm. Res. 174 (2008) 9-19 10.1016/j.jvolgeores.2007.12.023 (this issue)
14. Skinner E.M.W., and Marsh J.S. Distinct kimberlite pipe classes with contrasting eruption processes. Lithos 76 (2004) 183-200
15. Skinner E.M.W. The emplacement of Class 1 kimberlites. J. Volcanol. Geotherm. Res. 174 (2008) 40-48 10.1016/j.jvolgeores.2007.12.022 (this issue)
16. Sparks R.S.J., Baker L., Brown R.J., Field M., Schumacher J., Stripp G., and Walters A. Dynamical constraints of kimberlite volcanism. J. Volcanol. Geotherm. Res. 155 (2006) 18-48
17. Webb K.J., Scott Smith B.H., Paul J.L., and Hetman C.M. Geology of the Victor Kimberlite, Attawapiskat, Northern Ontario, Canada: cross-cutting and nested craters. Lithos 76 (2004) 29-50
18. Woolley A.R., Bergman S.C., Edgar A.D., Le Bas M.J., Mitchell R.H., Rock N.M.S., and Scott Smith B.H. Classification of lamprophyres, lamproites, kimberlites, and the kalsilitic, melilite, and leucitic rocks. Can. Mineral. 34 2 (1996) 175-186