Lapido-Loureiro, F. D. V. (1968). Sub-volcanic carbonatite structures of Angola. In Proceedings of the International Geological Congress, Report of the twenty-third session, Prague (Vol. 2, pp. 147-161).

Torquato, J. R. (1977). GEOTECTONIC OUTLINE OF ANGOLA. Cahiers de l'Office de la Recherche Scientifique et Technique Outre-Mer. Paris, Serie Geologie, 9, 15-34.

Allsopp, H. L., & Hargraves, R. B. (1985). Rb-Sr ages and palaeomagnetic data for some Angolan alkaline intrusives. Transactions of the Geological Society of South Africa, 88(2), 295-299.

Issa Filho, A. B. R. M. D., Dos Santos, A. B. R. M. D., Riffel, B. F., Lapido-Loureiro, F. E. V., & McReath, I. (1991). Aspects of the geology, petrology and chemistry of some Angolan carbonatites. Journal of Geochemical Exploration, 40(1-3), 205-226. doi.org/10.1016/0375-6742(91)90039-W

Alberti, A., Castorina, F., Censi, P., Comin-Chiaramonti, P., & Gomes, C. B. (1999). Geochemical characteristics of Cretaceous carbonatites from Angola. Journal of African Earth Sciences, 29(4), 735-759. doi.org/10.1016/S0899-5362(99)00127-X

Reference Search (possible matching items)

	Bambi, A. C. J. M., Costanzo, A., Gonçalves, A. O., Melgarejo, J. C. (2012) Tracing the chemical evolution of primary pyrochlore from plutonic to volcanic carbonatites: the role of fluorine. Mineralogical Magazine, 76 (2) 377-392 doi:10.1180/minmag.2012.076.2.07	Journal (article/letter/editorial)
	Agostinho Neto, Av. 4 de Fevereiro 7, 815 Luanda, Angola Earth and Ocean Sciences, School of Natural Sciences...of pyrochlores during magmatic evolution: the Tchivira carbonatites occur in a plutonic complex, the...Catanda carbonatites are volcanic in origin. In Tchivira pyrochlore, zoning is poorly developed; ﬂuorine...contents are lower than those in the pyrochlores from Tchivira; and as substitution of Na at the A site increases...exsolution in the volcanic carbonatites. K EY WORDS : Angola, carbonatite, zonation in pyrochlore, ﬂuorine,

Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 25, 2024 10:06:04

Go to top of page

Orthoclase from Mount Tchivira, Quilengues, Huíla Province, Angola

Orthoclase from
Mount Tchivira, Quilengues, Huíla Province, Angola