 | | Journal (article/letter/editorial) | | solid solution series between magnesio-arfvedsonite and magnesio-riebeckite which coexist with varying proportions...ratio [100Fe 3+/ (Fe 3§ + Fe 2+)] decreases in the magnesio-arfvedsonite for the first 30 metres from the...carbonatite contact, and then increases in the magnesio-riebeckite from 40 to 60 metres from the carbonatite...series between magnesioarfvedsonite and magnesio-riebeckite not previously reported. The chemistry of...solid solution series between magnesio-arfvedsonite and magnesio-riebeckite (IMA nomenclature; Leake, 1978) |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | 125 Dysart Road, Winnipeg, Manitoba, R3T 2N2, Canada c GeoAfrica, P.O. Box 24218, Windhoek, Namibia...However, mineral assemblages are highly variable and de- 18 pendent on a number of parameters such as protolith...(e.g. Mitchell, 2015); carbonatite at St Honoré, Canada (Mitchell, 91 2015); and the nepheline syenite...Woolley, 1988). The intensity of fenitization typically de- 266 creases with distance from the source intrusion...brecciation (Woolley, 1982), also reported at Wicheeda, Canada (Tro- 400 fanenko et al., 2014). In addition |  | | Report (volume) | | be communicated. Frank C. Hawthorne, Winnipeg, Canada Roberta Oberti, Pavia, Italy Giancarlo Della Ventura...University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada frank_hawthorne@umanitoba.ca Roberta Oberti Istituto...et al. 2006). Eeckhout and De Grave (2003) report measurements on riebeckite indicating that the recoil-free...the same. ACKNOWLEDGMENTS FCH was supported by a Canada Research Chair in Crystallography and Mineralogy...Natural Sciences and Engineering Research Council of Canada. In addition, much of the work reviewed here was |
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