|
Madagascar | |
| Nédélec, A. & Grujic, D. (2001) Un nouvel exemple de magmatisme potassique à ultrapotassique: les syénites de l’Andringitra (Madagascar). Earth and Planetary Sciences, 332:739–74 |
| Michel Arliguie collection & photo (photo id ID: 905771), Ex J. Behier collection |
| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
| Rakotonandrasana, N. O. T., Arima, M., Miyawaki, R., Rambeloson, R. A. (2010) Widespread Occurrences of Hogbomite-2N2S in UHT Metapelites from the Betroka Belt, Southern Madagascar: Implications on Melt or Fluid Activity during Regional Metamorphism. Journal of Petrology, 51 (4) 869-895 doi:10.1093/petrology/egq004 |
| Hänni, H. A., Klein, H. H. (1982) Ein Smaragdvorkommen in Madagascar. Gemmologie, Zeitschrift der Deutschen Gemmologischen Gesellschaft, 31 (1/2) 71-77 |
Bekisopa iron deposit, Tanamarina Bekisopa, Ikalamavony District, Haute Matsiatra, Madagascar