At Ankerotsy there has been several small workings (total 5) after thorianite embedded in a mineralized marble (cipolin).The most important is the deposit called "Ankerotsy I-D". The localities is situated about 10 km south of Tranomaro in the southeastern part of Madagascar.
References
- Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 73
- Besairie, H. (1966): Les Gites Minéraux de Madagascar. Annales Géologiques de Madagascar, Tananarive, 34, p 397
Mineral List
5 entries listed. 4 valid minerals.
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