Longitude: -53.82, Latitude: 0.22
Apupariu consists of three intrusions which have been identified by radar imagery, and interpreted as alkaline by comparison with known intrusions in the area, but they have not been sampled.
LIMA, M.I.C. de, et al., 1974. DNPN. Projeto Radambrasil. Folha NA/NB.22 Macapa. Levantamento de Recursos Naturais, Geologia, 6. (not seen). ISSLER, R.S., LIMA, M.I.C. de, MONTALVAO, M.B.G. de and SILVA, G.G. da, 1975. Intrusivas feldspatoididas no Craton Guianes. Congresso Ibero-Americano de Geologia Economica, II: 363-82