@inproceedings{inproceedings718c862f,
title   = {Weathering and supergene copper enrichment on the biotites of the copper ore deposit of salobo 3a, Serra dos Carajas, Brazil},
author = {Toledo, Maria Cristina Motta de and Parisot, J. C. and Melfi, Adolpho José},
year = {1986},
booktitle   = {Congress Geochemistry of the Earth Surface and Processes of Mineral Formation}
}