TY  - RPRT
TI  - Geochemical studies of rare earth elements in the Portuguese pyrite belt, and geologic and geochemical controls on gold distribution
AU  - David J. Grimes
AU  - Robert L. Earhart
AU  - Delfim de Carvalho
AU  - Vitor Oliveira
AU  - Jose T. Oliveira
AU  - Paulo Castro
PY  - 1998
DO  - 10.3133/pp1596
UR  - https://pubs.usgs.gov/publication/pp1596
ID  - pp1596
ER  -