TY  - RPRT
TI  - Silt fraction heavy-mineral distributions in a lateritic environment: The rivers and insular shelf of north-central Puerto Rico
AU  - L. J. Poppe
AU  - J.A. Commeau
AU  - G. Luepke
PY  - 1995
DO  - 10.1016/0037-0738(94)00114-a
UR  - https://pubs.usgs.gov/publication/70019612
ID  - 70019612
ER  -