Geochemical studies of rare earth elements in the Portuguese Pyrite Belt, and geologic and geochemical controls on gold distribution /
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| Hlavní autoři: | , , , , |
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| Další autoři: | , |
| Typ dokumentu: | Kniha |
| Jazyk: | Angličtina |
| Vydáno: |
Washington :
United States Government Printing Office,
1998
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| Edice: | Geological Survey professional paper ;
1596-A-B |
| Témata: |
Obsah:
- A. Rare earth element distribution in the volcanic lithostratigraphic units of the Portuguese Pyrite Belt / by David J. Grimes, Robert L. Earhart, and Delfim de Carvalho
- B. Geologic setting and geochemical cintrols on the distribution of gold in the Portuguese Pyrite Belt / by Robert L. Earhart, Delfim de Carvalho, Vitor Oliveira, Jose T. Oliveira, and Paulo Castro