Fen

Carbonatite rare earth element deposit in , Norway

Deposit type: Carbonatite

REE minerals: monazite, synchysite, parisite, bastnäsite

Ore minerals: hematite, pyrochlore, apatite, magnetite, fluorite, zircon, barite, Th

Gangue minerals: calcite, tremolite, mica, topaz, zoisite

Host rock types: ankerite carbonatite, hematite-rich carbonatite

Average grade:

Status: Past Nb-Fe producer; REE occurrence

Company:

Resource estimates:

Past production of Fe and Nb. REE are highest in rodberg that is red from finely dispersed hematite.

References

  1. https://en.wikipedia.org

  2. http://mrdata.usgs.gov/ree/show-ree.php?rec_id=28