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
https://en.wikipedia.org
http://mrdata.usgs.gov/ree/show-ree.php?rec_id=28