TY - RPRT TI - A major light rare-earth element (LREE) resource in the Khanneshin carbonatite complex, southern Afghanistan AU - Robert D. Tucker AU - Harvey E. Belkin AU - Klaus J. Schulz AU - Stephen G. Peters AU - Forrest Horton AU - Kim Buttleman AU - Emily R. Scott PY - 2012 DO - 10.2113/econgeo.107.2.197 UR - https://pubs.usgs.gov/publication/70044201 ID - 70044201 ER -