| Chunzeng Wang, John F. Slack, Anjana K. Shah, Martin G. Yates, David R. Lentz, Amber T.H. Whittaker, Robert G. Marvinney A RECENTLY DISCOVERED TRACHYTE-HOSTED RARE EARTH ELEMENT-NIOBIUM-ZIRCONIUM OCCURRENCE IN NORTHERN MAINE, USA. Economic Geology 2022 doi: https://doi.org/10.5382/econgeo.4993 |