MRERP Report G12AP20052

Mineral Resources External Research Program Award G12AP20052 Final Report - Collaborative Research with the University of Nebraska and University of Colorado on the Age and Origin of the REE-Rich Elk Creek Carbonatite, Southeast Nebraska, USA.  [pdf, 740 KB]

“Research supported by the U.S. Geological Survey (USGS) under number G12AP20052. The views and conclusions contained in this document are those of the non-USGS authors and should not be interpreted as necessarily representing the views, official policies, either expressed or implied, of the U.S. Government.”