World class RE mine reopens

摘要

CHEVRON MINING INC.has successfully restarted extraction circuits at its world class underground rare earth(RE)mine at Mountain Pass.The California RE operation produces lanthanum concentrate and didymium(75% neodymium,25% praseodymium)product from stockpiled RE concentrates,and its bastnasite resource is the largest and richest developed deposit mined exclusively for REs in the world.