About the Special Issue Editor vii -- Simon M. Jowitt Introduction to a Resources Special Issue on Criticality of the Rare Earth Elements: Current and Future Sources and Recycling Reprinted from: Resources 2018, 7, 35, doi: 10.3390/resources7020035 1 -- Virginia T. McLemore Rare Earth Elements (REE) Deposits Associated with Great Plain Margin Deposits (Alkaline-Related), Southwestern United States and Eastern Mexico Reprinted from: Resources 2018, 7, 8, doi: 10.3390/resources7010008 . 5 -- York R. Smith, Pankaj Kumar and John D. McLennan On the Extraction of Rare Earth Elements from Geothermal Brines Reprinted from: Resources 2017, 6, 39, doi: 10.3390/resources6030039 49 -- Elizabeth J. Catlos and Nathan R. Miller Speculations Linking Monazite Compositions to Origin: Llallagua Tin Ore Deposit (Bolivia) Reprinted from: Resources 2017, 6, 36, doi: 10.3390/resources6030036 65 -- Wei Chen, Huang Honghui, Tian Bai and Shaoyong Jiang Geochemistry of Monazite within Carbonatite Related REE Deposits Reprinted from: Resources 2017, 6, 51, doi: 10.3390/resources6040051 83 -- Jaroslav Dostal Rare Earth Element Deposits of Alkaline Igneous Rocks Reprinted from: Resources 2017, 6, 34, doi: 10.3390/resources6030034 98 -- Claire L. McLeod and Mark. P. S. Krekeler Sources of Extraterrestrial Rare Earth Elements: To the Moon and Beyond Reprinted from: Resources 2017, 6, 40, doi: 10.3390 |