1. Preface to the MME Special Issue on Critical Minerals Part I

   • Virginia T. McLemore

   Editorial 21 August 2019 Pages: 857 - 859

2. Episyenites—Characteristics, Genetic Constraints, and Mineral Potential

   • E. Suikkanen
   • O. T. Rämö

   Review Article Open access 07 August 2019 Pages: 861 - 878

   

3. Petromineralogical Studies of Late Paleocene–Middle Eocene Phosphate Nodules in the Subathu Basin of Solan District, Himachal Pradesh

   • Mohd Shuaib
   • K. F. Khan
   • Shamim A. Dar

   OriginalPaper 19 June 2019 Pages: 879 - 888

   

4. A Field Survey of Rare Earth Element Concentrations in Process Streams Produced by Coal Preparation Plants in the Eastern USA

   • Gerald H. Luttrell
   • Michael J. Kiser
   • Rick Q. Honaker

   OriginalPaper 19 August 2019 Pages: 889 - 902

   

5. The Occurrence and Concentration of Rare Earth Elements in Acid Mine Drainage and Treatment By-products: Part 1—Initial Survey of the Northern Appalachian Coal Basin

   • Christopher R. Vass
   • Aaron Noble
   • Paul F. Ziemkiewicz

   OriginalPaper 25 June 2019 Pages: 903 - 916

   

6. The Occurrence and Concentration of Rare Earth Elements in Acid Mine Drainage and Treatment Byproducts. Part 2: Regional Survey of Northern and Central Appalachian Coal Basins

   • Christopher R. Vass
   • Aaron Noble
   • Paul F. Ziemkiewicz

   OriginalPaper 01 October 2019 Pages: 917 - 929

   

7. Application of PVC as Novel Roasting Additive in Vanadium Extraction from Stone Coal

   • Tiejun Chen
   • Qiyong Li
   • Junying Wan

   OriginalPaper 22 May 2019 Pages: 931 - 939

   

8. H₃PO₄ Production Process Utilizing Phosphatic Clay as Feed Material

   • Matthew Gordy
   • Robert M. Counce
   • Jack S. Watson

   OriginalPaper 06 May 2019 Pages: 941 - 948

   

9. Upgrading of Phosphate Fines by Fatty Acid Flotation Using Amylase Enzyme as a Surface Modifier

   • A. Yehia
   • K. E. Yassin
   • M. Amar

   OriginalPaper 21 August 2019 Pages: 949 - 955

   

10. A Micro-Scale Investigation of the Adsorption of Collectors on Bastnaesite

    • Jinhong Zhang
    • Dongbo An
    • James Withers

    BriefCommunication 06 August 2019 Pages: 957 - 966

    

11. Selective Precipitation of High-Quality Rare Earth Oxalates or Carbonates from a Purified Sulfuric Liquor Containing Soluble Impurities

    • Ruberlan Gomes Silva
    • Carlos Antonio Morais
    • Éder Domingos Oliveira

    Review Article 12 June 2019 Pages: 967 - 977

    

12. Circulation of Sodium Sulfate Solution Produced During NiMH Battery Waste Processing

    • Antti Porvali
    • Vivek Agarwal
    • Mari Lundström

    OriginalPaper Open access 12 June 2019 Pages: 979 - 991

    

13. Direct Pressure Alkaline Leaching of Scheelite Ores and Concentrates

    • Patrícia Leitão
    • Aurora Futuro
    • António Fiúza

    OriginalPaper Open access 19 July 2019 Pages: 993 - 1002

    

14. Selective-Reductive Leaching of Manganese from Low-Grade Manganese Ore Using Tannic Acid as Reductant

    • Erik Prasetyo
    • Eti Purwaningsih
    • Widi Astuti

    OriginalPaper 31 July 2019 Pages: 1003 - 1012

    

15. Effect of Base Types on the Properties of MgO Particles Obtained from Dolomite Ore

    • Mahmut Altiner

    OriginalPaper 27 August 2019 Pages: 1013 - 1020

    

16. Leaching Process and Mechanism of Weathered Crust Elution-Deposited Rare Earth Ore

    • Zhengyan He
    • Rong Zhang
    • Jun Qu

    OriginalPaper 08 August 2019 Pages: 1021 - 1031

    

17. 2019 MPD Student Poster Contest – Winning Abstracts

    Abstracts 01 October 2019 Pages: 1033 - 1040