WVGES Trace Elements in West Virginia Coals

Click Here To Go To Trace Elements Framed Home Page DYSPROSIUM (Dy)

Dysprosium Stratigraphic DistributionDysprosium Geographic DistributionDysprosium Summary Statistics

Dysprosium is one of the rare earth elements (REE) present in West Virginia coals with little environmental impact.

Geologic Occurrence: Dysprosium occurs in minor amounts in the trace minerals monazite and allanite 1. Monazite was found in trace amounts in 22 of 24 coal samples examined using scanning electron microscopy (SEM) in an unpublished study by the WVGES. Dysprosium was detected in only 77 of 456 samples of West Virginia coals analyzed and averaged 2.03 ppm on a whole coal basis. Dysprosium correlated poorly with ash yield, other rare earth elements, especially those in monazite, and with several ash related elements, but showed no distribution trends in stratigraphy. Coal samples with detectable Dy were all located in southern West Virginia with most coals <2 ppm Dy.

Economic Impact: Dysprosium in coal is of no economic impact.  Dysprosium has few economic applications or uses 2.

Environmental Impact: Rare earth elements, dysprosium in particular, have no environmental impact in coal mining or utilization 1.

    1. Swaine, D.J., (1990)
    2. CRC Handbook of Chemistry and Physics
To request specific information from a Survey geologist click here.

WVGES Welcome Page

Page last revised: March 2, 2002

Please send questions, comments, and/or suggestions to webmaster.
Page created and maintained by:
            West Virginia Geological & Economic Survey
  Address:  Mont Chateau Research Center
            Cheat Lake exit off I-68
            P.O. Box 879
            Morgantown, WV  26507-0879
Telephone:  1-800-WV-GEOLOgy (1-800-984-3656) or 304-594-2331
      FAX:  304-594-2575
    Hours:  8:00 a.m. - 5:00 p.m. EST, Monday - Friday
Permission to reproduce this material is granted if acknowledgment is given to the West Virginia Geological and Economic Survey.