USGS Geoscience Data Catalog
Additional USGS Geoscience data can be found by geographic location or by publication series.
Orris, Greta J., and Grauch, Richard I., 2002, Rare Earth Element Mines, Deposits, and Occurrences: U.S. Geological Survey Open-File Report 02-189, U.S. Geological Survey, Tucson, AZ.
Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitude and longitude values are specified in degrees, minutes, and seconds.
1. Deposit Type 2. Deposit or District Name 3. Country 4. State or Province 5. Source of Location Information 6. Tonnage-grade - resource tonnage and grade estimates 7. Source - Source of tonnage-grade data, dates of estimates 8. Production Status - active or past mine, potential resource, occurrence 9. Rare Earth Minerals - rare earth-bearing minerals 10. Other Ore or Significant Minerals 11. Gange and Rock-Forming Minerals 12. Age - mineralization age with age-dating method, mineral, and rock when available 13. Host Rock(s) 14. Company 15. Comments 16. References
G.J. Orris and R.I. Grauch compiled the data on world Rare earth mines, deposits, and occurrences from previously published compilations, new published sources, "gray" literature, company internet sites, USGS databases, and other sources. Locations were commonly taken from published sources, no effort was made to determine the correctness of these data. Other locations were found using the GEOnet Names server on the National Imagery and Mapping Agency's website, www.nima.mil, and other on-line gazeteers. Still other locations were determined using available maps of varying scales. Most of the latitudes- longitudes are believed to be within 5 minutes of their true locations, but some locations from published sources may be even less accurate.
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This dataset was compiled for the University of Arizona's Center for Mineral Resources Rare Earth monograph, a summary document intended to reflect our current knowledge of the geology and mineral economics of the rare earths, including yttrium.
Person who carried out this activity:
(520) 670-5583 (voice)
The accuracy of file data attributes is highly variable, especially for some parts of Africa and Asia. Most locations are believed to be within 2-5 minutes of the exact location; some locations are for the nearest town, and other locations are of undetermined accuracy. Location errors are a result of inadequate or incorrect original data, error caused by multiple locations with the same name, and error introduced by data entry or location format conversion. The data tables were spot-checked against the original data.
The latitudes and longitudes were largely taken from published data or determined from descriptions of the location using the maps available to us or internet-based gazeteers such as the GEOnet names server on the National Imagery and Mapping Agency's database. The accuracy of these locations varies with the detail of the original information.
This report is the most complete compilation of rare earth mines, deposits, and occurrences known. However, it is highly likely that there are additional occurrences of rare earths that are not included. In addition, data for many of the sites are incomplete. Determination of latitudes and longitudes for some sites were impossible given the available data.
Point data are given in degrees and minutes.
Are there legal restrictions on access or use of the data?
- Access_Constraints: None.
- This digital database is not meant to be used or displayed at any scale larger than 1:1,000,000.
USGS Open-File Report 02-189
The U.S. Geological Survey (USGS) provides these geographic data "as is." The USGS makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. The USGS further makes no warranties, either expressed or implied as to any other matter whatsoever, including, without limitation, the condition of the product, or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers at the USGS, no warranty, expressed or implied, is made by the USGS regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty. In no event shall the USGS have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by USGS.
|Data format:||Location data, commodity information, mineral economic data, and geologic data for rare earth mines, deposits, and occurrences of the world. in format XLS (version 98) Size: 0.35 megabytes|