National Geologic Map Database
Product Description Page
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Title: Carbonatites of the world, explored deposits of Nb and REE -- database and grade and tonnage models
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Author(s): Berger, V, I., Singer, D.A., and Orris, G.J.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Open-File Report OF-2009-1139
- Publication Date: 2009
- Map Scale: 1:196,000,000
- Cross Section: None
- North Latitude: 90° 0' 0" N (90.0000)
- South Latitude: 90° 0' 0" S (-90.0000)
- East Longitude: 0° 0' 0" E (0.0000)
- West Longitude: 180° 0' 0" W (-180.0000)
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