Rare Earth Elements: A Review of Production, Processing ...

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Rare Earth Elements Review Appendix B – REE Mines and Mineral Deposits in the U.S. State / Province Deposit Type Other Igneous- Affiliated (including Pegmatites and Veins) Idaho (cont.) Phosphorite Map Reference No (Figure 3-1) Deposit Name Status Company Comments 286 Hall Mountain Group Orris, et al. a Long, et al. b Gupta, et al. c Occurrence — Mining ceased in the 1940's. � � � — 733 Smoky Canyon Byproduct producer? — P mine. � � � — 719 Blackfoot Bridge Occurrence — ? 0.1% REE in P ore. � � � — 721 Caldwell Canyon Occurrence — ? 0.1% REE in P ore. � � � — 722 Champ Occurrence — ? 0.1% REE in P ore. Phosphate mining ceased in 1986. � � � — 725 Gay and South Forty Occurrence — ? 0.1% REE in P ore. � � � — 727 Husky Occurrence — ? 0.1% REE in P ore. � � � — 730 Mountain Fuel Occurrence — ? 0.1% REE in P ore. � � � — 731 North Henry Occurrence — ? 0.1% REE in P ore. � � � — 735 Trail Creek Occurrence — ? 0.1% REE in P ore. � � � — 726 Henry Past byproduct producer? — ? 0.12% REE in P ore. � � � — 729 Maybe Canyon (Maybie) Past byproduct producer? 736 Wooley Valley Past byproduct producer? 734 Swan Lake Gulch Potential producer Schüler, et al. d — ? 0.1% REE in P ore. � � � — — ? 0.11% REE in P ore. � � � — — Production planned for 2004. � � — — 723 Conda — ? 0.1% REE in P ore. Phosphate mining ceased in 1984. B-4 � � � —
Rare Earth Elements Review Appendix B – REE Mines and Mineral Deposits in the U.S. State / Province Deposit Type Idaho (cont.) Idaho/ Caribou Idaho/ Valley County Placer, Alluvial Other Igneous- Affiliated (including Pegmatites and Veins) Placer, Alluvial Map Reference No (Figure 3-1) Deposit Name Status Company Comments 624 Chamberlin District 667 Ramey Meadows Orris, et al. a Long, et al. b Gupta, et al. c Occurrence — — � � — Occurrence — — � � — — 650 Long Valley Past producer — — — � — — 663 Pearsol Creek — — � � � — 283 Diamond Creek Prospect — — � � � — 670 Ruby Meadows — Merlin Mining NL (1987) 632 Gold Fork-Little Valley 7 claims near Burgdorf. Preliminary estimates indicate about 100 Mm3 with ama 0.16% Y and 0.85 g/t Ta. Schüler, et al. d � � — — Occurrence — Past gold placer producer. � � � — 279 Big Creek Past producer — — � � � — 619 Bear Valley Small past producer — Includes Porter placer. � � � — Illinois Carbonatite 35 Hicks Dome Potential resource — Ore contains 0.42% REO and 0.15% ThO2. � � � — Missouri Hydrothermal Fe- 274 Pea Ridge Potential — 95 km SW of St. Louis. � � — � Oxide resource 11 Bearpaw Mountains Occurrence — Lat-long is for the Rocky Boy stock. � — — — Carbonatite (Rocky Boy) 74 Ravalli County Occurrence — REE in carbonate veins and dikes in metamorphic � — — — Montana rocks. Metamorphic 345 Sheep Creek Past small producer — — � — — — Other- F 747 Snowbird Occurrence — Hydrothermal fluorite and quartz-bearing carbonate � — — — Deposits veins. Nebraska Carbonatite 26 Elk Creek — Near Usakos. REE 0.35-1.86% in carbonatite 200 m below Quaternary and Pennsylvanian sediments. � � — � B-5
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Rare Earth Elements Review Table of
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Foreword The U.S. Environmental Pro
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Abstract Rare earth elements (REEs)
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Table of Contents List of Acronyms
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List of Tables 2-1. Abundance of El
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Rare Earth Elements Review List of
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Rare Earth Elements Review Section
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