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 Arizona (including Pegmatites and Veins) Arkansas Carbonatite With Residual Enrichment California Colorado Map Reference No (Figure 3-1) Deposit Name Status Company Comments Orris, et al. a Long, et al. b 297 Mineral X Occurrence — — � — — — 306 Signal district Occurrence — — � — — — 128 Magnet Cove Past small producer rut, mag Carbonatite 59 Mountain Pass Current producer Molycorp (2000) Gupta, et al. c Schüler, et al. d — — � — — — Metamorphic 342 Music Valley Occurrence — REE, Nb, and Th occur in veins and carbonatite dikes. Prov ince includes Gem Park, McClure Mtn- Iron Mtn, Democrat Creek, and other occurrences. Other Igneous- Affiliated (including Pegmatites and Veins) 305 Pomona Tile Company — � � � � � � � Occurrence — — � — — — Placer, Shoreline 563 Soledad Occurrence — In Los Angeles County. � — — — 104 Wet Mountains Occurrence — REE, Nb, and Th occur in veins and carbonatite dikes. Province includes Gem Park, McClure Mtn-Iron Mtn, Democrat Creek, and other occurrences. � � � Carbonatite 31 Gem Park Past prod of vrm, Ni, Ag — Carbonatitic dikes. Concentrations of Th, REE, Cu, P, and vermiculite have not been fully appraised. � — — — 36 Iron Hill Ti resource/ Teck — � � � (Powderhorn, prospect Resources Cebolla Creek) Corp. Other Igneous- 307 South Platte Occurrence — — � — — — Affiliated (including Pegmatites and Veins) District B-2
Rare Earth Elements Review Appendix B – REE Mines and Mineral Deposits in the U.S. State / Province Deposit Type Florida Placer, Shoreline Georgia Placer, Shoreline Georgia Florida Idaho Map Reference No (Figure 3-1) Deposit Name Status Company Comments 439 Green Cove Springs Active mine (1999); Past byproduct monazite producer Westralian Sands (1999) Orris, et al. a Long, et al. b Gupta, et al. c Schüler, et al. d Stopped producing mon in 1994. � � � — 495 Maxville Occurrence — Extension of Green Cove Springs deposit. � � � — 575 Trail Ridge (Highland Trail Ridge, Starke Trail Ridge) Occurrence DuPont Marine placer. � � — — 377 Boulougne Past producer Humphrey's Deposit is exhausted. Mining Co. (1979) � � 580 Vero Beach Past small Riz Mineral — � � — — producer byproduct mon Co. (1945) 382 Brunswick- Altamaha Occurrence — Marine placer. � � � — 411 Cumberland Occurrence — Barrier island. In National Park so development � � � — Island unlikely. 428 Folkston Past producer Humphrey's Deposit exhausted. Mining Co. (1979) � � — Placer, Shoreline 611 388 Yulee Cabin Bluff — Occurrence — — — — � � � � — — — Carbonatite 68 North Fork area — — � � — — 337 Indian Creek Occurrence — Includes Wilkey Evans and Reese Esker claims, � � — — District Radiant group. 339 Lemhi Pass Occurrence — Veins. Thorium is dominant mineralization. � � � — Metamorphic 340 Mineral Hill District Occurrence — — � � — — 341 Monumental Summit Occurrence — — � � — — B-3
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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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Page 71 and 72: Rare Earth Elements Review Section
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