A REE (microlite)-Li-Be mine on 2 claims located in the NW¼ NE¼ sec 3, .49N., R.R.3E. New Mexico principle meridian), near Ohio City.
Mineralization is a series of 15 zoned pegmatite dikes (3 detailed), in metadiorite.
Workings include 16 pits, 2 inclines and 2 tunnels.
Refs.:
Rocks & Min.: 24:233-234; 71(3):193.
Pearl, 1958 Colorado Gem Trails & Mineral Guide, pp 59-61.
Oregon Mineralogist 2:23.
American Mineralogist 20:333.
Meeves, H., et al. (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 26 (Table A-1).
For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Brown Derby Mine, Ohio City, Quartz Creek District, Gunnison Co., Colorado, USA
| 'Adularia' - 1Albite - 1, 3'Albite-Anorthite Series' - 2'Apatite' - 1, 6'Aquamarine' - 1Beryl - 1, 5, 6Betafite - 1Biotite - 1'Cleavelandite' - 1Columbite - 1, 3Columbite-(Fe) - 1Columbite-(Mn) - 2Elbaite - 1, 2Euxenite-(Y) - 1, 2'Fergusonite' - 1Fluorite - 1Gahnite - 1'Garnet Group' - 1, 6, 3Lepidolite - 1, 5, 6Magnetite - 1Microcline - 1Microlite - 1, 6'Monazite' - 1, 3 | Monazite-(Ce) - 1Monazite-(Sm) - 2'Morganite' - 1Muscovite - 1Pollucite - 1Pyrochlore - 1Quartz - 1, 3'Rubellite' - 1Rynersonite - 1Samarskite-(Y) - 1Schorl - 1, 3'Sericite' - 1Spessartine - 1Stibiconite - 1Stibiotantalite - 1Tantalite - 1, 2Topaz - 1, 5, 6'Tourmaline' - 4Trilithionite - 1Uranpyrochlore - 2'Verdelite' - 1'Vorobyevite' - 1Zinnwaldite - 3 |
46 minerals listed.
Locality Key| 1 | Brown Derby Mine, Ohio City, Quartz Creek District, Gunnison Co., Colorado, USA | | 2 | Brown Derby No. 1, Brown Derby Mine, Ohio City, Quartz Creek District, Gunnison Co., Colorado, USA | | 3 | Brown Derby No. 2, Brown Derby Mine, Ohio City, Quartz Creek District, Gunnison Co., Colorado, USA |
| | 4 | Brown Derby No. 3, Brown Derby Mine, Ohio City, Quartz Creek District, Gunnison Co., Colorado, USA | | 5 | Brown Derby No. 4 Mine, Brown Derby Mine, Ohio City, Quartz Creek District, Gunnison Co., Colorado, USA | | 6 | Brown Derby No. 5 Mine, Brown Derby Mine, Ohio City, Quartz Creek District, Gunnison Co., Colorado, USA |
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