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Regional Report: Summit Co., Colorado, USA

For full locality listing click here. Alternatively: Click here for heirarchical list of localities in Summit Co., Colorado, USA

  • Acanthite - 53, 243, 19, 24, 33, 51, 101, 122, 257, 89, 394, 159, 366
  • Aikinite - 210
  • Alabandite - 243, 374
  • 'Allanite' - 38, 171
  • Almandine - 67, 196, 231, 78
  • 'Amphibole Group' - 38, 286, 127
  • Andalusite - 210
  • 'Andesine' - 38
  • Andradite - 117, 78, 41, 45, 127, 90, 302
  • Anglesite - 171, 56, 257, 289
  • Anhydrite - 144
  • Ankerite - 210, 24, 290, 385, 128
  • Arsenopyrite - 70, 77, 190, 272, 373
  • Augite - 38
  • Azurite - 38, 210, 92
  • Baryte - 210, 171, 42, 59, 122, 190, 233, 252, 257, 279, 290, 387, 390, 367, 157, 258
  • Benjaminite - 210
  • Berryite - 210
  • Beryl - 136, 208
  • Beudantite - 241, 368, 367
  • Biotite - 171
  • Birnessite - 210
  • Bismite - 210
  • Bismuth - 117
  • Bismuthinite - 210, 392, 117, 153, 394, 18
  • Bornite - 176, 209
  • Boulangerite - 209
  • Bournonite - 209
  • Bromargyrite - 209
  • Calcite - 106, 210, 171, 100, 182, 197, 252, 374, 390, 127, 90
  • Cerussite - 38, 210, 171, 92, 241
  • Chalcanthite - 210, 272
  • Chalcopyrite - 26, 210, 171, 33, 63, 74, 136, 138, 176, 189, 190, 201, 208, 218, 222, 227, 247, 249, 257, 272, 274, 279, 290, 387, 209, 375, 207, 69, 366
  • Chlorargyrite - 38, 171, 241
  • 'Chlorite Group' - 38, 171, 111, 286
  • Chrysocolla - 38, 210, 22
  • Copper - 17, 74
  • Covellite - 390
  • Cubanite - 218, 366
  • Cuprobismutite - 210
  • Diadochite - 157
  • Diaspore - 210
  • Dickite - 293
  • Dolomite - 243, 144
  • Epidote - 210, 41, 127, 90
  • Epsomite - 210
  • Eskimoite - 394
  • 'Feldspar Group' - 200
  • Ferrimolybdite - 151, 259
  • Fizélyite - 209
  • Fluorite - 392, 143
  • Freibergite - 227
  • Galena - 26, 243, 210, 392, 382, 171, 17, 24, 42, 46, 51, 56, 59, 63, 74, 77, 79, 88, 100, 102, 122, 153, 160, 189, 190, 192, 197, 201, 204, 208, 212, 218, 222, 233, 244, 246, 247, 249, 252, 257, 260, 267, 272, 274, 279, 290, 373, 374, 379, 385, 387, 390, 368, 128, 207, 69, 303
  • Galenobismutite - 210, 394
  • 'Garnet Group' - 210
  • Geocronite - 190, 209
  • Goethite - 38, 275
  • Gold - 38, 106, 133, 392, 382, 24, 31, 46, 136, 160, 172, 204, 228, 249, 321, 377, 18, 124, 283
  • Goslarite - 210
  • Graphite - 210
  • Gypsum - 38, 144
  • Hammarite - 210
  • Hematite - 38, 210, 33, 111, 286, 127, 90
  • Hemimorphite - 210
  • Hinsdalite - 289, 365, 65
  • 'Hornblende' - 171
  • Hübnerite - 176, 218
  • Hypersthene - 38
  • Idaite - 218
  • Iridium - 127, 124
  • Jalpaite - 390, 209
  • Jarosite - 38, 257, 296
  • Jordanite - 387
  • Joséite-B - 287
  • Kaolinite - 38, 392
  • Lead - 38
  • Lillianite - 210, 144
  • Limonite - 106, 171, 70, 228, 241, 252, 275, 373, 289, 65, 276, 242, 258
  • Magnetite - 210, 111, 286, 90
  • Malachite - 38, 210
  • 'Manganoan Siderite' - 387
  • Marcasite - 171, 153, 190, 252
  • Matildite - 374, 394, 205
  • Melanterite - 210, 65
  • Miargyrite - 210, 159
  • Microcline - 38, 210
  • Molybdenite - 171, 138, 151, 173, 176, 218, 259, 90, 144
  • Muscovite - 38, 210, 171
  • Opal - 247
  • Orthoclase - 38, 210, 171, 213, 225
  • Ourayite - 394
  • Pavonite - 209, 365
  • Pearceite - 210, 19, 51, 101, 247, 257, 78, 367, 140, 15
  • 'Pearceite-T2ac' - 394
  • Platinum - 124
  • Polybasite - 210, 19, 101, 257, 394, 128
  • Proustite - 53, 24, 257
  • 'Psilomelane' - 210, 171, 226
  • Pyrargyrite - 26, 210, 19, 24, 51, 101, 257, 394, 128, 159
  • Pyrite - 38, 26, 243, 256, 392, 382, 171, 42, 46, 70, 77, 79, 100, 111, 114, 136, 138, 153, 160, 168, 190, 197, 201, 204, 208, 212, 218, 233, 241, 252, 257, 260, 262, 272, 279, 286, 290, 321, 373, 379, 385, 386, 78, 90, 302, 18, 209, 375, 157, 144, 365, 69, 366
  • Pyrolusite - 210, 171, 226
  • Pyromorphite - 207, 258, 69
  • Pyrophyllite - 210
  • Pyrrhotite - 171, 70, 114, 262, 373, 391
  • Quartz - 38, 26, 210, 392, 171, 60, 24, 33, 42, 46, 59, 77, 88, 101, 111, 136, 153, 189, 190, 218, 241, 247, 249, 252, 257, 272, 286, 290, 379, 387, 390, 394, 127, 368, 367, 18, 209, 157, 293, 144, 207
  • Rhodochrosite - 243, 392, 19, 101, 257, 374, 144, 159, 141
  • Rhodonite - 252
  • 'Ruby Silver Ore' - 26
  • Sanidine - 171, 60
  • Scheelite - 176, 218
  • Schirmerite - 210, 394
  • Scolecite - 371
  • Scorodite - 77
  • Semseyite - 190, 209
  • 'Sericite' - 210, 171
  • Siderite - 171, 24, 33, 79, 182, 260
  • Sillimanite - 210
  • Silver - 38, 210, 24, 46, 59, 70, 100, 160, 172, 197, 204, 214, 252, 257, 242, 128, 30
  • Skutterudite - 366
  • Smithsonite - 210, 70, 220, 252, 260, 242, 193
  • 'Smoky Quartz' - 60, 200
  • Sphalerite - 26, 210, 392, 382, 171, 24, 33, 46, 51, 59, 63, 70, 74, 77, 79, 88, 100, 102, 122, 138, 153, 160, 168, 189, 190, 192, 197, 201, 208, 212, 218, 222, 233, 246, 249, 252, 257, 260, 272, 279, 290, 373, 374, 379, 385, 386, 368, 375, 144, 365, 65, 128, 207, 69, 303
  • Stephanite - 210, 51, 257
  • Stromeyerite - 28, 210, 390, 209, 174
  • Sulphur - 38, 210, 374
  • Talc - 210
  • Tennantite - 210, 247, 387, 207
  • Tetradymite - 136
  • Tetrahedrite - 26, 210, 382, 19, 59, 63, 74, 88, 101, 190, 233, 247, 249, 257, 290, 379, 387, 289, 207, 69
  • Titanite - 38
  • Topaz - 60
  • Tremolite - 210
  • Tridymite - 200
  • Tungstite - 218
  • Turgite - 275
  • Vanadinite - 38
  • 'Wad' - 38, 210, 171, 228, 241
  • Wittichenite - 218
  • Wolframite - 249
  • Wollastonite - 171
  • Wulfenite - 38
  • Zircon - 38


    • 142 minerals listed.

    Locality Key
    1Adrian Shaft, Montezuma Area, Summit Co., Colorado, USA
    2Aladdin, Montezuma Area, Summit Co., Colorado, USA
    3Alice A Tunnel, Breckenridge District, Summit Co., Colorado, USA
    4Allen - Emory Mine, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    5Allen Emory, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    6Alva, Swandyke Area, Summit Co., Colorado, USA
    7American Gulch Placer, Summit Co., Colorado, USA
    8American Metels Incline, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    9Anderson Tunnel, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    10Aorta No. 1, Montezuma Area, Summit Co., Colorado, USA
    11Arabella Mine, Swandyke Area, Summit Co., Colorado, USA
    12Arapaho, Montezuma Area, Summit Co., Colorado, USA
    13Arctic; Golden Beaver, Monte Cristo Area, Summit Co., Colorado, USA
    14Argentine District, Summit Co., Colorado, USA
    15Argentine Pass, Summit Co., Colorado, USA
    16Armstrong, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    17Arrastre Queen Mine (Rochester Queen), Swandyke Area, Summit Co., Colorado, USA
    18Artic Vein, Breckenridge District, Summit Co., Colorado, USA
    19Atlantic (Sarisfield; Sarsfield; Bullion and Yellow Jacket; Mozart), Montezuma Area, Summit Co., Colorado, USA
    20Australia Gulch Placers, Breckenridge District, Summit Co., Colorado, USA
    21Axtell Tunnel, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    22Barney Ford Hill, Breckenridge District, Summit Co., Colorado, USA
    23Belcher, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    24Bell (California; Meteor; Wing), Montezuma Area, Summit Co., Colorado, USA
    25Bemrose Mine (Bostwick Placer), Monte Cristo Area, Summit Co., Colorado, USA
    26Big Four Mine, Kremmling (Grand Co.), Summit Co., Colorado, USA
    27Big Sally Barber F7T, Breckenridge District, Summit Co., Colorado, USA
    28Black Prince Mine, Montezuma District (Snake River District), Summit Co., Colorado, USA
    29Blind Tom (Old Blind Tom Silver Mine; North Snake River Mines), Keystone Area, Summit Co., Colorado, USA
    30Blue River Area, Summit Co., Colorado, USA
    31Blue River Placers, Breckenridge District, Summit Co., Colorado, USA
    32Bon Ton Occurrence, Breckenridge District, Summit Co., Colorado, USA
    33Boss Mine (1), North Rock Creek Area, Summit Co., Colorado, USA
    34Boss Mine (2), Breckenridge District, Summit Co., Colorado, USA
    35Boston Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    36Braganza, Montezuma Area, Summit Co., Colorado, USA
    37Brain, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    38Breckenridge District, Summit Co., Colorado, USA
    39Breckenridge, Blue River Area, Summit Co., Colorado, USA
    40Breene Mine (Aftermath; Whitequail; Badger; Milo; Delphose; Colonal Sellers; Wilfley-Kimberly), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    41Brewery Hill Breccia No. 2 Mine, Breckenridge District, Summit Co., Colorado, USA
    42Briar Rose, Blue River Area, Summit Co., Colorado, USA
    43Brooks - Snider (Brooks - Snyder), Breckenridge District, Summit Co., Colorado, USA
    44Brown Gulch Placer, Brown Gulch, Breckenridge District, Summit Co., Colorado, USA
    45Browns Gulch, Breckenridge District, Summit Co., Colorado, USA
    46Buda, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    47Buena Vista Mine, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    48Buffalo Placers, Summit Co., Colorado, USA
    49Bullion King, Breckenridge District, Summit Co., Colorado, USA
    50Bullton Extension Occurrence, Montezuma Area, Summit Co., Colorado, USA
    51Burke Martin Mine (Silver Wing), Snake River, Montezuma Area, Summit Co., Colorado, USA
    52California Bell Mine, Montezuma Area, Summit Co., Colorado, USA
    53California Mine, Glacier Mountain, Montezuma District (Snake River District), Summit Co., Colorado, USA
    54Callo Mine & Tunnel, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    55Cally Mine, Breckenridge District, Summit Co., Colorado, USA
    56Carbonate Mine (Carbonate Group; Carbonite), Breckenridge District, Summit Co., Colorado, USA
    57Carr Placer, Monte Cristo Area, Summit Co., Colorado, USA
    58Carrie, Swandyke Area, Summit Co., Colorado, USA
    59Cashier Mine (Champion), Montezuma Area, Summit Co., Colorado, USA
    60Chalk Mountain, Summit Co., Colorado, USA
    61Champion, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    62Charlie Ross, Blue River Area, Summit Co., Colorado, USA
    63Chatauqua Mine, Snake River, Montezuma Area, Summit Co., Colorado, USA
    64Chicago Boy Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    65Cinamon Gulch - Geneva Gulch, Montezuma District (Snake River District), Summit Co., Colorado, USA
    66Climax Mine (Climax Lode), Montezuma Area, Summit Co., Colorado, USA
    67Clinton Gulch, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    68Cole Peterson, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    69Collier Mountain, Montezuma Area, Summit Co., Colorado, USA
    70Colonel Sellers Mine, Breene Mine (Aftermath; Whitequail; Badger; Milo; Delphose; Colonal Sellers; Wilfley-Kimberly), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    71Columbia Group, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    72Commodore Placer, Breckenridge District, Summit Co., Colorado, USA
    73Como Claims, Breckenridge District, Summit Co., Colorado, USA
    74Congress; Rothschild; Pennsylvania (Minerou Tunnel), Montezuma Area, Summit Co., Colorado, USA
    75Connors Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    76Copeland; Garrett; Tangle Lodes, Montezuma Area, Summit Co., Colorado, USA
    77Copenhagen; Ida Belle, Keystone Area, Summit Co., Colorado, USA
    78Copper Mountain (Cooper Mountain), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    79Country Boy Mine, Breckenridge District, Summit Co., Colorado, USA
    80D & G Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    81Daisy G. Pooley, Montezuma Area, Summit Co., Colorado, USA
    82Decatur Mines, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    83Delaware Flats Placer, Breckenridge District, Summit Co., Colorado, USA
    84Delphos, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    85Detroit - Hicks, Breckenridge District, Summit Co., Colorado, USA
    86Dewey, Breckenridge District, Summit Co., Colorado, USA
    87Diamond Jack, Blue River Area, Summit Co., Colorado, USA
    88Don Pedro; Hunkidori, Keystone Area, Summit Co., Colorado, USA
    89Double Header Lode, Argentine District, Summit Co., Colorado, USA
    90DR &G Railroad tunnel, Jacque Mountain, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    91Dry Gulch Placers, Breckenridge District, Summit Co., Colorado, USA
    92Dunkin; Juniata; Puzzle; Ouray; Gold Dust; Washington, Breckenridge District, Summit Co., Colorado, USA
    93East Shaft; Eldorado; Felicia Grace (Robinson Consolidated), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    94Eden Treasure; Grand View; Pauline Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    95Edna, Breckenridge District, Summit Co., Colorado, USA
    96El Dorado, Monte Cristo Area, Summit Co., Colorado, USA
    97Elephant Tunnel, Breckenridge District, Summit Co., Colorado, USA
    98Elise Mine, Montezuma Area, Summit Co., Colorado, USA
    99Emperor Tunnel, Breckenridge District, Summit Co., Colorado, USA
    100Enterprise Shaft, Queen of the West Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    101Equity Mine, Montezuma Area, Summit Co., Colorado, USA
    102Erickson, Keystone Area, Summit Co., Colorado, USA
    103Erueka Shaft Mine, Breckenridge District, Summit Co., Colorado, USA
    104Excelsior, Breckenridge District, Summit Co., Colorado, USA
    105Farncomb Hill Placers, Breckenridge District, Summit Co., Colorado, USA
    106Farncomb Hill, French Gulch, Breckenridge District, Summit Co., Colorado, USA
    107Felica - Grace Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    108Finding Shaft (Deep Shaft), Breckenridge District, Summit Co., Colorado, USA
    109Florence Mine, Montezuma Area, Summit Co., Colorado, USA
    110Follette Placer, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    111Fox Lake Mine, Breckenridge District, Summit Co., Colorado, USA
    112Fred & Will Mine, Montezuma Area, Summit Co., Colorado, USA
    113Fredonia, Upper Blue River District, Summit Co., Colorado, USA
    114Free America Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    115Fremont - Vineta Group, Breckenridge District, Summit Co., Colorado, USA
    116French Gulch Placers, French Gulch, Breckenridge District, Summit Co., Colorado, USA
    117French Gulch, Breckenridge District, Summit Co., Colorado, USA
    118Frey Placer Claims, Summit Co., Colorado, USA
    119Frisco, Summit Co., Colorado, USA
    120Fugitive Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    121Galena Gulch Placers, Summit Co., Colorado, USA
    122General Teller Lode, Snake River, Montezuma Area, Summit Co., Colorado, USA
    123Georgia Gulch Placer, Summit Co., Colorado, USA
    124Georgia Gulch, Breckenridge District, Summit Co., Colorado, USA
    125Germania, Breckenridge District, Summit Co., Colorado, USA
    126Gibson Gulch Placers, Breckenridge District, Summit Co., Colorado, USA
    127Gibson Hill, Breckenridge District, Summit Co., Colorado, USA
    128Glacier Mountain, Montezuma District (Snake River District), Summit Co., Colorado, USA
    129Glendale, Montezuma Area, Summit Co., Colorado, USA
    130Glenn - Mohawk, Blue River Area, Summit Co., Colorado, USA
    131Gold Bell; Gold Edge (Golden Edge), Breckenridge District, Summit Co., Colorado, USA
    132Gold Cord Tunnel, Breckenridge District, Summit Co., Colorado, USA
    133Gold Flake Mine, Farncomb Hill, French Gulch, Breckenridge District, Summit Co., Colorado, USA
    134Gold Nugget Placer, Breckenridge District, Summit Co., Colorado, USA
    135Gold Run Gulch Placers, Breckenridge District, Summit Co., Colorado, USA
    136Golden Crest Occurrence (Gold Crest), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    137Goose Pasture Placers, Breckenridge District, Summit Co., Colorado, USA
    138Governor Mine, Blue River Area, Summit Co., Colorado, USA
    139Grand Union Tunnel Occurrence (Silver Bowl), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    140Grizzly Gulch, Montezuma District (Snake River District), Summit Co., Colorado, USA
    141Hail Stone Mine, Summit Co., Colorado, USA
    142Hamilton, Breckenridge District, Summit Co., Colorado, USA
    143Hammer Mine, Gore Range, Summit Co., Colorado, USA
    144Harold Roberts tunnel, Montezuma Area, Summit Co., Colorado, USA
    145Harrison Tunnel, Breckenridge District, Summit Co., Colorado, USA
    146Hellen Mine, Breckenridge District, Summit Co., Colorado, USA
    147Hendrix Gold Mining Property, Breckenridge District, Summit Co., Colorado, USA
    148Hi Ho Mine, Montezuma Area, Summit Co., Colorado, USA
    149Hidden Treasure Group, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    150Humbug Hill Placer, Summit Co., Colorado, USA
    151Humbug Occurrence (Humbug Stock), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    152Hunter Boy; Derilla, Upper Blue River District, Summit Co., Colorado, USA
    153I.X.L. (Royal Tiger; Cashier), Breckenridge District, Summit Co., Colorado, USA
    154Illinois Gulch Placers, Summit Co., Colorado, USA
    155Indiana Gulch Placers, Blue River Area, Summit Co., Colorado, USA
    156Iron Mask Occurrence, Breckenridge District, Summit Co., Colorado, USA
    157Israel Williams Mine, Montezuma District (Snake River District), Summit Co., Colorado, USA
    158Jeff Davis Patch Placers, Breckenridge District, Summit Co., Colorado, USA
    159Jerry Tunnel, Glacier Mountain, Montezuma District (Snake River District), Summit Co., Colorado, USA
    160Jessie Mine (B and B Mines Inc), Breckenridge District, Summit Co., Colorado, USA
    161Joe Glidden Occurrence (Joe Gliddon), Breckenridge District, Summit Co., Colorado, USA
    162Johannesburg Tunnel (New York Claims), Breckenridge District, Summit Co., Colorado, USA
    163Jones Gulch Claims, Montezuma Area, Summit Co., Colorado, USA
    164Jumbo Occurrence, Breckenridge District, Summit Co., Colorado, USA
    165Juventa Occurrence (Juventa Mine Shaft; McLeod Tunnel), Breckenridge District, Summit Co., Colorado, USA
    166Kellogg Mine, Breckenridge District, Summit Co., Colorado, USA
    167Keystone, Swandyke Area, Summit Co., Colorado, USA
    168Kimberly, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    169King Soloman, Summit Co., Colorado, USA
    170Kistler Mine, Montezuma Area, Summit Co., Colorado, USA
    171Kokomo-Tenmile Area, Summit Co., Colorado, USA
    172Last Dollar; Noonday Sun, Blue River Area, Summit Co., Colorado, USA
    173Lenawee Mine, Keystone Area, Summit Co., Colorado, USA
    174Lenawee Mountain, Keystone Area, Summit Co., Colorado, USA
    175Leona, Breckenridge District, Summit Co., Colorado, USA
    176Ling Mine (North Star), Monte Cristo Area, Summit Co., Colorado, USA
    177Little Artist Group, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    178Little Chicago Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    179Little Corporal Mine, Breckenridge District, Summit Co., Colorado, USA
    180Little Fool, Blue River Area, Summit Co., Colorado, USA
    181Little Rex; Red Cloud Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    182Little Sally Barber, Breckenridge District, Summit Co., Colorado, USA
    183Littler Tunnel Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    184Lone Bug, Breckenridge District, Summit Co., Colorado, USA
    185Louis D Shaft, Breckenridge District, Summit Co., Colorado, USA
    186Louisiana Lode, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    187Lower Chataqua Mine, Montezuma Area, Summit Co., Colorado, USA
    188Lower Radical Mine, Swandyke Area, Summit Co., Colorado, USA
    189Lucky Baldwin; Blanche, Montezuma Area, Summit Co., Colorado, USA
    190Maid of Orleans; Jumbo (Little Jumbo), Montezuma Area, Summit Co., Colorado, USA
    191Mark Twain Mine, Summit Co., Colorado, USA
    192Marlin; More Work (Roberta; Martin Mine), Montezuma Area, Summit Co., Colorado, USA
    193Mask Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    194Maximus; Denver City and Little Annie, Monte Cristo Area, Summit Co., Colorado, USA
    195Maxwell, Breckenridge District, Summit Co., Colorado, USA
    196Mayflower Gulch, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    197Mayflower Tunnel, Queen of the West Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    198Mayo Gulch Placers, Breckenridge District, Summit Co., Colorado, USA
    199McNulty Gulch Placers, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    200McNulty Gulch, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    201Michigan - Uthoff (Michigan), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    202Middlesex Mine, Breckenridge District, Summit Co., Colorado, USA
    203Minikus; Olson and Assocociates Site Claim, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    204Minnesota (McBarnes; Bevan), Breckenridge District, Summit Co., Colorado, USA
    205Modoc Mine, Montezuma Area, Summit Co., Colorado, USA
    206Monitor, Breckenridge District, Summit Co., Colorado, USA
    207Montague claim, Teller Mountain, Montezuma Area, Summit Co., Colorado, USA
    208Monte Cristo Occurrence, Monte Cristo Area, Summit Co., Colorado, USA
    209Montezuma Area, Summit Co., Colorado, USA
    210Montezuma District (Snake River District), Summit Co., Colorado, USA
    211Montezuma, Montezuma Area, Summit Co., Colorado, USA
    212Morgan (Morgen Manganese Prospect), Montezuma Area, Summit Co., Colorado, USA
    213Mount Guyot (Mount Gugot), Breckenridge District, Summit Co., Colorado, USA
    214Mountain Chief No. 6 Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    215Mountain Pride; Laurium (Larium; Blue Flag), Breckenridge District, Summit Co., Colorado, USA
    216Naperville Tunnel, Breckenridge District, Summit Co., Colorado, USA
    217National Treasury Mine, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    218Navy Mine (Navy & Royal George Mine; Thomas Williams Claims; H. and M. Williams Claims; Crazy Dane), Monte Cristo Area, Summit Co., Colorado, USA
    219Nebraska, Breckenridge District, Summit Co., Colorado, USA
    220Nettie B, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    221New Shaft, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    222New York Mine (New Yolk Claims; New York Tunnel), Breckenridge District, Summit Co., Colorado, USA
    223Nickel Plate, Breckenridge District, Summit Co., Colorado, USA
    224Niggar Placer (Lillian Vale), Breckenridge District, Summit Co., Colorado, USA
    225North Star Mountain, Summit Co., Colorado, USA
    226Norway Lode Occurrence (Norway Lode Manganese Ore), Pollock, Blue River Area, Summit Co., Colorado, USA
    227Old Settler; Toledo Tunnel; Fisherman (Old Settler and Waterloo; Colorado and Toledo Tunnel), Montezuma Area, Summit Co., Colorado, USA
    228Ontario; Key West; Boss; Gold Flake; Fair Fountain; Bondholder, Breckenridge District, Summit Co., Colorado, USA
    229Orphan Boy, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    230Pacific - Gold Dust, Breckenridge District, Summit Co., Colorado, USA
    231Pacific Gulch, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    232Palmetto; Pacific, Monte Cristo Area, Summit Co., Colorado, USA
    233Paymaster; Peruvian; Shoe Basin Tunnel, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    234Peru District, Summit Co., Colorado, USA
    235Pilot, Montezuma Area, Summit Co., Colorado, USA
    236Pinnacle Occurrence, Montezuma Area, Summit Co., Colorado, USA
    237Player, Breckenridge District, Summit Co., Colorado, USA
    238Poor Boy Mine, Montezuma Area, Summit Co., Colorado, USA
    239Preston Tunnel, Montezuma Area, Summit Co., Colorado, USA
    240Puzzle Ouray, Breckenridge District, Summit Co., Colorado, USA
    241Quail Mine, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    242Queen of the West Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    243Queen-of-the-West Mine (Mountain Lion; Greenhorn; Silver Queen; D & G Property), Montezuma District (Snake River District), Summit Co., Colorado, USA
    244Radical, Montezuma Area, Summit Co., Colorado, USA
    245Rainbow Occurrence, Montezuma Area, Summit Co., Colorado, USA
    246Raven and Eagle Mine (Quail Group), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    247Red Jacket (Star of the West; Star of the West No. 2; Mohawk; Iowa), Montezuma Area, Summit Co., Colorado, USA
    248Red Wing, Breckenridge District, Summit Co., Colorado, USA
    249Revenue; Brittle Silver; Delaware (Baltic and Revenue), Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    250Rich Gulch Placers, Summit Co., Colorado, USA
    251Richelieu Lode, Swandyke Area, Summit Co., Colorado, USA
    252Robinson Mine (Robinson No. 2), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    253Rose Mine, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    254Royal Tiger Group, Breckenridge District, Summit Co., Colorado, USA
    255Ruby Mountain, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    256Rust Tunnel, Montezuma District (Snake River District), Summit Co., Colorado, USA
    257Saints John Mine (Florado; Saint John Mine), Montezuma Area, Summit Co., Colorado, USA
    258Saints Johns Cirque, Montezuma Area, Summit Co., Colorado, USA
    259Salamander & Blue Valley Occurrence (Salamander), Monte Cristo Area, Summit Co., Colorado, USA
    260Sallie Barber Mine, Breckenridge District, Summit Co., Colorado, USA
    261Sarisfield, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    262Selma Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    263Senator; Vanderbilt; Blue River, Monte Cristo Area, Summit Co., Colorado, USA
    264Seven-Thirty, Upper Blue River District, Summit Co., Colorado, USA
    265Siam Mountain, Breckenridge District, Summit Co., Colorado, USA
    266Silence, Breckenridge District, Summit Co., Colorado, USA
    267Silver Cord Mine (Rainbow), Montezuma Area, Summit Co., Colorado, USA
    268Silver Falls; Whale; T-Boy, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    269Silver King, Montezuma Area, Summit Co., Colorado, USA
    270Silver Queen, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    271Silver Spoon Mine, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    272Silver Wave, Montezuma Area, Summit Co., Colorado, USA
    273Skookum Mine, Summit Co., Colorado, USA
    274Slide No. 1 & 2 Claims, Snake River, Montezuma Area, Summit Co., Colorado, USA
    275Snake River Bog Iron (Iron King), Montezuma Area, Summit Co., Colorado, USA
    276Snake River, Montezuma District (Snake River District), Summit Co., Colorado, USA
    277Snowbank, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    278Soda Gulch Placers, Summit Co., Colorado, USA
    279Solitary and Big Bonanza Mine (Big Bonanza; Little David; Solitary), Pollock, Blue River Area, Summit Co., Colorado, USA
    280South Barton Gulch Placers, Breckenridge District, Summit Co., Colorado, USA
    281St Elmo, Montezuma Area, Summit Co., Colorado, USA
    282Standard No. 1, Breckenridge District, Summit Co., Colorado, USA
    283Star of the West Mine, Teller Mountain, Montezuma Area, Summit Co., Colorado, USA
    284Star of the West, Swandyke Area, Summit Co., Colorado, USA
    285Streng, Breckenridge District, Summit Co., Colorado, USA
    286Sultana Mine, Breckenridge District, Summit Co., Colorado, USA
    287Summit Co., Colorado, USA
    288Summit County Times; Reconstruction Occurrence, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    289Summit Mine, Montezuma District (Snake River District), Summit Co., Colorado, USA
    290Superior Mine (Moscow; Silver Wing; Mark Twain and St. Elmo; Celtic; Denver; Equity; St. Cloud and Windsor; Tiger Extension; Silver King; Superior; Coaly; Sukey; Alladins Lamp), Swandyke Area, Summit Co., Colorado, USA
    291Swan River District, Summit Co., Colorado, USA
    292Swan Valley Placers, Summit Co., Colorado, USA
    293Swandyke Area, Summit Co., Colorado, USA
    294Ten Mile Tunnel Occurrence (Tenmile Shaft), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    295The American Placer, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    296Tiger Mine, Montezuma District (Snake River District), Summit Co., Colorado, USA
    297Tip Top Mine, Montezuma Area, Summit Co., Colorado, USA
    298Toledo Tunnel, Summit Co., Colorado, USA
    299Tommy Mine, Breckenridge District, Summit Co., Colorado, USA
    300Tony Mine, Swandyke Area, Summit Co., Colorado, USA
    301Treasury Vault Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    302Tucker Mountain, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    303Tungsten prospect, Montezuma District (Snake River District), Summit Co., Colorado, USA
    304Twin Sisters, Upper Blue River District, Summit Co., Colorado, USA
    305Uauneita Mine, Snake River, Montezuma Area, Summit Co., Colorado, USA
    306Unknown Fluorine-Fluorite Occurrence (MRDS - 10018529), Summit Co., Colorado, USA
    307Unknown Gold (MRDS - 10119460), Blue River Area, Summit Co., Colorado, USA
    308Unknown Gold (MRDS - 10134984), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    309Unknown Gold (MRDS - 10143400), Summit Co., Colorado, USA
    310Unknown Gold (MRDS - 10167725), Summit Co., Colorado, USA
    311Unknown Gold (MRDS - 10191924), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    312Unknown Gold (MRDS - 10239957), Breckenridge District, Summit Co., Colorado, USA
    313Unknown Gold (MRDS - 10239989), Breckenridge District, Summit Co., Colorado, USA
    314Unknown Gold (MRDS - 10240040), Blue River Area, Summit Co., Colorado, USA
    315Unknown Gold (MRDS - 10240298), Breckenridge District, Summit Co., Colorado, USA
    316Unknown Gold (MRDS - 10240641), Monte Cristo Area, Summit Co., Colorado, USA
    317Unknown Gold (MRDS - 10288835), Monte Cristo Area, Summit Co., Colorado, USA
    318Unknown Gold (MRDS - 10289296), Breckenridge District, Summit Co., Colorado, USA
    319Unknown Gold Occurrence (MRDS - 10018293), Breckenridge District, Summit Co., Colorado, USA
    320Unknown Gold Occurrence (MRDS - 10018316), Breckenridge District, Summit Co., Colorado, USA
    321Unknown Gold Occurrence (MRDS - 10018541), Summit Co., Colorado, USA
    322Unknown Lead (MRDS - 10118760), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    323Unknown Lead (MRDS - 10118774), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    324Unknown Lead (MRDS - 10118964), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    325Unknown Lead (MRDS - 10119020), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    326Unknown Lead (MRDS - 10119146), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    327Unknown Lead (MRDS - 10143196), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    328Unknown Lead (MRDS - 10143323), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    329Unknown Lead (MRDS - 10167363), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    330Unknown Lead (MRDS - 10167393), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    331Unknown Lead (MRDS - 10167650), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    332Unknown Lead (MRDS - 10167749), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    333Unknown Lead (MRDS - 10191605), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    334Unknown Lead (MRDS - 10191648), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    335Unknown Lead (MRDS - 10191781), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    336Unknown Lead (MRDS - 10192147), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    337Unknown Lead (MRDS - 10216004), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    338Unknown Lead (MRDS - 10216256), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    339Unknown Lead (MRDS - 10240042), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    340Unknown Lead (MRDS - 10240194), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    341Unknown Lead (MRDS - 10240460), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    342Unknown Lead (MRDS - 10240526), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    343Unknown Lead (MRDS - 10240611), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    344Unknown Lead (MRDS - 10264955), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    345Unknown Lead (MRDS - 10289061), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    346Unknown Mine (MRDS - 10143239), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    347Unknown Mine (MRDS - 10143332), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    348Unknown Mine (MRDS - 10143411), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    349Unknown Mine (MRDS - 10167181), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    350Unknown Mine (MRDS - 10167370), Summit Co., Colorado, USA
    351Unknown Mine (MRDS - 10167434), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    352Unknown Mine (MRDS - 10167459), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    353Unknown Mine (MRDS - 10191682), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    354Unknown Mine (MRDS - 10191930), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    355Unknown Mine (MRDS - 10192312), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    356Unknown Mine (MRDS - 10239882), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    357Unknown Mine (MRDS - 10239947), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    358Unknown Mine (MRDS - 10264470), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    359Unknown Mine (MRDS - 10264640), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    360Unknown Mine (MRDS - 10265074), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    361Unknown Mine (MRDS - 10281147), Monte Cristo Area, Summit Co., Colorado, USA
    362Unknown Mine (MRDS - 10288934), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    363Unknown Mine (MRDS - 10289102), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    364Unknown Mines (MRDS - 10264556), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    365Unnamed mine, Warden Gulch, Montezuma District (Snake River District), Summit Co., Colorado, USA
    366Unnamed prospect, Deer Creek, Montezuma District (Snake River District), Summit Co., Colorado, USA
    367Unnamed prospect, Morgan Gulch, Montezuma Area, Summit Co., Colorado, USA
    368Unnamed vein, Teller Mountain, Montezuma Area, Summit Co., Colorado, USA
    369Upper Chatauqua Mine, Montezuma Area, Summit Co., Colorado, USA
    370Upper Radical Mine, Swandyke Area, Summit Co., Colorado, USA
    371Upper Slate Lake, Gore Range, Summit Co., Colorado, USA
    372Uthoff, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    373Victory Tunnel; Lucky Strike; Washington (Victory Mine; Victory-Lucky Strike), Kokomo-Tenmile Area, Summit Co., Colorado, USA
    374Vidler Tunnels West; Queen of the West, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    375Waldorf Vein, Montezuma District (Snake River District), Summit Co., Colorado, USA
    376Walsh Incline, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    377Wapih Mine (Wapiti Claims), Farcomb Hill, French Gulch, Breckenridge District, Summit Co., Colorado, USA
    378Warriors Mark, Upper Blue River District, Summit Co., Colorado, USA
    379Waterloo Mine, Montezuma Area, Summit Co., Colorado, USA
    380Weber Gulch Placers, Breckenridge District, Summit Co., Colorado, USA
    381Weller, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    382Wellington Mine (Siam Tunnel; Old Oro Tunnel; Mill Tunnel; Liberty Tunnel; Extenuate Tunnel; Wellington Tunnel; Abundance Tunnel; New Tunnel; Oro Shaft), Breckenridge District, Summit Co., Colorado, USA
    383Whale Lode (Alhambra Mill Site; Silver Falls Lode; T-Boy Tunnel Site), Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    384Wheel of Fortune, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    385White Swan Occurrence, Swandyke Area, Summit Co., Colorado, USA
    386Wifley, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    387Wild Irishman; Altoona; Herman Occurrence, Montezuma Area, Summit Co., Colorado, USA
    388Willard, Breckenridge District, Summit Co., Colorado, USA
    389Wilson, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    390Winning Card; American Eagle (Eliza Jane), Peru Creek Area, Argentine District, Summit Co., Colorado, USA
    391Wintergreen Mine, Kokomo-Tenmile Area, Summit Co., Colorado, USA
    392Wire Patch Mine, Farncomb Hill, French Gulch, Breckenridge District, Summit Co., Colorado, USA
    393Wire Patch Placer, Breckenridge District, Summit Co., Colorado, USA
    394Wombat Mine, Montezuma Area, Summit Co., Colorado, USA

    The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 11th Nov 2009 15:30:30