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Regional Report: Marin Co., California, USA

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

  • Actinolite - 51, 29
  • 'Adularia' - 29
  • 'Agate' - 29
  • Albite - 51, 29
  • Almandine - 51, 29
  • Alunogen - 77
  • Ankerite - 29
  • Antigorite - 29
  • 'Apatite' - 29, 38
  • 'Apophyllite' - 29
  • Aragonite - 51, 29
  • Arsenopyrite - 29
  • 'Asphaltum' - 29
  • 'Axinite' - 29
  • Axinite-(Fe) - 58
  • Azurite - 29
  • Baryte - 29
  • Biotite - 29
  • Calcite - 29, 35
  • 'Carnelian' - 29, 56
  • 'Chalcedony' - 29
  • Chalcopyrite - 35, 61
  • 'Chlorite Group' - 51, 29
  • Chromite - 29, 27
  • Chrysotile - 29
  • Churchite-(Y) - 54, 41
  • Cinnabar - 29, 11, 16
  • 'Citrine' - 29
  • Clinochlore - 51, 29
  • Clinozoisite - 29
  • 'Coal' - 29
  • 'Collophane' - 29
  • 'Crocidolite' - 29
  • Crossite - 1
  • Cuprite - 29
  • Datolite - 29
  • 'Diallage' - 29
  • Diopside - 29
  • Dolomite - 29
  • Epidote - 51, 29, 42
  • Epsomite - 29
  • Erythrite - 29
  • Florencite-(Nd) - 54, 41
  • Galena - 29, 35
  • Glauconite - 29
  • Glaucophane - 51, 78, 38, 42, 1
  • Gold - 29
  • Gypsum - 29, 77
  • Hematite - 29
  • 'Heulandite' - 29
  • 'Hornblende' - 29
  • Hydromagnesite - 29
  • Jadeite - 51, 33, 1
  • Jarosite - 29
  • 'Jasper' - 29
  • Kaolinite - 29
  • Kyanite - 51
  • Laumontite - 29
  • Lawsonite - 51, 1
  • Limonite - 29
  • Lithiophorite - 54, 41
  • Lizardite - 29
  • Magnesite - 29
  • Magnetite - 29
  • Malachite - 29
  • Manganite - 29
  • 'Manganoan Calcite' - 29
  • Marcasite - 11
  • Mercury - 29
  • Microcline - 29
  • Millerite - 29
  • Muscovite - 51, 29
  • 'Nephrite' - 29, 33
  • 'Olivine' - 29
  • Omphacite - 51
  • Opal - 29
  • 'Opal-AN' - 29
  • Orthoclase - 29
  • Paragonite - 51
  • 'Prase' - 29
  • Prehnite - 29, 58
  • 'Psilomelane' - 29, 25, 28
  • 'Pumpellyite' - 51, 29, 10
  • Pyrite - 22, 29, 11, 35, 46, 61
  • Pyrolusite - 29
  • Pyrophyllite - 29
  • 'Pyroxene Group' - 29
  • Pyrrhotite - 29, 37
  • Quartz - 29, 61
  • Rhodochrosite - 34
  • Riebeckite - 29
  • 'Rock Crystal' - 29
  • Rutile - 59, 51, 29
  • 'Sard' - 29
  • Scheelite - 29, 2, 24, 40
  • 'Selenite' - 29
  • 'Serpentine Group' - 29, 58, 33
  • Siderite - 29
  • Silver - 29
  • 'Smaragdite' - 29
  • 'Smoky Quartz' - 29
  • Stilpnomelane - 29
  • SzaibĂ©lyite - 29, 58
  • Talc - 51, 29
  • Titanite - 51, 29
  • Todorokite - 54, 41
  • 'Tourmaline' - 29
  • Tremolite - 29
  • Wollastonite - 29
  • Zircon - 29
  • Zoisite - 29


    • 111 minerals listed.

    Locality Key
    1Angel Island, San Francisco Bay, Marin Co., California, USA
    2Bender deposit (Dell Bender), Bender property, Inverness Ridge (Point Reyes Hill), Point Reyes peninsula, Marin Co., California, USA
    3Black Mountain, Marin Co., California, USA
    4Black Point Mine, Marin Co., California, USA
    5Blake Brothers Quarry (San Pablo), Marin Co., California, USA
    6Borello Quarry, Marin Co., California, USA
    7Burdell Mountain, Marin Co., California, USA
    8Chileno Valley Stone, Marin Co., California, USA
    9Claim (MRDS - 10163405), Marin Co., California, USA
    10East of Novato, Marin Co., California, USA
    11Edwards (Panco No. 1; Chileno Valley; Bently Ranch; Bueno Chilano; Chileno Valley), Petaluma, Marin Co., California, USA
    12Escalle Quarry, Marin Co., California, USA
    13Forbes Quarry, Marin Co., California, USA
    14Fort Baker, Marin Co., California, USA
    15Freeman and Sondgroth, Marin Co., California, USA
    16Gambonini Mine (Turner and Mc Farland Mine; Buena Suerte Mine), Salmon Creek, M. Gambonini Ranch, Marshall, Marin Co., California, USA
    17Ghilotti Brothers Quarry (Bowman Canyon Quarry; McIsaccs Quarry), Marin Co., California, USA
    18Greenbrae Quarry, Marin Co., California, USA
    19Heaton's Flat Placer Mine, Marin Co., California, USA
    20Hoffman Mine, Marin Co., California, USA
    21Hotaling, Marin Co., California, USA
    22Hutchinson Quarry, Greenbrae, Marin Co., California, USA
    23Inverness Ridge placer, Inverness Ridge, Inverness, Point Reyes peninsula, Marin Co., California, USA
    24Inverness, Point Reyes peninsula, Marin Co., California, USA
    25Knutte Deposit, Marin Co., California, USA
    26Lafranchi Quarry, Marin Co., California, USA
    27Maillard Ranch (1), San Geronimo Township, Marin Co., California, USA
    28Maillard Ranch (2), San Geronimo Township, Marin Co., California, USA
    29Marin Co., California, USA
    30Marin Company No. 25, Marin Co., California, USA
    31Martinelli Ranch Quarry, Marin Co., California, USA
    32Martinoni Quarry, Marin Co., California, USA
    33Massa Hill Mine, Massa Hill, Vonson Ranch, Union, Marin Co., California, USA
    34Mazza prospect (Mazza Ranch prospect), Marin Co., California, USA
    35McKinnan Gulch Prospect, Marin Co., California, USA
    36Mount Tamalpais Cemetery Quarry, Marin Co., California, USA
    37Mount Tamalpais, Marin Co., California, USA
    38Nicasio, Marin Co., California, USA
    39Nigger Hill, Marin Co., California, USA
    40Noren deposit, Willow Point, Inverness Ridge, Inverness, Point Reyes peninsula, Marin Co., California, USA
    41North side of lateral to highway 101 roadcut, Sausalito, Marin Co., California, USA
    42North Side of Tiburon Peninsula, Tiburon Peninsula, Marin Co., California, USA
    43Patent Brick Company Mine, Marin Co., California, USA
    44Petaluma - Point Reyes, Marin Co., California, USA
    45Petaluma Mine (Superior Gypsum Company), Marin Co., California, USA
    46Pike Gulch Prospect, Marin Co., California, USA
    47Point Molate Mine (Healey Tibbets Company), Marin Co., California, USA
    48Quarry (MRDS - 10030807), Marin Co., California, USA
    49Quarry Products Inc., Marin Co., California, USA
    50Randall, Marin Co., California, USA
    51Reed Station, Tiburon Peninsula, Marin Co., California, USA
    52Remillard Brick Company Mine, Marin Co., California, USA
    53San Geronimo Prospect, Marin Co., California, USA
    54Sausalite Road Quarry, Marin Co., California, USA
    55Sausalito Point prospect, Sausalito Point, Sausalito, Marin Co., California, USA
    56Sausalito, Marin Co., California, USA
    57Southwest spur of Mount Tamalpais, Mount Tamalpais, Marin Co., California, USA
    58Stinson Beach, Marin Co., California, USA
    59Tiburon Peninsula, Marin Co., California, USA
    60Tiburon Ridge Flagstone, Marin Co., California, USA
    61Union Gulch Mine (Chetco; Pearson and Brothers; Bolinas), Marin Co., California, USA
    62Unknown (MRDS - 10030804), Marin Co., California, USA
    63Unknown (MRDS - 10030809), Marin Co., California, USA
    64Unnamed Location (MRDS - 10115160), Marin Co., California, USA
    65Unnamed Location (MRDS - 10139619), Marin Co., California, USA
    66Unnamed Location (MRDS - 10163235), Marin Co., California, USA
    67Unnamed Location (MRDS - 10163942), Marin Co., California, USA
    68Unnamed Location (MRDS - 10187925), Marin Co., California, USA
    69Unnamed Location (MRDS - 10188325), Marin Co., California, USA
    70Unnamed Location (MRDS - 10211959), Marin Co., California, USA
    71Unnamed Location (MRDS - 10212398), Marin Co., California, USA
    72Unnamed Location (MRDS - 10212469), Marin Co., California, USA
    73Unnamed Location (MRDS - 10260576), Marin Co., California, USA
    74Unnamed Location (MRDS - 10261189), Marin Co., California, USA
    75Unnamed Location (MRDS - 10285327), Marin Co., California, USA
    76Unnamed Quarry (MRDS - 10285405), Marin Co., California, USA
    77Unspecified road tunnel, Fort Barry area, Marin Co., California, USA
    78Vonsen Ranch, Marin Co., California, 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: 27th Nov 2009 11:58:07