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BAJA LOST MISSION EXPEDITION 2011 (PART 3)

Discussion in 'Off-Roading & Trails' started by David K, May 12, 2011.

  1. May 12, 2011 at 5:36 PM
    #1
    David K

    David K [OP] Well-Known Member

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    Continued from Part 2: http://www.tacomaworld.com/forum/of...ja-lost-mission-expedition-2011-part-2-a.html

    After resting up from the big hike, later Saturday afternoon we took a drive to see the La Olvidada (The Forgotten) Barite Mine. Along the way and on the return we take a look at the White Slope of springs just east of Arroyo El Volcan.

    Volcan2011128_a8a264a3533f247fe6f567fc93931e0285ec8720.jpg
    Looking down at our camp area, as we drive east.

    Volcan2011130_0d36940cf2d8ea8b1516e3bbe5db7d9203037b06.jpg
    We see some boojum trees as we get close to the mine area.

    Volcan2011131_57469e063574942cc81fcd70f357a5ece815f6e9.jpg
    The road to the mine from El Marmol has been recently graded and is 2WD friendly.

    Volcan2011132_8ce90b4c028350b574eb85a33e3a73148bc1157f.jpg
    Our first view of the Sea of Cortez (Gulf of California) from the road.

    Volcan2011134_6f93fd2f8d34dc727dd7f4e5ba438ff5f2abab48.jpg
    That is Isla El Huerfanito (The Little Orphan).

    Volcan2011144_faa25c96517ffc4f81e6327f8dd3405c6b94a72f.jpg
    Other islands come into view from the end of the road, 6 miles from Arroyo El Volcan.

    Volcan2011138_4b3fe64b60931c3271221e7f1e083a4ef19960bd.jpg

    Volcan2011139_1c05fd8b70d4b10d1bc3dbdbb0ca0481596cece6.jpg
    Phil (XRPhlang) and David (dtbushpilot) also ride up to the mine with us.

    Volcan2011140_1bf5297eb81cc427a7f1612e931f31b9fd3cd99a.jpg

    Volcan2011141_040372cff419d0724958e23a0a959e29f3a40e58.jpg

    Volcan2011143_2930c1d2643d37001f06ad70b9bbc00f3588c0bb.jpg

    Volcan2011145_e50a35b3bf7af17d1ea83b0acdf50bb2075469a8.jpg

    Volcan2011149_b74bacebd30663631773e36d4c4da34f1001a4d3.jpg
    More boojum trees as we head back.

    Volcan2011151_8aefe7ebb094d0a048235b8a400c1fca23b72656.jpg
    The white slope of tiny springs.

    Volcan2011152_1363c543eb62b744e30352251e7d7bdde9fb680f.jpg

    Volcan2011153_33c8f00bd68e61695db7aff9d7c29bfbc50312cb.jpg

    Volcan2011154_a0c1ac30dafa1dcc602298b34f5d3b97ce7b02df.jpg

    Volcan2011155_168b79508a479c54e081db4d99693f4bfc6fc613.jpg

    Coming next... EL VOLCAN, BAJA'S COLD WATER GEYSER!
     
  2. May 12, 2011 at 5:37 PM
    #2
    David K

    David K [OP] Well-Known Member

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    OKAY, who wants to know what barite is? (from Wikipedia)
    Baryte, or barite, (BaSO4) is a mineral consisting of barium sulfate.[2] The baryte group consists of baryte, celestine, anglesite and anhydrite. Baryte itself is generally white or colorless, and is the main source of barium. Baryte and celestine form a solid solution (Ba,Sr)SO4.[1]
    The name baryte is derived from the Greek word βαρύς (heavy). The American spelling barite[2] is used by the USGS[7] and more often used in modern Scientific journals including those published by the Netherlands-based Elsevier journals. The International Mineralogical Association adopted "barite" as the official spelling when it formed in 1959[citation needed], but recommended adopting the older "baryte" spelling in 1978,[8] notably ignored by the Mineralogical Society of America. The American Petroleum Institute specification API 13/ISO 13500 which governs baryte for drilling purposes does not refer to any specific mineral, but rather a material that meets that specification, in practice this is usually the mineral baryte.
    The term "primary baryte" refers to the first marketable product, which includes crude baryte (run of mine) and the products of simple beneficiation methods, such as washing, jigging, heavy media separation, tabling, flotation. Most crude baryte requires some upgrading to minimum purity or density. Baryte that is used as an aggregate in a "heavy" cement is crushed and screened to a uniform size. Most baryte is ground to a small, uniform size before it is used as a filler or extender, an addition to industrial products, or a weighting agent in petroleum well drilling mud

    UsesSome 77% worldwide is used as a weighting agent for drilling fluids in oil and gas exploration to suppress high formation pressures and prevent blowouts. As a well is drilled, the bit passes through various formations, each with different characteristics. The deeper the hole, the more barite is needed as a percentage of the total mud mix. An additional benefit of barite is that it is non-magnetic and thus does not interfere with magnetic measurements taken in the borehole, either during logging-while-drilling or in separate drill hole logging. Barite used for drilling petroleum wells can be black, blue, brown or gray depending on the ore body. The barite is finely ground so that at least 97% of the material, by weight, can pass through a 200-mesh (75-μm) screen, and no more than 30%, by weight, can be less than 6 μm diameter. The ground barite also must be dense enough so that its specific gravity is 4.2 or greater, soft enough to not damage the bearings of a tricone drill bit, chemically inert, and containing no more than 250 milligrams per kilogram of soluble alkaline salts.[7]
    Other uses are in added-value applications which include filler in paint and plastics, sound reduction in engine compartments, coat of automobile finishes for smoothness and corrosion resistance, friction products for automobiles and trucks, radiation-shielding cement, glass ceramics and medical applications (for example, a barium meal before a contrast CAT scan). Baryte is supplied in a variety of forms and the price depends on the amount of processing; filler applications commanding higher prices following intense physical processing by grinding and micronising, and there are further premiums for whiteness and brightness and color.[7]
    Historically baryte was used for the production of barium hydroxide for sugar refining, and as a white pigment for textiles, paper, and paint.[2]
    Although baryte contains a "heavy" metal (barium), it is not considered to be a toxic chemical by most governments because of its extreme insolubility.
    ===========================================
    I got a chunk of rock piled up outside the mine, and it is strangely heavy for its size... like metal would be. :cool:
     
  3. May 12, 2011 at 5:37 PM
    #3
    David K

    David K [OP] Well-Known Member

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    Here are two more photos looking into mine shafts at La Olvidada barite mine:

    Volcan2011142_8ce04e4c2679d6d369ecef1ffaaf5883b24c3808.jpg

    Volcan2011146_f3c3e7819f2d6ff926ab6408067320f6ae58541c.jpg
     
  4. May 13, 2011 at 8:40 AM
    #4
    David K

    David K [OP] Well-Known Member

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    I will try and get Part 4 posted later today... It has the bubbling cold springs, including video clips at El Volcan, the site of a rare cold water geyser (erupts a 60 foot plume for several minutes, once a month)!
     
  5. May 13, 2011 at 5:03 PM
    #5
    David K

    David K [OP] Well-Known Member

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