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caprock

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  1. Hi Goldpick,

    ran your buckle past a group of experts that hunt the California goldfields and hunt primarily for tongue  and wreath buckles. No one is familiar with this one, but the concensus is that it is not American, but most likely Mexican, notice what appears to be cactus below the eagle. In addition, this style of buckle, as do most tongue and wreath buckles, pre-date the American Civil War, and in our goldfields in California are most commonly associated with pre 1860 sites. Perhaps that buckle has some association with the late 1840s Mexican-American War. If I learn more, I'll let you know.

  2. Chris,

    My info comes from an exploration guide written by Charles Clifton and Larry Buchanan in 1982 (photo 15). Clifton's caption reads "Resistant ledge, hanging wall, Comstock lode, Virginia City,Nevada."

    Don't think he was implying it was the hanging wall, but in the hanging wall.

    Either way I've never been in a room with more than one geologist (me included) that interpreted things the same way. lol

    IMG_1039 (1).JPG

  3. Get a good geologic map of your area.

    In the field look for changes in rock type, color changes can be reddish or bleached white, look for vein material, breccias, or shattered rock, also springs and seeps are good indicators, oxidation in some cases

    Depending on conditions they can form a topographic high if silicified and resistant to erosion, or a low if dominated by crushed rock that is easily eroded.

    Here's a couple from Nevada, where all the geology is easily observed.

    third photo is silicified  rock in the hanging wall of Comstock fault zone Virginia City

    IMG_1036.JPG

    IMG_1034 (1).JPG

    FullSizeRender (1).jpg

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