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  2. Placer mining - Wikipedia

    en.wikipedia.org/wiki/Placer_mining

    Placer mining is frequently used for precious metal deposits (particularly gold) and gemstones, both of which are often found in alluvial deposits—deposits of sand and gravel in modern or ancient stream beds, or occasionally glacial deposits. The metal or gemstones, having been moved by stream flow from an original source such as a vein, are ...

  3. Willow Creek mining district - Wikipedia

    en.wikipedia.org/wiki/Willow_Creek_mining_district

    The Willow Creek mining district, also known as the Independence Mine/Hatcher Pass district, is a gold-mining area in the U.S. state of Alaska. Underground hard-rock mining of gold from quartz veins accounts for most of the mineral wealth extracted from the Hatcher Pass area. The first mining efforts were placer mining of stream gravels, and ...

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  5. Placer claim - Wikipedia

    en.wikipedia.org/wiki/Placer_claim

    Gold mining is one of the most common uses for the staking of mining claims. In Alaska, state mining claims may be up to 160 acres (0.65 km 2), and there is no distinction between lode or placer claims. The boundaries of the claim must follow the 4 cardinal directions, with an exception being adjustments for existing valid claims.

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  7. Confederate Gulch and Diamond City - Wikipedia

    en.wikipedia.org/wiki/Confederate_Gulch_and...

    Today, one can drive to and through Confederate Gulch on a passable but unimproved road. Confederate Gulch is unlike other boom and bust mining districts in Montana, because no ghost town was left at the site. The hydraulic mining during the boom years, and the reworking of the site since, has obliterated the sites of the earlier mining ...

  8. Placer deposit - Wikipedia

    en.wikipedia.org/wiki/Placer_deposit

    Placer mining is an important source of gold, and was the main technique used in the early years of many gold rushes, including the California Gold Rush. Types of placer deposits include alluvium, eluvium, beach placers, aeolian placers and paleo-placers. [2] Placer materials must be both dense and resistant to weathering processes. To ...

  9. Gold mining in Alaska - Wikipedia

    en.wikipedia.org/wiki/Gold_mining_in_Alaska

    Resurrection Creek was the site of Alaska's first gold rush in the late 1890s, [60] and placer mining continues today. The Resurrection Creek watershed drains 161 square miles (420 km 2 ) on the north side of the Kenai Peninsula, and the community of Hope, Alaska is located at the mouth of Resurrection Creek. [ 61 ]