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Genesis Of Gold Mineralization In The Lone Jack Mine Area, Mt. Baker Mining District, Washington, Lief G. Christenson
Genesis Of Gold Mineralization In The Lone Jack Mine Area, Mt. Baker Mining District, Washington, Lief G. Christenson
WWU Graduate School Collection
The Lone Jack group of claims is in the Mt. Baker Mining District, northern Whatcom County, Washington. Three prominent gold-quartz veins are present, two of which were mined and produced 945 kg of gold between 1901 and 1924. Since then mining operations have not been renewed.
The quartz veins are within 3 km of surface exposures of the Miocene Chilliwack Batholith, above and within a zone of deformation related to the mid-Late Cretaceous Shuksan fault. This major Northern Cascades structure has juxtaposed the Upper Mesozoic Carrington Phyl lite over the Paleozoic volcanic and sedimentary rocks of the Chilliwack Group. The …