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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. "Claim jumping", which happens to this day, is a case where one person overstakes the ...
A stringer lode is one in which the rock is so permeated by small veinlets that rather than mining the veins, the entire mass of ore and the enveined country rock is mined. It is so named because of the irregular branching of the veins into many anastomosis stringers, so that the ore is not separable from the country rock.
The Boundary Red Mountain Mine of Whatcom County, Washington, United States, consists of six patented lode claims survey in 1902 and patented under patent number 39545. The gold mine was discovered in 1898 and its last production year was 1946. [ 1 ]
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 ...
A mining claim is the claim of the right to extract minerals from a tract of public land. In the United States, the practice began with the California gold rush of 1849. In the absence of organized government, the miners in each new mining camp made up their own rules, and to a large extent adopted Mexican mining law.
The process of patenting claims has been perhaps the most controversial part of the mining law. Because of a Congress-imposed moratorium, the federal government has not accepted any new applications for mining claim patents since October 1, 1994. [26] The 1872 law granted extra lateral rights to owners of lode claims. This gave the owners of ...
In some areas a prospector must also stake a claim, meaning they must erect posts with the appropriate placards on all four corners of a desired land they wish to prospect and register this claim before they may take samples. In other areas publicly held lands are open to prospecting without staking a mining claim. [2] [citation needed]
An ore shoot is a hypogenic mass that is deposited in veins within a planar channel or lode, found in a shear or fault zone, fissure or lithologic boundary. [1] The ore shoot is the area of concentration which contains a primary ore along the veins present in the rock, and consists of the most valuable part of the deposit.