California Gold Claims For Sale: A Historical Introduction of Governor Gold Mine

According to the State Mining Bureau’s annual report for 1892, the ore returned between $10 and $25 per ton in gold.

By 1940, production had increased to 140 tons of ore mined and milled every 24 hours. The mine operated continuously until 1942.

Several tunnels were drilled, the principal one being 800 feet long and reaching a vertical depth of 320 feet. A 5-stamp mill was erected to crush the ore.

The main vertical shaft was deepened to 1,000 feet, and tunnels were drilled as long as 500 feet in each direction along the vein at vertical intervals of 100 feet.

The California Division of Mines reported that these workings were the most extensive of any gold mine in Los Angeles County. Assays of several hundred dollars in gold per ton were made in high-grade shoots throughout the mine.

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The vein is a quartz-filled fissure in quartz diorite. The strike is N. 20” W. and it dips 65 to 75” NE. Its width varies up to 24 ft., the average being about 7 ft. Gold occurs free and associated with pyrite. The ore-shoot as now opened from the 200 level to the 700 level, shows a length of about 400 ft. The mine is developed by a main working tunnel 800 ft. in length from which a vertical shaft has been sunk 720 ft., with levels at 100, 200, 300, 400, 450, 500, 600 and 700 ft. horizons. Drifts have been driven on the various levels

The vein crossed the shaft at about 540 ft. and on the 600 level, the crosscut west is 40 ft. to the vein, while on the 700, it is 86 ft. west to the vein.



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