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Breckenridge District, Summit Co., Colorado, USA

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Also known as Bevan, Union or Minnesota district. Au, Zn, Pb, Ag.

In the summer of 1859 a group of prospectors discovered rich placer ground on the north side of Farncomb Hill, and within the next 20 years about $7,000,000 in gold was washed from the placers of the Blue River, Swan River, French Gulch, Illinois Gulch, and their tributary gulches. It was not until 1880 that gold was found in place on Farncomb Hill; for the next 10 years the rich narrow vein of crystallized gold yielded most of the gold output. Gold dredges were introduced in 1898 and have been working the deep gravels of the larger gulches ever since, recovering a total of a little more than $7,OO0,000 in gold through 1937.
Lead-silver ores were first mined in the district in 1869, but little interest was shown in lead veins until the completion of the railroad from Denver to Breckenridge in 1880.

A wide variety of ore and gangue minerals has been found in the Breckenridge district, but the only ore minerals sufficiently abundant to be of commercial importance are gold, various silver minerals, sphalerite, galena, and pyrite. Contact-metamorphic ores, stock-works, veins, blanket ores, and placers have been exploited, but most of the output has come from the veins and placers.

Mineral List

Mineral list contains entries from the region specified including sub-localities

47 valid minerals.

Rock Types Recorded

Entries shown in red are rocks recorded for this region.

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Rock list contains entries from the region specified including sub-localities

Localities in this Region

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


- Ransome, F. L. (1911) Geology and ore deposits of the Breckenridge district, Colorado. USGS Prof Paper 75

- Lakes, Arthur (1912) Geology of the Breckenridge Placers. Mines and Minerals - Feb, 1912.

- Raines, E. and Smith, A.E. (1987). "Famous mineral localities: Breckenridge, Colorado." Mineralogical Record, 18(1): 51-61.

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