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Bare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore Co., Maryland, USA

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A copper mine located about 1 mile NW of Mt Washington and about 3 miles NW of Baltimore. Started 1845 and closed 1880. Reopened during the period 1905. Owned by the Bare Hills Mining Co. Host rock is hornblende gneiss. Produced 32,500 tons of 18% Cu. Workings featured a 600 foot shaft, later deepened to 900 feet.

Mineral List



33 entries listed. 29 valid minerals.

The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Maryland Geological Survey, 92 p.

Zodac, Peter (1946) Bare Hills Copper Mine: Rocks and Minerals: 21(3): 144-145.

Heyl, A. & Pearre, N (1965) Copper, zinc, lead, iron cobalt and barite deposits of the Piedmont Upland in Maryland: Maryland Geological Survey: Bulletin 28: 60-63.

Moore, H.C. (1994) A brief history of the copper mine at Bare Hills, Maryland: Matrix: 3 (4&5): 93-97.

Mineral and/or Locality  
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