Elizabeth Mine
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| Location | |
|---|---|
| Location | Strafford / Thetford, Orange County |
| State | Vermont |
| Country | United States |
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| Production | |
| Products | Copper |
| Type | open-pit, underground |
| History | |
| Opened | 1809 |
| Closed | 1957 |
| Superfund site | |
| Information | |
| CERCLIS ID | VTD988366621 |
| Contaminants | Mine tailings, metals, sulfides |
| Progress | |
| Proposed | December 1, 2000 |
| Listed | June 14, 2001 |
| List of Superfund sites | |
The Elizabeth Mine was a copper mine located on the town line between the Town of Strafford and the Town of Thetford, in Orange County, Vermont.
The ore deposit was discovered in 1793, but mining did not start until 1809. Open pit mining and from 1886 underground mining was conducted. The mine produced up to 8,500,000 pounds (3,900,000 kg) of copper (1954) and was closed in 1957.
Due to acid mine drainage the west branch of the Ompompanoosuc River was polluted. Since 2000 the Environmental Protection Agency (EPA) and the Vermont Agency of Natural Resources have been developing a plan to clean up the area.[1][2]
Geology
[edit | edit source]The ore deposits at the Elizabeth Mine represent classic examples of sedimentary exhalative type deposition where hydrothermal fluids enter the marine environment and precipitate out minerals in a strataform ore body.[3][4][5] The ores are hosted in the strongly deformed Lower Devonian Gile Mountain Formation (a grey to dark grey mica schist). The ore body at the Elizabeth Mine is a massive sulfide deposit consisting primarily of pyrrhotite and chalcopyrite.
See also
[edit | edit source]References
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External links
[edit | edit source]- South Strafford's Elizabeth Copper Mine: The Tyson Years, 1880–1902
- Vermont Mining
- The Geology of the Elizabeth Mine, Peter Howard, 1969
- Geologic Map of the Elizabeth Mine Area (Stratford, VT)
- Historic American Engineering Record (HAER) No. VT-35, "Elizabeth Mine, Mine Road, South Strafford, Orange County, VT", 66 photos, 4 measured drawings, 89 data pages, 11 photo caption pages
