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Ragra Mine (Minasragra), Huayllay District, Pasco Province, Pasco Department, Peru

Retgersite
Ragra Mine, Huayllay District, Pasco Province, Pasco Department, Peru

Photo: Vincent Bourgoin

Latitude: 10°51'S
Longitude: 76°34'W

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A vanadium mine owned by Vanadium Co. of America.
Till 1944 belonging to Junín department, when Pasco department was established.
Around 30 km NW from Huayllay and 40 km SW of Cerro de Pasco

Mineral List

17 entries listed. 15 valid minerals. 9 type localities (valid minerals).

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References

Hewett, D.F. (1909) Vanadium deposits in Peru, American Institute of mining Engineers (A.I.M.E.) Transactions: 40: 274.

Hillebrand, Merwin and Wright (1914) Proceedings of the American Philosophical Society: 53, 31-54.

Schaller (1915) Journal of the Washington Academy of Science: 5: 7

Emmons, W.H. (1918) The Principles of Economic Geology, McGraw Hill Book Co.: 529.

Proceedings of the National Academy of Science (1921): 7(8): 249-251.

Rocks & Minerals (1946): 21: 355.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1056, 1060, 1062.

Chao, G.Y., Gault, R.A. (1998) Neues Jahrb. Mineral Abh: 101: 97-108.

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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