Mine detail: Borges

Previously called 'Japanese Sao Roque'

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Location

Lat / long: -20.69579, -41.93891

Resource(N)

Primary: Mica
Ore: Muscovite
Gangue: Biotite, Garnet, Kaolin, Microcline, Plagioclase, Quartz
Orebody form: TABULAR
Discovery year: 1918

Production

Operation type: Unknown
Production size: Yes
Development status: Past Producer

Geology

Host type:Pegmatite
Associated type:Gneiss

References

MRDSTC40895
DEP10065548
Reference{Deposit:: PECORA, W.T., KLEPPER, M.R., LARRABEE, D.M., BARBOSA, A.L.M., AND FRAYHA, RESK, 1950, MICA DEPOSITS IN MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY BULLETIN 964-C, P. 205-305.}{Deposit:: KLEPPER, M.R., AND LARRABEE, D.M., 1944, BORGES (JAPANESE, SAO ROQUE) MICA MINAS ESPERA FELIZ-CAIRIA DISTRICT, MUNICIPIO OF ESPERA FELIZ, MINAS GERAIS, BRAZIL: U.S. GEOLOGICAL SURVEY UNPUBLISHED REPORT, 15 P.}{Other Database:: CIMRI}{Production:: KLEPPER AND LARRABEE (1944); PECORA ET AL (1950).}
ReporterPage, Norman J.