Mine detail: Pedrinhas Mining Area

Previously called 'Campo FormosoPedrinhas Mine'

<< Back to the map

Location

Lat / long: -10.50955, -40.38533

Resource(M)

Primary: Chromium
Discovery year: 1907

Production

Operation type: Unknown
Deposit type: MAGMATIC, STRATIFORM, DISRUPTED, MASSIVE, DISSEMINATED
Production size: Yes
Development status: Producer
First production started: 1962

Geology

Structure:DISRUPTED, LAYERED IGNEOUS INTRUSION

References

MRDSISM0032
DEP60000520
Reference{Deposit:: U.S. DEPARTMENT OF STATE, 1976, BRAZIL, IN INDUSTRIAL OUTLOOK REPORT: WASHINGTON, D.C., UNCLASSIFIED AIRGRAM A-128. (L2-L5)}{Deposit:: HEDLUND, D. C., DE COUTO M., J. F., FERRAZ P., A. C., DA SILVA, J. C. G., AND SOUZA, G. V., 1971, THE GEOLOGY OF STRATIFORM CHROMITE AT CAMPO FORMOSO, BAHIA AND GEOLOGIC SETTING OF THE ENCLOSING METAMORPHOSED ULTRAMAFIC ROCKS: U.S. GEOLOGICAL SURVEY, BAHIA BRAZIL PROJECT REPORT, 100 P.}{Deposit:: TEX REPORT, 1978, CHROME, IN 1978 FERRO ALLOY MANUAL: JAPAN, TEX REPORT, P. 87-89.}{Deposit:: DUKE, V. W. A., 1982, CHROMIUM--A MINERAL COMMODITY REVIEW: SOUTH AFRICA MINERALS BUREAU INTERNAL REPORT 86, 317 P. (C5, C18, PA1, PA2)}{Deposit:: HEDLUND, D. C., AND OTHERS, 1974, STRATIFORM CHROMITE AT CAMPO FORMOSO BAHIA, BRAZIL: U.S. GEOLOGICAL SURVEY JOURNAL OF RESEARCH, V. 2, NO. 5, P. 551-562.}{Deposit:: DEYOUNG AND OTHERS, 1984, U.S. GEOLOGICAL SURVEY CIRCULAR 930-B, 41P.}{Deposit:: MINING MAGAZINE, JANUARY 1987, P. 58.}{Deposit:: DUARTE, P.M., AND FONTES, C.F., 1986, MINAS DE CROMITA DAS FAZENDAS LIMOEIRO E PEDRINHAS, MUNICIPIO DE CAMPO FORMOSO, BAHIA, IN PRINCIPAIS DEPOSITOS MINERAIS DO BRASIL, EDS. SCHOBBENHAUS, C., AND COELHO, C.E.S., V. II, P. 207-214.}{Deposit:: JOHNSTON, W.D., JR., AND DE SOUZA, H.C.A., 1943, LAYERED OR BANDED CHROMITE AT CAMPO FORMOSO, BAHIA, BRAZIL: ECONOMIC GEOLOGY, V. 38, NO. 1, P. 287-297.}{Reserve-Resource:: DeYoung, J.H., Jr., Lee, M.P., and Lipin, B.R., 1984, International Strategic Minerals Inventory summary report - chromium: U.S. Geological Survey Circular 930-B, 41 p.}