Mine detail: Roca

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Location: Piaui, Brazil, South America
Lat / long: -4.49816, -41.51564
dep_id: 10060826
mrds_id: TC30265
Commodity type: nonmetallic
Major mineral: Gemstone
Operation type: Unknown
Production size: Production occurred
Development status: Producer
ore: Opal
Reporter: Page, Norman J.
hrock_unit: Cabecas Formation;Sardinha Formation
hrock_type: Sandstone
References:
  • Deposit:: CESAR, P. DE A.B., 1984, PRINCIPAIS DEPOSITOS MINERAIS: CONCEITOS, METODOLOGIA, E LISTAGEM, CAPITULO IX, IN GEOLOGIA DO BRASIL, EDS., C. SCHOBBENHAUS, D. DE A. CAMPOS, G.R. DERZE, AND H.E. ASMUS: DEPARTAMENTO NACIONAL DA PRODUCAO MINERAL, PP. 359-419
  • Other Database:: CIMRI
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