Manacas District

SANTOS, E., PENALVER, L.L., KRIVTSOV, A.I., AND TIJOMIROV, V.A., EDS., 1988, MAPA DE YACIMIENTOS MINERALES METALICOS Y AGUAS MINERALES DE LA REPUBLICA DE CUBA: MINISTERIO DE LA INDUSTRIA BASICA, 1:500,000 SCALE, 5 SHEETS.SIMONS, F.S., AND STRACZEK, J.A., 1958, GEOLOGY OF THE MANGANESE DEPOSITS OF CUBA: U.S. GEOLOGICAL SURVEY BULLETIN 1057, P. 213-214.MOSIER, D.L. AND PAGE, N.J., 1988, DESCRIPTIVE AND GRADE TONNAGE MODELS OF VOLCANOGENIC MANGANESE DEPOSITS IN OCEANIC ENVIRONMENTS - A MODIFICATION: USGS BULLETIN 1811, 28 P.