Granma
Past Producer

Unica

Granma, Cuba
Manganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryManganese
Commodity typeM
Deposit
Model99: Volcanogenic Mn, Cuban
Deposit sizeM
Orebody formFLATTENED OR ROUGHLY TABULAR PIPE
Materials
Ore mineralsBraunite, Manganite, Psilomelane, Pyrolusite
GangueCalcite, Hematite, Jasper
Geology
Host rockLimestone · El Cobre Group, Charco Redondo Member
Tectonic settingIsland Arc
Economic & production
Development statusPast Producer
First production1914
Identification
Deposit ID10061327
MRDS IDTC34190
Alternate namesLa Unica
RegionCR
Data scoreC
Coordinates20.14116, -76.35832
References
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. 233-235.CIMRISIMONS AND STRACZEK (1958)