| Location: | Nicaragua, North America |
| Lat / long: | 13.91756, -84.39993 |
| dep_id: | 10086142 |
| mrds_id: | W702070 |
| Commodity type: | metallic |
| Major mineral: | Copper, Gold, Silver |
| Operation type: | Unknown |
| Production size: | Medium ammount of material produced |
| Development status: | Past Producer |
| ore: | Bornite, Chalcocite, Chalcopyrite, Chrysocolla, Copper, Covellite, Cuprite, Gold, Malachite, Pyrite, Tenorite |
| gangue: | Chlorite, Garnet, Magnetite, Orthoclase, Pyrrhotite, Quartz |
| work_type: | Surface/Underground |
| model: | 59: Skarn Cu |
| alteration: | Intense Ca, K, And Si Metasomatism; Alteration Of Calcareous Sediments To Marble Or Quartz-Garnet-Orthoclase Skarn, And Andesites To Epidote Skarn Or Siliceous Skarn. |
| conc_proc: | Oxidation Down To 30-230 Ft; 10-30 Ft Wide Zone Of Secondary Cu Enrichment Parallel To Surface. |
| ore_ctrl: | Gold Associated With Nnw Fault; Principal Copper Ore Body Along S Flank Of Small Diorite Intrusion; Orebodies Partly Locallized Along Steep Dipping Nnw And Ne/50-70nw Shears. |
| Reporter: | Bliss, James D., Page, Norman J., Venable, Margaret |
| hrock_unit: | Metapan Formation;Yojoa |
| hrock_type: | Limestone |
| arock_type: | Monzonite,Diorite,Andesite |
| Structure: | Miogeosyncline, Breccia Pipe In Center Of Pit? |
| tectonic: | Chortis Block-Central Nicaraguan Uplift |
| dy_ba: | < |
| disc_yr: | 1906 |
| prod_yrs: | 1906-1912; 1959-1971 |
| References: |
- Deposit:: INSTITUTO CENTROAMERICANO DE INVESTIGACION Y TECNOLOGIA INDUSTRIAL (ICAITI), 1970, MAPA METRALOGENETIO DE AMERICA CENTRAL; 1:2000000 & ESTUDIOS METALOGENETICOS DE AMERICA CENTRAL: PUBLICIONES GEOLOGICAS DEL ICAITI NUMERO III, 76 P.
- Deposit:: ROBERTS, R.J., AND IRVING, E.M., 1957, MINERAL DEPOSITS OF CENTRAL AMERICA: U.S. GEOLOGICAL SURVEY BULLETIN 1034, P. 62-63.
- Deposit:: BEVAN, P.A., 1973, ROSITA MINE - A BRIEF HISTORY AND GEOLOGICAL DESCRIPTION: CIM BULLETIN VOL. 66, NO. 736, P. 80-84.
- Deposit:: KONDAKOV, L.A., AND NABROVENKOV, O.S., 1983, PRINCIPAL CHARACTERISTICS OF THE METALLOGENY OF NICARAGUA - IZVESTIYA AKADEMII NAUK SSSR, SERIYA GEOLOGICH ESKAYAS V. 1983, P. 91-104.
- Production:: ROBERTS AND IRVING, 1957; BEVAN, 1973; MINE RECORDS.
|