| Deposit ID | 10133973 |
|---|---|
| MAS/MILS ID | 4710150001 |
| Record type | Site |
| Current site name | Moncorvo |
| Point of reference | Town |
|---|---|
| Geographic coordinates: | -7.04812, 41.16593 (WGS84) |
| Elevation | 800 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Braganca(province)
Portugal(country)
Europe(continent)
Land(continent)
| Country | State |
|---|---|
| Portugal | Braganca |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Hematite | Unknown |
| Magnetite | Unknown |
| Quartz | Unknown |
| Sericite | Unknown |
| Town (1) | -7.04812, 41.16593 |
|---|
| Thickness | 350M | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Length | 350M | ||||||||
| Width | 350M | ||||||||
| |||||||||
| Operation type | Surface |
|---|---|
| Development status | Prospect |
| Commodity type | Metallic |
| Significant | Yes |
| Type | Owner-Operator |
|---|---|
| Owner | Ferrominas E. P. (Government) |
| Interest | 100 |
| Year | 1981 |
| Type | In-situ | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1981 | ||||||||||||||
| Indicated | 247600000mt ore | ||||||||||||||
| Demonstrated | 247600000mt ore | ||||||||||||||
| Inferred | 302400000mt ore | ||||||||||||||
| Total resources | 550000000mt ore | ||||||||||||||
| |||||||||||||||
| Type of workings | Surface | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 4710150001 |
US DEPT. OF STATE, AIRGRAM A-19, LISBON, PORTUGAL, DECEMBER
20, 1971, 5 PP.
SKILLINGS, DAVID N., JR., IRON ORE RESEARCH PROGRAM FOR
MONCORVO PROPERTY IN PORTUGAL, SKILLINGS' MINING REVIEW,
V. 57, NO. 9, MARCH 2, 1968, PP 3-4.
WORLD MINING, IRON ORE FIELD TO BE RE-EXAMINED, APRIL,1979,
P. 92.
EXPLORATION UND BERGHAU GMBH, DUSSELDORF, MONCORVO IRON ORE
PROJECT-PORTUGAL, PRE-FEASIBILITY STUDY FOR FERROMINAS
E.P., VOL'S 1 & 2, JANUARY, 1968.
AURTHOR G. MCKEE CO. BENEFICIATION OF MONCORVO, PORTUGAL,
IRON ORE, MINES EXPERIMENT STATION UNIVERSITY OF MINNESOTA
MINNEAPOLIS, MN5545, DECEMBER 19, 1969, 21 PP.
| Subject category | Comment text |
|---|---|
| Deposit | FOR THE PURPOSE OF ANALYSIS CAPITAL COSTS TO DEVELOPE THE MONCORVO DEPOSIT ARE AS FOLLOWS (1981 US $). EXPLORATION AND RESEARCH - $1.4 MILLION; MINE DEVELOPMENT - $4.4 MILLION MINE EQUIPMENT - $17.3 MILLION; MINE PLANT - $16.3 MILLION; BENEFICIATION PLANT - $93.3 MILLION; PELLET PLANT - $61.3 MILLION; AND INFRASTRUCTURE - $122.8 MILLION. THIS IS BASED ON A PREPOSED 4.3 MILLION MT/YR OPERATION AND A WASTE TO ORE RATIO OF 0.5:1. OPERATING COSTS ARE ESTIMATED AT: MINE $1.53/MT, AND MILL $2.73/MT. DRAWBACKS TO DEVELOPMENT HAVE BEEN BENEFICIATION AND TRANSPORTATION. BENEFICIATION WOULD REQUIRE FINE GRINDING AND MAGNETIC SEPARATION AND FLOTATION, SINCE THE ORE CONTAINS BOTH HEMATITE AND MAGNETITE. THERE HAS ALSO BEEN DIFFICULTY IN REDUCING THE PHOSPHORUS CONTENT (0.4 - 0.5 IN THE ORE) TO ACCEPTABLE LEVELS. CONCENTRATE TRANSPORTATION WOULD REQUIRE THE CONSTRUCTION OF A 22KM RAILROAD OR PIPELINE TO POCINHO. AN EXISTING RAIL ROAD CONNECTS POCINHO TO THE PORT OF LEIXOES (190 KM). PROPOSALS HAVE SUGGESTED THE PELLET PLANT TO BE BUILT AT POCINHO, LEIXOES, AND ALSO AT SEIXAL (NEAR LISBON). RIVER TRANSPORTATION ON THE DOURO RIVER HAS ALSO BEEN CONTEMPLATED BUT THIS WOULD REQUIRE AT LEAST TWO DAMS WITH LOCKS. THE DAMS HAVE BEEN IN THE POLITICAL ARENA FOR SOME YEARS, BUT AS FAR AS IS KNOWN, LITTLE PROGRESS HAS BEEN MADE ON THEIR ACTUAL PLANNING. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 12-JAN-95 | Bolis | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.