| Deposit ID | 10303796 |
|---|---|
| MAS/MILS ID | 4690350001 |
| Record type | Site |
| Current site name | Marquesado |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -3.14431, 37.041 (WGS84) |
| Elevation | 1780 |
| Location accuracy | 1000(meters) |
Political divisions (FIPS codes)
Spain(country)
Europe(continent)
Land(continent)
| Country |
|---|
| Spain |
| Commodity | Importance |
|---|---|
| Iron | Primary |
| Materials | Type of material |
|---|---|
| Goethite | Unknown |
| Hematite | Unknown |
| Ore Body (1) | -3.14431, 37.041 |
|---|
| Thickness | 320M | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Length | 2000M | ||||||||||||||||||||
| Width | 1000M | ||||||||||||||||||||
| Depth to top | 114M | ||||||||||||||||||||
| |||||||||||||||||||||
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | Yes |
| Year of first production | 1966 |
| Type | Operator |
|---|---|
| Owner | Cia Andalua Minas S. A. |
| Year | 1981 |
| Type | Owner |
|---|---|
| Owner | Cie De Motka |
| Interest | 62 |
| Year | 1981 |
| Type | Owner |
|---|---|
| Owner | Banco Hispano Americano |
| Interest | 19 |
| Year | 1981 |
| Type | Owner |
|---|---|
| Owner | Banco Urquito |
| Interest | 19 |
| Year | 1981 |
| Year | 1980 |
|---|---|
| Description | 2000000 01 |
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1981 | |||||||||||||||||||||
| Indicated | 45000000mt ore | |||||||||||||||||||||
| Demonstrated | 45000000mt ore | |||||||||||||||||||||
| Inferred | 85000000mt ore | |||||||||||||||||||||
| Total resources | 130000000mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type of workings | Surface | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 4690350001 |
HUTTL, JOHN B., MARQUESADO - SPAIN'S LARGEST IRON MINE.,
ENG. & MIN. JOURN., V. 160, DECEMBER, 1959, PP 96-99.
MINING MAGAZINE, MARQUESADO - SPAIN'S PREMIER IRON ORE MINE
FORGES AHEAD, V. 122, NO. 5, MAY, 1970, PP 356-366.
SKILLINGS' MINING REVIEW, CIA ANDALUZA DE MINAS S.A.'S IRON
ORE OPERATIONS IN SPAIN, JUNE 14, 1978, PP 14-18.
SKILLINGS, DAVID N., JR., C.A.M. IRON ORE OPERATIONS AT
MARQUESADO AND ALMERIA PORT, APRIL 18, 1981, PP 16-19.
WORLD MINING, SPAIN NEEDS MORE IRON ORE, JUNE, 1969,
PP 29-32.
GRUENERT, E.H., HOW SPAIN PLANS TO DOUBLE MINE OUTPUT BY
1980, JUNE 1972, PP 38-42.
| Subject category | Comment text |
|---|---|
| Deposit | MINING BEGAN IN ABOUT 1900 FROM A SMALL UNDERGROUND MINE; AND WAS RELATIVELY CONTINUOUS SINCE. SHIPPING BEGAN IN 1950 AND THE OPEN PIT WAS PHASED INTO SUPPLY ALL THE ORE BY 1966. THE OVERBURDEN IS UNCONSOLIDATED GRAVEL WHICH IS DOGED INTO A CONVEYOR HOPPER FOR REMOVAL, SOME LIMESTONE STRINGERS WITHIN THE ORE HORIZON MUST ALSO BE REMOVED. THE ORE IS RELATIVELY SOFT AND POROUS SO BECAUSE OF THE POROSITY, GROUND WATER ENCROACHES ON THE PIT WHICH REQUIRES CONSIDERABLE EFFORT TO PUMP OUT. BENEFICIATION IS BY SIZING (LUMP) AND HEAVY MEDIA (SINTER FINES); A MAGNETIC SEPARATION PROCESS HAS BEEN PLANNED FOR A NUMBER OF YEARS, BUT HAS APPARENTLY NOT YET BEEN INSTALLED. THE CONCENTRATES ARE RELATIVELY LOW GRADE (50-54 PCT), BUT THEY ARE SELF FLUXING, AND BECAUSE OF THEIR POROSITY ARE EASY TO SMELT. CAPITAL COSTS HAVE BEEN DEPRECIATED; ANNUAL CAPITAL REPLACEMENT COSTS ARE ESTIMATED ABOUT $1.3 MILLION (MINE) AND $2.5 MILLION (INFRASTRUCTURE MAINTENANCE). |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 23-SEP-96 | Bolis | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.