| Deposit ID | 10182763 |
|---|---|
| MAS/MILS ID | 3010130011 |
| Record type | Site |
| Current site name | Cerro Del Burro |
| Alternate or previous names | Marmato Y Echandia |
| Point of reference | Ore Body |
|---|---|
| Geographic coordinates: | -75.62471, 5.46801 (WGS84) |
| Elevation | 1400 |
Political divisions (FIPS codes)
Caldas(province)
Colombia(country)
South America(continent)
Land(continent)
| Country | State |
|---|---|
| Colombia | Caldas |
| Commodity | Importance |
|---|---|
| Gold | Tertiary |
| Silver | Tertiary |
| Materials | Type of material |
|---|---|
| Calcite | Unknown |
| Chalcopyrite | Unknown |
| Pyrite | Unknown |
| Quartz | Unknown |
| Sphalerite | Unknown |
| Ore Body (1) | -75.62471, 5.46801 |
|---|
| Thickness | 0.9M | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Length | 800M | ||||||||||||||||||||||||||||
| Area | 50HA | ||||||||||||||||||||||||||||
| Depth to top | 0M | ||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||
| Operation type | Underground |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | No |
| Discovery year | 1550 |
| District name | Marmato |
|---|
| Type of mineral rights | State Lease |
|---|---|
| Type of mineral rights | Private Lease |
| Type of mineral rights | Minerals Only |
| Ownership category | State |
|---|
| Type | Owner |
|---|---|
| Owner | Div. De Minas. Ministerio De Minas Y Petroleos (Govnt.) |
| Interest | 100 |
| Home office | Colombia |
| Year | 1975 |
| Type | Operator |
|---|---|
| Owner | Private Concerns (Echandia) |
| Home office | Colombia |
| Year | 1975 |
| Type of workings | Underground | ||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Length | 20000M | ||||||||||||||||||||||||||||||||||||||||||||||||
| Overall depth | 0M | ||||||||||||||||||||||||||||||||||||||||||||||||
| |||||||||||||||||||||||||||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 3010130011 |
OCTOBER 14, 1975: HALL, R.B., 1970, MINERAL RESOURCES OF ANT
AND CALDAS [SPAN]: I.N.I.G.M., BOL. GEOL. VOL. 18, NO. 2, PP
LOPEZ, J.H., 1971, MINERAL OCURRENCES OF CALDAS [SPAN]: I.N.
REP. NO. 1602, PP. 92-94
SINGEWALD, Q., 1949, MINERAL RESOURCES OF COLOMBIA: USGS B.
964-B, P. 134. (204 PGS., MAPS).
| Subject category | Comment text |
|---|---|
| Deposit | OCTOBER 14, 1975: ECHANDIA IS 500 MTS. NORTH OF MARMATO. ONE HUNDRED MINERS WORK THE MINE (MARMATO) INDEPENDENTLY AND ARE PAID AT THE MILL BY THE RECOVERED GOLD FROM THEIR ORE. THE AVERAGE MINEABLE GRADE IS ACTUALLY HIGHER, BUT DUE TO TH MITIVE TECHNICAL SYSTEM USED IN THE MILL ONLY 8.0 GRMS ARE R THE ORE IS SELECTED INSIDE THE MINE BY HAND AND IS TAKEN OUT BACKS OF THE MINERS. THE HOLES FOR EXPLOSIVES ARE MADE BY HA IT HAS BEEN SUGGESTED TO MAKE A SYSTEMATIC EVALUATION OF TH BUT THE MINERS DO NOT WANT THIS. IN 1967 71,312 GRMS AU AND 60,823GRMS AG WERE PROD.80% FROM AU-AG RATIOS ARE 1 TO 2.8 AT MARMATO. ABOUT HALF THE RECOVER IS IN FREE STATE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 27-FEB-1984 | Ljb | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.