| Deposit ID | 10280620 |
|---|---|
| MAS/MILS ID | 7910200186 |
| Record type | Site |
| Current site name | Simmergo Division Ergo |
| Alternate or previous names | Simmer and Jack |
| Geographic coordinates: | 28.13475, -26.2299 (WGS84) |
|---|
Political divisions (FIPS codes)
South Africa(country)
Africa(continent)
Land(continent)
| Country |
|---|
| South Africa |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| (1) | 28.13475, -26.2299 |
|---|
| Operation type | Surface |
|---|---|
| Development status | Producer |
| Commodity type | Metallic |
| Significant | Yes |
| Milling method | Hydrometallurgy Unspecified |
| Type | Owner-Operator |
|---|---|
| Owner | Ergo |
| Type | Owner |
|---|---|
| Owner | Anglo American Corp |
| Type | In-situ | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Estimate year | 1982 | |||||||||||||||||||||
| Indicated | 89799999mt ore | |||||||||||||||||||||
| Demonstrated | 89799999mt ore | |||||||||||||||||||||
| Total resources | 89799999mt ore | |||||||||||||||||||||
| ||||||||||||||||||||||
| Type of workings | Surface | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||
| Type of workings | Underground | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||||||||||||||||
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| U.S. Bureau of Mines | Minerals Availability System | MAS | 7910200186 |
| Subject category | Comment text |
|---|---|
| Deposit | DAILY MINING CAPACITY AND THE OTHER 67% ARE MINED BY SURFACE METHOD FROM SURFACE DUMPS. S1 DEV 1 REC 2 IS FOR MINING SURFACE SLIME DAMS 2003- 2033 WITH 45% RECOVERY. Q1 + Q2 = Q3 Q-MAT-1 IS 23 M MT OF SURFACE DUMP WITH IN-SITU GRADE OF .93 G/MT AU AND 11 M MT OF IN-SITU UNDERGROUND ORE AT 4.0 G/MT. Q-MAT-2 IS SURFACE SLIME DAMS TOTALED 56 M MT AT .5 G/MT IN-SITU GRADE. Q-MAT-3 EQUALS THE SUM OF MINEABLE MATERIAL Q1 AND Q2 TOTALED 89.8 M MT AT WEIGHTED AVERAGE GRADES OF 1.04 G/MT AU AND .1 G/MT AG. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 15-OCT-1992 | Boyle, Ed | U.S. Bureau of Mines |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.