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  3. Mineral Resource Data System (MRDS)

Marievale

Producer in South Africa with commodities Gold, Silver
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Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Ownership information
  9. Reserves and resources
  10. Workings at the site
  11. Links to other databases
  12. Reporter information

Geologic information

Identification information

Deposit ID 10183553
MRDS ID W026845
MAS/MILS ID 7910200054
Record type Site
Current site name Marievale
Related records 10078497

Geographic coordinates

Point of reference Plant
Geographic coordinates: 28.48475, -26.34659 (WGS84)

Site location context

Political divisions (FIPS codes)

South Africa(country)

Africa(continent)

Land(continent)

Geographic areas

Country
South Africa

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Nearby scientific data

Plant (1) 28.48475, -26.34659
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Milling method Hydrometallurgy Unspecified

Ownership information

  • Type Owner-Operator
    Owner Marievale Consolidated
  • Type Owner
    Owner Genor

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Indicated 750000mt ore
    Demonstrated 750000mt ore
    Total resources 750000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4 g/mt Gold Major 1982
    Silver Ag 0.4 g/mt Silver Minor 1982
  • Type In-situ
    Estimate year 1982
    Indicated 1800000mt ore
    Demonstrated 1800000mt ore
    Total resources 1800000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.5 g/mt Gold Major 1982
    Silver Ag 0.05 g/mt Silver Minor 1982
  • Type In-situ
    Estimate year 1982
    Indicated 2550000mt ore
    Demonstrated 2550000mt ore
    Total resources 2550000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.53 g/mt Gold Major 1982
    Silver Ag 0.2 g/mt Silver Minor 1982

Comments on the reserve resource information

  • 1989 AU PROD. = 24,402 OZ FROM MILLING 347,380 MT ORE. WAS UPDATED FOR THE 1992 AU AVAILABILITY STUDY. 1991 PROD. = 19,624 OZ AU FROM TREATING 171,000 TNS ORE.
  • Q-MAT-1 UNDERGROUND TONNAGE, COMPRISE OF 29% OF ANNUAL FEED. ORE IS FROM KIMBERLY REEF. Q-MAT-2 SUFACE DUMP, COMPRISE OF 71% OF ANNUAL FEED. Q-MAT-3 COMBINED Q1 AND Q2, WEIGHTED AVERAGE GRADE IS ETD GRADE. RESERVE WOULD LAST 3 YEARS ONLY.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method OPEN PIT
    Capacity 2430
    Capacity Units MT ORE/DAY
    Unit Production Cost 9.56
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 2
    Year of Information 1981

Comments on other economic factors

  • 2430 MTPD MINED, WHICH INCLUDE 700 MTPD BY UNDERGROUND METHOD. MINE OP COST FOR UNDERGROUND IS $26.04 PER MT AND $6.60 PER MT FOR SURFACE METHOD RESULTING A WEIGHTED AVERAGE COST OF $9.57 PER MT FOR ETD.

Reference information

Reporter information

Type Date Name Affiliation Comment
Reporter 28-SEP-1992 Boyle, Ed U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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