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  3. Mineral Resource Data System (MRDS)

Rhodes Ridge

Prospect in Western Australia, Australia with commodity Iron
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Ownership information
  11. Reserves and resources
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10304726
MAS/MILS ID 6020550021
Record type Site
Current site name Rhodes Ridge

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 119.38257, -28.12951 (WGS84)

Site location context

Political divisions (FIPS codes)

Western Australia(province)

Australia(country)

Australia(continent)

Land(continent)

Geographic areas

Country State
Australia Western Australia

Commodities

Commodity Importance
Iron Primary

Materials information

Materials Type of material
Chert Unknown
Clay Unknown
Dolomite Unknown
Goethite Unknown
Hematite Unknown
Magnetite Unknown
Quartz Unknown

Nearby scientific data

Ore Body (1) 119.38257, -28.12951
ListMap

Economic information

Ore body information

  • Thickness 300M
    Length 2310M
    Width 290M
    Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 REPLACEMENT
    Shape of Orebody #1 TABULAR
    Primary mode of Origin RESIDUAL CONCENT
    Primary Ore Control FOLDING
    Date of Last Modification 860602

Comments on the geologic information

  • HEMATITE-GOETHITE ORE IS DEVELOPED IN THE IRON FORMATION BY THE ENRICHMENT OF THE JASPILITE BY CIRCULATING GROUND WATER. THIS IS APPARENTLY ACCOMPLIHED BY SOLUTION AND REMOVAL OF SILICA AND CARBONATES, THE OXIDATION OF MAGNETITE TO HEMATITE (AS MARTITE) AND DEPOSITION OF ADDITIONAL IRON AS GOETHITE. THE IRON FORMATION IS LAMINATED TO THIN-BEDDED AND CONSISTS ESSENTIALLY OF QUARTZ AND MAGNETITE WITH LESSER BUT SIGNIFICANT CARBONATE MINERALS. NEAR SURFACE WEATHERING IS CHARACTERIZED BY THE FORMATION OF HEMATITE AND GEOTHITE, AND ENRICHMENT OF THE ROCK IN IRON RELATIVE TO SILICA. REGIONALLY, THE FOLDING OF THE ROCKS IS SLIGHT TO MODERATE

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant Yes

Ownership information

  • Type Owner-Operator
    Owner Cra And Hancock-Wright
    Interest 100
    Year 1982

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Measured 1000000000mt ore
    Demonstrated 1000000000mt ore
    Total resources 1000000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 62.2 wt-pct Iron Major 1981

Comments on the reserve resource information

  • WESTERN RIDGE./@ 500000MT.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method OPEN PIT
    Percent Waste Rock 52
    Capacity 93300
    Capacity Units MT ORE/DAY
    Unit Production Cost 3.1
    Units of Production $/MT ORE
    Operating Days per Year 300
    Operating Shifts per Day 3
    Year of Information 1982

Comments on other economic factors

  • RHODES RIDGE IS CURRENTLY A NON-PRODUCING PROPERTY. THE EXPECTED FIRST YEAR OF PRODUCTION IS 1991, WITH 28,000,000 MT/YR MINED AND MILLED BY 1992 WHEN THE PROPERTY IS IN FULL PRODUCTION. COST AND CAPACITY INFORMATION LISTED IN THIS REPORT ARE ESTIMATED FOR THE YEAR 1992.

Reference information

Bibliographic references

  • Deposit

    MINING ENGINEERING, A SELECTIVE SAMPLE OF AUSTRALIA'S NEW

  • Deposit

    MINING PROJECTS, JANUARY, 1977, P. 36.

Reporter information

Type Date Name Affiliation Comment
Reporter 13-FEB-1995 Bolis 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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