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  3. Mineral Resource Data System (MRDS)

Deepdale

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 10231860
MAS/MILS ID 6020550058
Record type Site
Current site name Deepdale

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 115.9994, -21.74656 (WGS84)
Location accuracy 1000(meters)

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
Clay Unknown
Goethite Unknown
Hematite Unknown

Nearby scientific data

Ore Body (1) 115.9994, -21.74656
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 SEDIMENTARY
    Shape of Orebody #1 IRREGULAR
    Primary mode of Origin SEDIMENTATION
    Primary Ore Control UNKNOWN
    Date of Last Modification 860602

Comments on the geologic information

  • THE ORIGIN OF THE ORES IS ASCRIBED TO PRECIPITATION OF IRON FROM IRON SATURATED WATER TO FORM A COLLOIDAL GEL. THIS PROCESS WHICH TOOK PLACE UNDER ESTUARINE OR VERY MATURE FLUVIAL CONDITIONS, WAS AIDED BY BIOLOGICAL AGENCIES AND FAVOURABLE EH/PH CONDITIONS. PISOLITHS WERE THEN FORMED BY CONCRETIONARY PROCESSES AROUND CLASTIC AND ORGANIC NUCLEI. THREE DISTINCT HORIZONTAL ZONES ARE IDENTIFIABLE WITHIN THE PISOLITE SEQUENCE. THE MAIN OREBODY LIES BETWEEN A SURFACE WEATHERING ZONE AND THE BASAL CLAY-RICH ZONE. IT IS UP TO 40M THICK AND COMPRISES THE BULK OF THE MESA DEPOSITS. WITHIN THIS ZONE THE ORE IS A HIGH-GRADE, GOETHITE-HEMATITE PISOLITE WITH GOETHITE CEMENT AND MINOR CLAY IMPURITIES.

Economic information about the deposit and operations

Operation type Surface
Development status Prospect
Commodity type Metallic
Significant Yes

Ownership information

  • Type Operator
    Owner Dampier Mining Co. (Dmc)
    Year 1982
  • Type Owner
    Owner Broken Hill Prop. Co (Bhp)
    Year 1982

Comments on the production information

  • DEEPDALE IRON ORES RANK LOWER IN IRON GRADE THAN HIGH GRADE HEMATITES BEING PRODUCED ELSEWHERE IN THE PILBARA. HOWEVER, IN THE FORM OF SINTERING FINES, THE ORE HAS ESTABLISHED A MARKET SHARE IN SINTER PLANT BLENDS IN JAPAN AND TO SOME EXTENT IN EUROPE.

Reserves and resources

  • Type In-situ
    Estimate year 1981
    Measured 587200000mt ore
    Indicated 400000000mt ore
    Demonstrated 987200000mt ore
    Total resources 987200000mt ore
    Commodity Subtype Grade units Group Importance Year
    Iron Fe 57.34 wt-pct Iron Major 1981

Comments on the reserve resource information

  • NOTE ON# 6020550008 ROBE RIVE (PANNAWONICA) THAT THIS IS LIMONITE OREBODY HAVING 150 MILLION M.T. PROVED ORE. INCLUDES #6020550040 SUNRISE HILLS.

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Mining Method OPEN PIT
    Percent Waste Rock 19
    Avg. Bench Height (meters) 12
    Capacity 58600
    Capacity Units MT ORE/DAY
    Unit Production Cost 1.98
    Units of Production $/MT ORE
    Operating Days per Year 312
    Operating Shifts per Day 1
    Year of Information 1982

Comments on other economic factors

  • DEEPDALE IS CURRENTLY A NON-PRODUCING PROPERTY. THE COSTS AND CAPACITIES LISTED HERE ARE ESTIMATED FOR THE MINE AND MILL WHEN IN FULL PRODUCTION.
  • FINAL ORE PRODUCT WILL BE SHIPPED TO JAPAN OR EUROPE.

Reference information

Bibliographic references

  • Deposit

    PEARSON, T.P. ETAL, DEEPDALE DEVELOPMENT AND ORE UTILISATION

  • Deposit

    BHP TECHNICAL BULLETIN, VOL. 25, NO. 1, MAY, 1981,

  • Deposit

    PP 61-67.

  • Deposit

    MINING MAGAZINE, GO-AHEAD FOR NEW PILBARA MINE, OCTOBER,

  • Deposit

    1975, P. 251.

  • Deposit

    TEX REPORT, DEEP DALE IRON MINE, PP 166-168.

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.

Maps centered on this site