Ajax

Prospect in British Columbia, Canada with commodities Molybdenum, Copper
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. Mining district
  11. Ownership information
  12. Reserves and resources
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10303159
MAS/MILS ID 1220100052
Record type Site
Current site name Ajax
Alternate or previous names Ajax Molybdenum Deposit

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -129.54, 55.56 (WGS84)
Elevation 2300
Location accuracy 500(meters)
Relative position The Ajax Property is situated on the eastern flank of Mount McGuire and is approximately 16 km north of Kitsault in the Alice Arm area and near the past producing BC Moly Mine.

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ketchikan NE(quadrangle 1:100,000 scale)

Ketchikan E OE(quadrangle 1:250,000 scale)

Geographic areas

Country State
Canada British Columbia

Commodities

Commodity Importance
Molybdenum Primary
Copper Secondary

Materials information

Materials Type of material
Molybdenite Unknown

Nearby scientific data

Ore Body (1) -129.54, 55.56

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 STOCKWORK
    Shape of Orebody #1 MASSIVE
    Type of Orebody #2 FISSURE VEIN
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 SERICITIC
    Date of Last Modification 840807

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant Yes
Discovery year 1927

Mining district

District name Skeena

Ownership information

  • Type Owner-Operator
    Owner Newmont Mining Corp.
    Interest 100
    Home office Canada
    Year 1982
  • Type Owner
    Owner Creston Moly Corporation
    Interest 100
    Year 2011
    First year 2009

Reserves and resources

  • Type In-situ
    Estimate year 1982
    Indicated 418400000mt ore
    Demonstrated 418400000mt ore
    Total resources 418400000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum Mo 0.055 wt-pct Molybdenum Major 1982
  • Type In-situ
    Estimate year 2011
    Total endowment 552120000metric tons
    Remarks Inferred Resource of 483.12 million tones grading 0.061% Mo (NI 43-101 compliant) \nIndicated Resource of 69.0 million tonnes grading 0.065% Mo (NI 43-101 compliant) at 0.04% cutoff\n
    Commodity Subtype Grade units Group Importance Year
    Molybdenum Mo 0.0615 wt-pct Molybdenum Primary 2011
    Copper Cu 0.02 wt-pct Copper Secondary 2011

Comments on the reserve resource information

  • RESERVE CONFIRMED BY NEWMONT PERSONNEL, TO PAH, DURING AN ON-SITE VISIT.

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method PROPOSED
    Mining Method BLOCK CAVING 10-79
    Percent Recovery 80
    Hardness of Rock UNKNOWN
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Capacity 25000
    Capacity Units MT ORE/DAY
    Unit Production Cost 5.07
    Units of Production $/MT ORE
    Operating Days per Year 350
    Operating Shifts per Day 3
    Year of Information 1982

Reference information

Bibliographic references

  • Geology

    WOODCOCK, J.R., AND N.C. CARTER, GEOLOGY AND GEOCHEMISTRY OF THE ALICE ARM MOLYBDENUM DEPOSITS; A. SUTHERLAND BROWN, ED., IN PORPHYRY DEPOSITS IN THE CANADIAN CORDILLERA, SPECIAL VOLUME NO. 15, 1976, P.462-475.

  • Deposit

    Creston Moly Corporation, 2011, Ajax: web page accessed 10 August, 2011, at http://www.crestonmoly.com/s/Ajax.asp.

  • Reserve-Resource

    COSTIN, C.P. AN ECONOMIC ANALYSIS OF THE AJAX MOLYBDENUM DEPOSIT, B.C., CANADA. THESIS, 1975.

General comments

Subject category Comment text
General Creston (2011) webpage saved in Associated Files.

Reporter information

Type Date Name Affiliation Comment
Reporter 21-SEP-92 Palencia, Cesar M. U.S. Bureau of Mines

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.