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Cannon Gold Mine

Plant in Chelan county in Washington, United States with commodities Gold, Silver
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Ore body information
  9. Economic information about the deposit and operations
  10. Mining district
  11. Mineral rights holdings
  12. Land status
  13. Ownership information
  14. Production statistics
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10252776
MRDS ID W700462
MAS/MILS ID 0530070666
Record type Site
Current site name Cannon Gold Mine
Alternate or previous names B Reef Mine, Cannon, Cannon Mine
Related records 10085026

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -120.32616, 47.39543 (WGS84)
Elevation 335
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Chelan(county)

Washington(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Wenatchee(quadrangle 1:24,000 scale)

Wenatchee(quadrangle 1:100,000 scale)

Wenatchee(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Columbia-Entiat(hydrologic unit)

Upper Columbia(hydrologic accounting unit)

Upper Columbia(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Washington Chelan

Public Land Survey System information

Meridian Township Range Section Fraction State
Willamette 022 N 020 E 16 SESE Washington

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Nearby scientific data

Main Entrance (1) -120.32616, 47.39543
ListMap

Economic information

Ore body information

  • Strike N30W
    Dip 10N
    Thickness 46M
    Length 180M
    Width 180M
    Depth to top 76M
    Field Value
    MAS Matrix # 2
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Type of Orebody #3 STRATABOUND
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FOLDING
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N30W:10N
    Minimum Depth to Top 61
    Avg. Thick. Unconsol. Mat. 30
    Min. Thick. Unconsol. Mat. 15
    Date of Last Modification 860730
  • Strike N30W
    Dip 40N
    Thickness 40M
    Length 150M
    Width 100M
    Depth to top 120M
    Field Value
    MAS Matrix # 3
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Shape of Orebody #2 LENTICULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N30W:40N
    Minimum Depth to Top 100
    Avg. Thick. Unconsol. Mat. 30
    Min. Thick. Unconsol. Mat. 15
    Date of Last Modification 860730
  • Strike N80W
    Dip 80W
    Thickness 95M
    Length 78M
    Width 95M
    Depth to top 85M
    Field Value
    MAS Matrix # 4
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N80W:80W
    Minimum Depth to Top 15
    Avg. Thick. Unconsol. Mat. 30
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 860724
  • Strike N60W
    Dip 10W
    Thickness 4M
    Length 700M
    Width 190M
    Field Value
    MAS Matrix # 5
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 DISSEMINATED
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control LITHOLOGY
    Secondary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 INTERM ARGILLIC
    Type of Wallrock Alter. #2 SILICIFICATION
    Type of Wallrock Alter. #3 PYRITIZATION
    Strike And Dip N60W:10W
    Minimum Depth to Top 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 860724
  • Area 73HA
    Field Value
    Total Surface Area (HA) 73
    Date of Last Modification 910418

Comments on the geologic information

  • GEOLOGY (MATRIX 2 COLUMN 1) DESCRIBES THE B NORTH OREBODY, CURRENTLY BEING MINED. GEOLOGY (MATRIX 3 COLUMN 1) DESCRIBES THE TENNECO OREBODY, PROPOSED FOR DEVELOPMENT AFTER THE B NORTH OPERATION. THIS PORTION OF THE DEPOSIT IS THOUGHT TO BE AN EXTENSION OF THE B NORTH ZONE. OREBODY DIMENSIONS AND STRIKE AND DIP ARE ESTIMATES. . GEOLOGY (MATRIX 4 COLUMN 1) DESCRIBES THE B WEST AND B REEFS. THESE ARE PROPOSED FOR DEVELOPMENT AFTER THE TENNECO PROPERTY. OREBODY DIMENSIONS AND STRIKES AND DIPS ARE ESTIMATED AVERAGES. . GEOLOGY (MATRIX 5 COLUMN 1) DESCRIBES THE D REEF WHICH IS PROPOSED FOR DEVELOPMENT AFTER ALL OTHER OREBODIES ARE EXAUSTED. OREBODY DIMENSIONS AND STRIKE AND DIPS ARE ESTIMATES.

Economic information about the deposit and operations

Operation type Underground
Development status Plant
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1982
Mining method Filled Stopes - Horiz Cut and Fill W/Tailings
Year of first production 1985
Plant type Leach
Plant subcategory Flotation
Milling method Flotation

Mining district

District name Wenatchee

Mineral rights holdings

Type of mineral rights Private Lease
Type of mineral rights Fee Ownership

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Asamera, Inc.
    Interest 51
    Year 1990
  • Type Owner
    Owner Breakwater Resources
    Interest 49
    Year 1990

Production statistics

  • Year 1985
    Description Mill Feed 134000 Metric Tons Ore
  • Year 1986
    Description Mill Feed 407000 Metric Tons Ore
  • Year 1987
    Description Mill Feed 442000 Metric Tons Ore
  • Year 1988
    Description Mill Feed 475000 Metric Tons Ore
  • Year 1989
    Description Mill Feed 473000 Metric Tons Ore
  • Year 1991
    Description Silver 170935 Oz
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Silver Silver 5316673.52g
  • Year 1991
    Description Gold 108055 Oz
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 3360886.63g

Comments on the production information

  • YIELD LINES 03 THUR 08 REFLECT YIELD RATE VARIATION DURING THE LIFE OF THE OPERATION, (SEE ECONOMIC TIME DIAGRAM).
  • PRODUCT DATA SHEET APPLIES TO ENTIRE OPERATION LIVE, YIELDS VARY AS INDICATED IN THE YIELD DATA SET. .

Reserves and resources

  • Type In-situ
    Estimate year 1990
    Demonstrated 3756000mt ore
    Total resources 3756000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 9.05 g/mt Gold Major 1990
    Silver Ag 16.8 g/mt Silver Minor 1990

Comments on the reserve resource information

  • RESOURCE INFORMATION IS BASED ON BREAKWATER RESOURCES 1985 ANNUAL REPORT. NO DATA ON SILVER VALUES WAS AVAILABLE.
  • MILLING ORE. 1988 AU PRODUCTION= 130,000 OZ. 1989 AU PROD. = 150,420 OZ FROM MILLING 472,547 MT ORE. 1989 RESERVE = 972,000 CONT. OZ. AU. ORIG. PEFR RECEIVED JULY,1986. COST UPDATES RECEIVED OCT.1990. WILL BE INCLUDED IN ANALYSIS FOR THE 1992 AU AVAILABILITY STUDY. MINE CLOSED DEC. 1994 - RESERVES DEPLETED
  • MATRIX 1 COLUMN 2 DENOTES TOTAL COMBINED RESOURCE AT THE DEMONSTRATED LEVEL. . TONNAGE AND GRADE REFLECT A 15 PCT DILUTION FACTOR. . MATRIX 2 COLUMN 1 DENOTES TOTAL "B" NORTH REEF OREBODY RESOURCE AT THE DEMONSTRATED LEVEL. . MATRIX 3 COLUMN 1 DENOTES TENNECO BLOCK RESOURCES AT THE IDENTIFIED LEVEL. . MATRIX 3 COLUMN 2 DENOTES TENNECO BLOCK RESOURCE AT THE DEMONSTRATED LEVEL. . MATRIX 4 COLUMN 1 DENOTES "B" AND "B" WEST REEFS RESOURCE AT THE DEMONSTRATED LEVEL. . MATRIX 5 COLUMN 1 DENOTES "D" REEF RESOURCE AT THE IDENTIFIED LEVEL.

Workings at the site

  • Type of workings Underground
    Length 7516M
    Overall depth 206M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OTHER FILLED STOPE METHODS
    Percent Recovery 100
    Hardness of Rock SOFT NONPLASTIC WITH LITTLE WATER
    Rock Characteristics MULTIPLE SYSTEMS OF WEAKNESS PLANES
    Rock Support Chars. SUPPORTING
    Mine Support Chars. POST, HEADBOARD, CAPS, ROOF BOLTS
    Number of Shafts 1
    Length of Inclines (m) 2820
    Slope of Inclines 15
    Number of Inclines 1
    Avg. Length of Adits (m) 2000
    1st Condition of Workings OPEN
    Capacity 2540
    Capacity Units MT ORE/DAY
    Unit Production Cost 34.28
    Units of Production $/MT ORE
    Operating Days per Year 260
    Operating Shifts per Day 2
    Year of Information 1986

Comments on the workings information

  • THIS IS NOT A HEAP LEACH OPERATION.

Comments on other economic factors

  • FEED LINES 03 THRU 08 REFLECT FEED RATES VARIATION DURING THE LIFE OF THE OPERATION, (SEE ECONOMIC TIME DIAGRAM).

Reference information

Bibliographic references

  • Deposit

    WASHINGTON GEOLOGY, MARCH 1995. (CLOSURE)

  • Deposit

    ARGALL, G. O., JR. CANNON TAKES OVER SECOND PLACE AMONG

  • Deposit

    U.S. UNDERGROUND GOLD MINES. ENGINEERING AND MINING

  • Deposit

    JOUR., FEBRUARY, 1988, P. 34.

  • Deposit

    ASAMERA INC. ANNUAL REPORT, 1984, 1985, 1989.

  • Deposit

    ASAMERA INC. MINE AND MILL INFORMATION PAHPHLET. ASAMERA

  • Deposit

    INC. 1985, 10 PP.

  • Deposit

    BEAK CONSULTANTS, INC. INFORMATION BASELINE REPORT - CANNON

  • Deposit

    MINE. PORTLAND, OR, JAN., 1984.

  • Deposit

    BREAKWATER RESOURCES LTD. ANNUAL REPORT, 1984, 1985, 1989.

  • Deposit

    BREAKWATER RESOURCES LTD. PRODUCTION COMMENCES, NEWS

  • Deposit

    RELEASE, JULY 16, 1985, 2 PP.

  • Deposit

    BREAKWATER RESOURCES LTD. PROPERTY ACQUISITION. NEWS

  • Deposit

    RELEASE, OCT. 1, 1985, 2 PP.

  • Deposit

    BREAKWATER RESOURCES LTD. 4TH QUARTER REPORT - 1989. NEWS

  • Deposit

    RELEASE, FEB. 12, 1990, 2 PP.

  • Deposit

    BREAKWATER RESOURCES LTD. CANNON MINE PROGRESS REPORT.

  • Deposit

    SHAREHOLDERS REPORT. OCT. 23, 1985, 3 PP.

  • Deposit

    SHAREHOLDERS REPORT. FEB. 3, 1986, 2 PP.

  • Deposit

    CHELAN COUNTY PLANNING DEPARTMENT. CANNON MINE PROJECT -

  • Deposit

    DRAFT ENVIRONMENTAL IMPACT STATEMENT. CHELAN COUNTY

  • Deposit

    PLANNING DEP., WA DEPT. ECOLOGY, MAR. 22, 1985.

  • Deposit

    CHELAN COUNTY PLANNING DEPARTMENT. CANNON MINE PROJECT -

  • Deposit

    FINAL ENVIRONMENTAL IMPACT STATEMENT. CHELAN COUNTY

  • Deposit

    PLANNING DEP., WA DEPT. ECOLOGY, MAY 31, 1985.

  • Deposit

    COURTRIGHT, K. PACIFIC NORTHWEST METALS AND MINERALS

  • Deposit

    CONFERENCE-FIELD TRIP REPORT. U.S. BUREAU OF LAND

  • Deposit

    MANAGEMENT, SPOKANE, WA OFFICE, MAY 2, 1985, 3 PP.

  • Deposit

    DUVAL, D. ASAMERA/BREAKWATER'S CANNON MINE FULL OUT. THE

  • Deposit

    NORTHERN MINER, FEB. 24, 1986, P. 1.

  • Deposit

    ENGINEERING AND MINING JOURNAL. MINING ACTIVITY DIGEST:

  • Deposit

    NEW DEVELOPMENT HIGHLIGHTS. ENG. AND MIN. JOUR., MAY 24,

  • Deposit

    1985, 1 P.

  • Deposit

    EPLER, B., JULY STARTUP IS SCHEDULED FOR CANNON GOLD MINE.

  • Deposit

    PAY DIRT (BIG SKY), APR. 1985, P. 3A.

  • Deposit

    GELLER, B. ROCK RHETORIC. THE MINING RECORD. DEC. 4, 1985,

  • Deposit

    P. 14.

  • Deposit

    MINING JOURNAL. JUNE START-UP FOR CANNON. MAY, 1985.

  • Deposit

    MINING JOURNAL. CANNON HELPS CASH FLOW. OCT. 4, 1985,

  • Deposit

    PP. 280-281.

  • Deposit

    MINING JOURNAL. CANNON MAKES A BANG. OCT. 11, 1985, P. 1.

  • Deposit

    MINING JOURNAL. CANNON MINE EXPANSION. NOV. 1, 1985, P. 1.

  • Deposit

    O'NEIL, T. ASAMERA'S CANNON MINE IS LARGEST NORTH AMERICAN

  • Deposit

    UNDERGROUND GOLD MINE TO BECOME OPERATIONAL THIS YEAR.

  • Deposit

    MIN. ENG. MAGAZINE, DEC. 1985, PP. 1355-1358.

  • Deposit

    OPPENHEIMER & CO. INC. NEW GOLD MINE BEGINNING PRODUCTION.

  • Deposit

    PROGRESS REPORT, SEPT. 10, 1985, 12 PP.

  • Deposit

    RANDOL GOLD DIRECTORY, 1990.

  • Deposit

    SKILLINGS' MINING REVIEW. ASAMERA/BREAKWATER'S CANNON GOLD

  • Deposit

    PROJECT AT WENATCHEE DEDICATED SEPT. 19. NOV. 2, 1985,

  • Deposit

    PP. 4-10.

  • Deposit

    SKILLING'S MINING REVIEW. BREAKWATER RESOURCES ANNOUNCES

  • Deposit

    CANNON MINE PROGRESS REPORT. MAR. 8, 1986, P. 17.

  • Deposit

    U.S. BUREAU OF MINES. HEAVY METALS PROGRAM-SITUATION REPORT

  • Deposit

    16, WENATCHEE DISTRICT, CHELAN COUNTY, WA. FEB. 1967,

  • Deposit

    21 PP.

  • Deposit

    U.S. GEOLOGICAL SURVEY. PRINCIPLES OF A RESOURCE/RESERVE

  • Deposit

    CLASSIFICATION FOR MINERALS. U.S. GEOLOGICAL SURVEY CIRC. 831,

  • Deposit

    1980, 5 PP.

  • Deposit

    WESTERN MINER. ASAMERA DRILLS TENNECO BET. MAY 19, 1986,

  • Deposit

    P. 1.

  • Deposit

    WA STATE DIV. GEOL. & EARTH RESOURCES, WA GEOL. NEWSLETTER,

  • Deposit

    V. 1, NO. 1, MAR. 1990, PP. 6, 15.

  • Deposit

    WA DIV. OF GEOL. & EARTH RESOURCES, WA. GEOL., V. 19, NO.1,

  • Deposit

    MAR, 1991, P. 6.

General comments

Subject category Comment text
Environmental Factors TAILINGS: THE IONS (CL, SO4, FE) ARE IN EXCESS OF E.P.A. DRINKING WATER STANDARDS.
Environmental Factors WASTE IS RETURNED TO MINE AS BACKFILL.

Reporter information

Type Date Name Affiliation Comment
Reporter 16-DEC-96 Longwill 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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