Mayflower Mine

Past Producer in Madison county in Montana, United States with commodities Gold, Tellurium, Silver

Geologic information

Identification information

Deposit ID 10019512
MRDS ID DC10726
Record type Site
Current site name Mayflower Mine
Alternate or previous names Renova

Geographic coordinates

Geographic coordinates: -112.00226, 45.79351 (WGS84)
Elevation 1548
Relative position 7 MILES SE OF WHITEHALL.
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Geographic areas

Country State County
United States Montana Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 001N 003W 32 NW OF SE Montana

Commodities

Commodity Importance
Gold Primary
Tellurium Primary
Silver Secondary

Materials information

Materials Type of material
Calaverite Ore
Sylvanite Ore
Quartz Gangue

Alteration

  • (Local) Silicification, Brecciation, Oxidation

Mineral occurrence model information

Model code 84
USGS model code 22b
Deposit model name Alkaline Au-Te (Au-Ag-Te veins)
Mark3 model number 80

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
    Rock unit name Volcanic Rocks
    Rock description Volcanic Rocks
    Stratigraphic age (youngest) Paleocene
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Mississippian
    Stratigraphic age (youngest) Mississippian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Madison
    Rock description Madison

Nearby scientific data

(1) -112.00226, 45.79351

Geologic structures

Type of structure Local
Structure description Several Faults, A Nw Fault With Ne Dip Displaces The Ore Body 300 Ft. To East. (Winchell, 1914)

Ore body information

  • General form CHIMNEYS, PIPES
    Strike N 50 E
    Dip 85 SE
    Depth to bottom 213.36M
    Depth to top 0M
    Width 1.52M
    Length 18.29M

Controls for ore emplacement

  • Fault Zone, Limestone Bed

Comments on the geologic information

  • TANSLEY (1933) CALLS LIMESTONE CAMBRIAN, BUT DESCRIPTION AND LOCATION SUGGEST MADISON FM. WINCHELL (1914) DESCRIBES ANDESITE INTRUSIVE 1000 FT. SOUTHEAST OF THE MINE.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1896

Mining district

District name Whitehall (Renova) District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner The Anaconda Co.
    Home office Hennessy Bldg, Butte, Mt.
    First year 1958

Production statistics

  • Year 1901
    Period 1896-1901
    Accuracy Estimate
    Description Cp_Grade: ^7.3 Oz/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Gold Gold 206g/mt
  • Year 1958
    Period 1896-1958
    Material ore
    Ore mined 130,519mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major AU Gold Gold 7,002,140g
    Minor AG Silver Silver 27,505,959g

Comments on the production information

  • ESTIMATE ASSUMES AU PRODUCTION AT $20.67/OZ. MINE WAS LARGEST MONTANA AU PRODUCER IN 1938 AND 1939.

Reserves and resources

  • Type In-situ
    Estimate year 1998
    Total resources 7,467,000mt ore

Workings at the site

  • Type of workings Underground
    Overall depth 298.7M

Comments on the workings information

  • A 925 FT. WINZE WAS SUNK ON MAJOR (SOUTH) ORE SHOOT FROM A 700 FT. TUNNEL. THE 5 FT. WIDE, NORTH ORE-SHOOT WAS ALSO DEVELOPED FROM THIS TUNNEL. A LARGE AREA OF STOPES EXTENDS ABOVE AND BELOW THE 300-FT. WATER TABLE

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS DC10726
USGS Mineral Resources Data System MRDS W013447 Deposit ID 10196911 (Mayflower)
U.S. Bureau of Mines Minerals Availability System MAS 0300570038 Deposit ID 10196911 (Mayflower)
USGS Mineral Resources Data System MRDS DC10727 Deposit ID 10101989 (West Mayflower Mine)
USGS Mineral Resources Data System MRDS W013447 Deposit ID 10070493 (Mayflower Mine)

Bibliographic references

  • Deposit

    USGS BULL 574, P. 97-101.

  • Deposit

    MBMG MEM 9, P. 31-32.

  • Deposit

    USBM IC 6972, P. 71-72.

  • Deposit

    REYNER, M.L., 1950, DIRECTORY OF MINING PROPERTIES, 1949: MT. BUREAU OF MINES AND GEOL., MEMOIR 31, P.74. BYRNE, J., 1901, TWELFTH ANNUAL REPORT-INSPECTOR OF MINES, STATE OF MONTANA, 1900, P.21.

  • Deposit

    1914 RECON WINCHELL, A.N., U.S.G.S. BULLETIN 57

  • Production

    MBMG MEM. 9, MBMG MEM 31

General comments

Subject category Comment text
Deposit ORE BODIES LIE ON NW SIDE OF STRONG FAULT.ENRICHED OXIDIZED ORE WAS MINED DOWN TO THE 300 FT. LEVEL. SULPHIDE AND TELLURIDE ORES CONTINUED FROM 300 FT. TO ALMOST 800 FT.
Deposit Merged dat from Deposit Id's: 10196911 (Mayflower) 10101989 (West Mayflower Mine) 10070493 (Mayflower Mine)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JUN-1980 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey