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Groveland Mine

Past Producer in Dickinson county in Michigan, United States with commodities Iron, Manganese
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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. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Ownership information
  18. Production statistics
  19. Reserves and resources
  20. Workings at the site
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10068373
MRDS ID W001399
Record type Site
Current site name Groveland Mine
Related records 10243161

Comments on the site names

  • IN THE FEIN THE FELCH TROUGH

Geographic coordinates

Geographic coordinates: -87.98142, 45.9925 (WGS84)
Elevation 431
Relative position FELCH TROUGH. ABOUT 3 1/2 MI E OF RANDVILLE,

Site location context

Political divisions (FIPS codes)

Dickinson(county)

Michigan(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Carney Lake(quadrangle 1:24,000 scale)

Escanaba(quadrangle 1:100,000 scale)

Escanaba(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Menominee(hydrologic unit)

Northwestern Lake Michigan(hydrologic accounting unit)

Northwestern Lake Michigan(hydrologic subregion)

Great Lakes(hydrologic region)

Geographic areas

Country State County
United States Michigan Dickinson

Public Land Survey System information

Meridian Township Range Section Fraction State
42N 29W 31 S 1/2 - N Michigan

Comments on the location information

  • LAT/LON IS FOR A TRENCH AT MINE SITE; POINT LOCATED IN SEC. 31: S 1/2 - NE, SE-NW, NE-SW, N 1/2 SE

Commodities

Commodity Importance
Iron Primary
Manganese Critical Primary

Comments on the commodity information

  • ORE WAS MAGNETITE (29.0 WT-PCT) AND HEMATITE (19.0 WT-PCT). IN THE UNDERGROUND MINE, THE ORE WAS HARD, GRAY, AND SILICEOUS. IT WAS CRUSHED PRIOR TO SHIPPING.

Materials information

Materials Type of material
Magnetite Ore
Hematite Ore
Quartz Gangue
Calcite Gangue
Diopside Gangue
Garnet Gangue
Tremolite Gangue
Actinolite Gangue
Cummingtonite Gangue

Alteration

  • (Local) Leaching of silica or replacement by iron oxides or a combination of these processes.

Mineral occurrence model information

Model code 241
USGS model code 34a
Deposit model name Superior Fe (BC name is Lake Superior & Rapitan types iron-formation)

Host and associated rocks

  • Host or associated Associated
    Rock type
    Rock unit name Granite Dikes
    Rock description Granite Dikes
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Iron Formation
    Rock unit name Vulcan Iron Formation
    Rock description Vulcan Iron Formation
    Stratigraphic age (youngest) Paleoproterozoic

Economic information

Geologic structures

Type of structure Regional
Structure description Felch trough ; regional trends: E-W
Type of structure Local
Structure description Overturned syncline

Ore body information

  • General form TABULAR: IRREGULAR
    Strike E00W
    Dip 70N
    Thickness 170M

Controls for ore emplacement

  • Vulcan iron fm. and the troughs into which the formation has slumped

Comments on the geologic information

  • HOST ROCKS ARE IN VULCAN FORMATION OF THE MENOMINEE GROUP. THE ORE BODY IS CUT BY SEVERAL N-S GRANITE DIKES

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Large
Significant No
Year of first production 1891
Year of last production 1982
Production years 1891; 1900-1904; 1907-1913. THE GROVELAND LOW-GRADE IRON PROJECT BEGAN IN AUG 1957. IN 1959 GROVELAND SHIPPED ITS FIRST JASPILITE ORE. IN JAN 198,1 THE MINE WAS CLOSED PERMANENTLY.

Mining district

District name Menominee Iron District (Range)

Ownership information

  • Type Owner
    Owner The Hanna Mining Co.
  • Type Operator
    Owner The Hanna Mining Company

Production statistics

  • Year 1970
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major pellets Fe Iron Iron 1814400mt
  • Year 1973
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major pellets Fe Iron Iron 1786670mt
  • Year 1975
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major pellets Fe Iron Iron 2032000mt
  • Year 1976
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major pellets Fe Iron Iron 1930400mt
  • Year 1982
    Period 1891-1982
    Material ore Fe
    Ore mined 36271200mt
    Accuracy Accurate

Comments on the production information

  • ORE=HARD, GRAY, SILICEOUS. ORE WAS SHIPPED THROUGH THE PORT AT ESCANABA, MI. LAKE SUPERIOR IRON ORE ASSOCIATION, 1952, HAS PRODUCTION FIGURES FOR INDIVIDUAL MINES AND LEASES.

Reserves and resources

  • Type In-situ
    Estimate year 1980
    Reserves 111667248

Comments on the reserve resource information

  • 1. USBM

Workings at the site

  • Type of workings Surface
    Overall depth 91.44M

Comments on the workings information

  • 1891 - 1913 WORKED BY STOPING TO DEPTH OF 300 FT. A PILOT PLANT WAS CONSTRUCTED IN 1951 TO TREAT LOW-GRADE SILICEOUS ORES BEGINNING IN 1952. SINCE 1952, WORKED AS AN OPEN PIT.

Comments on development

  • L70 - A COMPILATION BASED ON ALL WORK DONE TO DATE (1964) AT THE GROVELAND MINE. THE MINE WAS OPERATED AS AN UNDERGROUND MINE 1891 - 1913. SINCE 1951 LOW GRADE SILICEOUS ORES HAVE BEEN TREATED AT THIS MINE. THE MINE WAS REACTIVATED TO AN OPEN PIT MINE IN 1958. IN 1957, THE GROVELAND PROJECT BEGINNING CONSTRUCTION WAS TO CONSIST OF AN OPEN-PIT MINE AND A CONCENTRATING PLANT WITH A CAPACITY OF 700,000 LT OF CONCENTRATES/ YEAR. IN 1959 CAPACITY WAS EXPANDED TO 1,500,000 LT/YR. IN 1963, FACILITIES TO PRODUCE 1,250,000 LT OF PELLETS (>60% FE) WERE OPENED; THESE PELLETS WERE THE FIRST PARTIALLY FLUXED PELLETS ON THE U.S. MARKET. IN 1970, THE GROVELAND PLANT HAD A CAPACITY OF 2,000,000 LT PELLETS/ YEAR. IRON ORE WAS DISCOVERED IN DICKINSON COUNTY IN 1849; THE FIRST SHIPMENTS WERE MADE IN 1877.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit ARCHEAN CRYSTALLINE ROCKS OVERLAIN BY PALEOPROTEROZOIC SEDIMENTARY ROCKS. DURING ARCHEAN TIME, PALEOPROTEROZOIC ROCKS BLOCK FAULTED AND DIFFERENTIALLY RAISED; LOWERED; FORMING TROUGHS. PALEOPROTEROZOIC ROCKS AS SEDIMENTS SLUMPED INTO THE TROUGHS. AT GROVELAND MINE SLUMPED SEDIMENTS CONSIST OF A BASAL VULCAN QUARTZITE, AND LOWER, MIDDLE, AND UPPER VULCAN DEPOSITS. TOTAL THICKNESS MAY BE MORE THAN 550 FEET. THE BASAL VULCAN IS A QUARTZITE WITH TRACES OF MAGNETITE. THE LOWER VULCAN HAS MORE HEMATITE THAN MAGNETITE IN A NON-BANDED, PARTLY CLASTIC UNIT. THE MIDDLE VULCAN IS A TRANSITION UNIT CONSISTING OF INTERBEDDED LAYERS OF MAGNETITE-BEARING IRON FORMATION AND NON-BANDED OOLITIC HEMATITE. THE UPPER VULCAN IS A WELL-BANDED MAGNETITE-QUARTZ-SILICATE UNIT. THE ENTIRE VULCAN HAS SLUMPED INTO A TROUGH AND NOW APPEARS AS AN OVERTURNED SYNCLINE. AT ABOUT THE SAME TIME THAT SLUMPING TOOK PLACE THE ENTIRE AREA WAS REGIONALLY THERMAL METAMORPHOSED PRODUCING NODES OF METAMORPHISM THAT RANGE FROM CHLORITE TO SILLIMANITE, EXCLUSIVE OF KYANITE ONLY. GROVELAND MINE IS IN THE STAUROLITE ISOGRAD OF THESE METAMORPHIC ZONES.
Deposit AVERAGE DIMENSIONS OF MINERALIZATION (IN METERS) DEPTH 10, LENGTH 1118, WIDTH 213, THICKNESS 159. VULCAN IRON FORMATION CONSISTS OF THINLY BEDDED LAYERS OF MAGNETITE, MARTITE, AND SPECULARITE, ALTERNATING WITH QUARTZ-RICH LAYERS; MINOR LOW-IRON SILICATE MINERALS ARE PRESENT (DUTTON AND ZIMMER, 1968). THE FORMATION RANGES FROM 300-800 FT THICK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1972 Cannon, Suzanne S. U.S. Geological Survey
Updater 01-NOV-1995 Sutphin, D.M. (Cannon, W.F.) U.S. Geological Survey
Editor 01-MAY-1997 Mason Jr., G.T. U.S. Geological Survey

Beyond USGS

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

External references

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