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Maarmorilik Black Angel

Past Producer in Greenland, Denmark with commodities Cadmium, Lead, Silver, Zinc
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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. Mineral rights holdings
  11. Land status
  12. Ownership information
  13. Production statistics
  14. Reserves and resources
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. Reporter information

Geologic information

Identification information

Deposit ID 10133053
MAS/MILS ID 1010000001
Record type Site
Current site name Maarmorilik Black Angel
Alternate or previous names Black Angel

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -51.2224, 71.1086 (WGS84)
Elevation 600
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Greenland(province)

Denmark(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
Denmark Greenland

Commodities

Commodity Importance
Cadmium Secondary
Lead Primary
Silver Secondary
Zinc Critical Primary

Materials information

Materials Type of material
Arsenopyrite Unknown
Bornite Unknown
Chalcopyrite Unknown
Chert Unknown
Enargite Unknown
Galena Unknown
Pyrite Unknown
Sphalerite Unknown
Tennantite Unknown

Nearby scientific data

Ore Body (1) -51.2224, 71.1086
ListMap

Economic information

Ore body information

  • Length 700M
    Width 400M
    Area 25HA
    Depth to top 200M
    Field Value
    Type of Orebody #1 MASS SULFIDE
    Shape of Orebody #1 TABULAR
    Primary mode of Origin UNKNOWN
    Primary Ore Control FOLDING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 UNKNOWN
    Minimum Depth to Top 100
    Total Surface Area (HA) 25
    Date of Last Modification 830718

Comments on the geologic information

  • THICKNESS OF THE ANGEL ZONE RANGES FROM 0.5 TO 35.0 METERS. A SECOND DEPOSIT, THE COVER ZONE, IS 1125 METERS BY 190 METERS WITH A THICKNESS COMPARABLE TO THE ANGEL ZONE. THERE ARE THREE MAJOR ORE TYPES: BANDED, MASSIVE, AND PORPHYROCLASTIC.
  • MINERALS INCLUDE STANNITE AND LOELLINGITE.

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant Yes
Discovery year 1936
Mining method Open Stope - Room and Pillar
Year of first production 1973

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Ownership information

  • Type Operator
    Owner Greenex A/S Of Umanak
    Interest 100
    Home office Denmark
    Year 1981
  • Type Owner
    Owner Greenex A/S
    Home office Denmark
    Year 1981
  • Type Owner
    Owner Vestgron Mines Ltd
    Interest 37
    Home office Canada
    Year 1981
  • Type Owner
    Owner Cominco Ltd
    Interest 63
    Home office Canada
    Year 1981

Production statistics

  • Year 1973
    Description Initial Production 158700 Mtpy
  • Year 1974
    Material ore
    Ore mined 575000mt
    Description 575000 Mtpy
  • Year 1975
    Material ore
    Ore mined 590200mt
    Description 590200 Mtpy
  • Year 1976
    Material ore
    Ore mined 601799mt
    Description 601799 Mtpy
  • Year 1977
    Material ore
    Ore mined 553329mt
    Description 553329 Mtpy
  • Year 1978
    Description 621000 Mtpy
  • Year 1979
    Description 641000 Mtpy
  • Year 1980
    Description 648000 Mtpy

Comments on the production information

  • PRODUCTION OVER LIFE OF MINE WAS 11.3 M MT ORE AT 12% ZN; 4% PB AND 29 G/MT AG. THIS AMOUNTED TO 1.4 M MT ZN; 0.4 M MT PB & 250 MT AG, OVER A 17 YEAR LIFE SPAN.

Reserves and resources

  • Type In-situ
    Estimate year 1973
    Measured 13600000mt ore
    Demonstrated 13600000mt ore
    Total resources 13600000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4 wt-pct Lead Major 1973
    Zinc Zn 12.3 wt-pct Zinc Major 1973
    Silver Ag 29 g/mt Silver Minor 1973
  • Type In-situ
    Estimate year 1980
    Measured 3177000mt ore
    Demonstrated 3177000mt ore
    Total resources 3177000mt ore
    Commodity Subtype Grade units Group Importance Year
    Lead Pb 4.4 wt-pct Lead Major 1980
    Zinc Zn 13.4 wt-pct Zinc Major 1980
    Silver Ag 31 g/mt Silver Minor 1980

Workings at the site

  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method ROOM AND PILLAR 10-34
    Percent Recovery 85
    Hardness of Rock HARDROCK WITH LITTLE WATER
    Rock Characteristics ONE SYSTEM OF WEAKNESS PLANES
    Rock Support Chars. UNKNOWN
    Mine Support Chars. UNKNOWN
    1st Condition of Workings UNKNOWN
    Capacity 2051
    Capacity Units MT ORE/DAY
    Unit Production Cost 22.3
    Units of Production $/MT ORE
    Operating Days per Year 312
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Reserve-Resource

    MINING JOURNAL, LONDON, MARCH 1, 1996, V 326, # 8367,

  • Reserve-Resource

    "GREENLAND; COUNTRY SUPPLEMENT', 23 PP.

  • Deposit

    VESTGRON MINES LTD., 1980 ANNUAL REPORT, P.3.

  • Deposit

    BLACK ANGEL MINE, RESUME OF A FILM BY GREENEX A/S AND OTHERS

  • Deposit

    IN LEAD-ZINC UPDATE-1977, SOC. OF MIN. ENG. OF AIME,

  • Deposit

    CHAPTER 6, PP. 111-115.

  • Deposit

    BRIDGEWATER, D. ET. AL., DEVELOPMENT OF THE PRECAMBRIAN

  • Deposit

    SHIELD IN WEST GREENLAND, LABRADOR AND BAFFIN ISLAND IN

  • Deposit

    ARTIC GEOL. EDITOR PITCHER, MAX G. PUBL., AAPG, 1973,

  • Deposit

    PP. 99-116.

  • Deposit

    COMINCO LTD., ANN. RPTS. 1972-79.

  • Deposit

    E/MJ, SEPT. 1973, PP. 81-82.

  • Deposit

    GREENEX A/S ANN. RPT., 1979-80.

  • Deposit

    MASTERS, KEITH, EXPLORATION AND MINING UNDER PERMAFROST

  • Deposit

    CONDITIONS AT THE BLACK ANGEL MINE, MARMORILIK, GREENLAND,

  • Deposit

    ERZMETALL, VOL. 28, NO. 3, 1975, PP. 93-98.

  • Deposit

    NIELSEN, B.L., A SURVEY OF THE ECONOMIC GEOLOGY OF GREENLAND

  • Deposit

    GRONLANDS GEOLOGISKE, UNDENSOGELSE RAPPORT, NR. 56, 1973,

  • Deposit

    PP. 18-19 AND MAP.

  • Deposit

    NOAKES, P.J., DEVELOPMENT OF A STABLE SOCIAL UNIT AT THE

  • Deposit

    BLACK ANGEL MINE, PRESENTED AT 79TH ANN. MEETING OF CIM,

  • Deposit

    APR. 1977.

  • Deposit

    PETERSEN, F.D., REMOBILIZATION OF THE MASSIVE SULFIDE ORE

  • Deposit

    OF THE BLACK ANGEL MINE, CENTRAL WEST GREENLAND, ECON.

  • Deposit

    GEOL., VOL. 75, 1980, PP. 1022-1041.

  • Deposit

    MINING IN BELOW FREEZING CONDITIONS AT THE BLACK ANGEL IN

  • Deposit

    GREENLAND, SOUTH AFRICAN MINING AND ENGINEERING JOUR.,

  • Deposit

    SEPT. 1979, PP. 65-68.

  • Deposit

    VESTGRON MINES LTD., ANN. RPTS., 1975-80.

  • Deposit

    WORLD MINING, SYNOPSIS OF REPORT BY NEILSEN, B.L., MAR. 1974

  • Deposit

    PP. 52-54.

Reporter information

Type Date Name Affiliation Comment
Reporter 20-NOV-1996 Eastern Field Operations Center (EFOC) 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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