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  3. Mineral Resource Data System (MRDS)

Vassbo/Guttusjo

Producer in Stockholms Lan, Sweden with commodities Lead, Silver
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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. Ownership information
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10255595
MAS/MILS ID 4010190005
Record type Site
Current site name Vassbo/Guttusjo

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: 12.51971, 61.94875 (WGS84)
Elevation 600
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Stockholms Lan(province)

Sweden(country)

Europe(continent)

Land(continent)

Geographic areas

Country State
Sweden Stockholms Lan

Commodities

Commodity Importance
Lead Primary
Silver Secondary

Materials information

Materials Type of material
Galena Unknown

Nearby scientific data

Ore Body (1) 12.51971, 61.94875
ListMap

Economic information

Ore body information

  • Thickness 3M
    Length 2750M
    Width 150M
    Area 60HA
    Field Value
    Type of Orebody #1 DISSEMINATED
    Shape of Orebody #1 OTHER
    Type of Orebody #2 STRATABOUND
    Primary mode of Origin OTHER
    Primary Ore Control BEDDING
    Secondary Ore Control LITHOLOGY
    Total Surface Area (HA) 60
    Date of Last Modification 830714

Comments on the geologic information

  • GALENA IS ARGENTIFEROUS. SPHALERITE IS PRESENT AT VASSBO BUT ABSENT AT GUTTUSJO.
  • ORE MINERALS FILL THE INTERSTICES IN THE QUARTZ SANDSTONE. THE QUARTZ SANDSTONE IS UNDERLAIN BY A CALCAREOUS SANDSTONE AND OVERLAIN BY A PHOSPHORITE BED AND AN ALUM SHALE. DEPOSIT FORMED BY LOW TEMPERATURE HYDROTHERMAL SOLUTIONS. STRIKE: N10W.
  • HISTORY GIVEN IS FOR GUTTUSJO MINE. VASSBO WAS DISCOVERED IN 1948 BY TRACING LEAD-RICH BOULDERS IN THE GLACIAL BOULDER TRAIN TO THEIR SOURCE. THE MINE OPENED IN 1960. KNOWLEDGE THAT ORE OCCURS WHERE THE QUARTZ SANDSTONE THICKENS, THE RESULT OF EROSIONAL DEPRESSIONS OCCURRING OVER DIABASE DIKES IN THE BASEMENT ROCK, LEAD TO THE DISCOVERY OF THE DEPOSIT AT THE GUTTUSJO MINE

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Discovery year 1971

Ownership information

  • Type Owner-Operator
    Owner Boliden Metall Ab
    Interest 100
    Year 1981

Comments on the reserve resource information

  • RESOURCES REMAINING AT VASSBO ARE 441,000 MT; GUTTUSJO RESOURCES ARE 2,792,000 MT.

Workings at the site

  • Type of workings Underground
    Length 1000M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ACTUAL
    Mining Method ROOM AND PILLAR 10-34
    Percent Recovery 77
    Hardness of Rock HARDROCK FISSURED WITH MODERATE WATER
    Number of Shafts 1
    Number of Inclines 1
    1st Condition of Workings OPEN
    2nd Condition of Workings FLOODED
    Capacity 962
    Capacity Units MT ORE/DAY
    Unit Production Cost 11.54
    Units of Production $/MT ORE
    Operating Days per Year 312
    Operating Shifts per Day 2
    Year of Information 1981

Reference information

Bibliographic references

  • Deposit

    WORLD MINES REGISTER 1976-77 P159

General comments

Subject category Comment text
Deposit PINCOCK, ALLEN AND HOLT NOTIFIED THE BUREAU OF MINES ON 2/1/5/82 THAT THEY HAD LEARNED THROUGH PERSONAL CONTACTS THAT BOLIDEN HAD EXHAUSTED ORE RESOURCES AT VASSBO AND WOULD NOT OPEN GUTTSJO BECAUSE THE ORE GRADE HAD PROVED TO BE ERRATIC IN GRADE AND TONNAGE.

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-84 Gazdik 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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