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  3. Mineral Resource Data System (MRDS)

Almaden

Producer in Spain with commodity Mercury
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Ore body information
  8. Economic information about the deposit and operations
  9. Mining district
  10. Ownership information
  11. Workings at the site
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10182719
MAS/MILS ID 4690250003
Record type Site
Current site name Almaden

Geographic coordinates

Geographic coordinates: -4.49818, 38.46927 (WGS84)

Site location context

Political divisions (FIPS codes)

Spain(country)

Europe(continent)

Land(continent)

Geographic areas

Country
Spain

Commodities

Commodity Importance
Mercury Primary

Nearby scientific data

(1) -4.49818, 38.46927
ListMap

Economic information

Ore body information

  • Field Value
    MAS Matrix # 1
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 IRREGULAR
    Shape of Orebody #3 PIPELIKE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 UNKNOWN
    Avg. Thick. Unconsol. Mat. 5
    Min. Thick. Unconsol. Mat. 3
    Date of Last Modification 911004
  • Length 200M
    Width 5M
    Depth to top 125M
    Field Value
    MAS Matrix # 2
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Shape of Orebody #2 IRREGULAR
    Shape of Orebody #3 PIPELIKE
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Degree of Wallrock Alter. MODERATE
    Type of Wallrock Alter. #1 UNKNOWN
    Avg. Thick. Unconsol. Mat. 140
    Date of Last Modification 911004
  • Length 100M
    Width 4.5M
    Depth to top 185M
    Field Value
    MAS Matrix # 3
    MAS Column # 1
    Type of Orebody #1 FISSURE VEIN
    Shape of Orebody #1 TABULAR
    Type of Orebody #2 REPLACEMENT
    Type of Orebody #3 STRATIFORM
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FRACTURING
    Secondary Ore Control FAULTING
    Type of Wallrock Alter. #1 UNKNOWN
    Avg. Thick. Unconsol. Mat. 27
    Date of Last Modification 911004

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Mining method Caving Methods - Other Caving Methods
Milling method Distillation

Mining district

District name Alma District

Ownership information

  • Type Owner-Operator
    Owner Minas De Almaden Y Arrayanes, Sa
    Interest 100
    Home office Spain
    Year 1983

Workings at the site

  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 2
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 77.8
    Avg. Overburden Thickness 125
    Primary Material Cover M-HARD ROCKS
    Percentage 100
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 10
    Capacity 167
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 330
    Year of Information 1982
  • Type of workings Surface
    Field Value
    MAS Development Schedule # 1
    Mining Record # 3
    Status of Mining Method PROPOSED
    Mining Method OPEN PIT
    Percent Waste Rock 77.8
    Avg. Overburden Thickness 125
    Primary Material Cover M-HARD ROCKS
    Hardness of Ore M-HARD ROCKS
    Avg. Bench Height (meters) 10
    Capacity 167
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 330
    Year of Information 1982
  • Type of workings Underground
    Overall depth 620M
    Field Value
    MAS Development Schedule # 1
    Mining Record # 1
    Status of Mining Method ESTIMATE
    Mining Method OVERHAND 10-38
    Percent Recovery 91
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Number of Shafts 4
    1st Condition of Workings OPEN
    Capacity 240
    Capacity Units MT ORE/DAY
    Operating Days per Year 330
    Year of Information 1982
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 4
    Status of Mining Method PROPOSED
    Mining Method OTHER CAVING METHODS
    Percent Recovery 91
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    Length of Inclines (m) 2125
    Slope of Inclines 13
    Number of Inclines 1
    1st Condition of Workings OPEN
    Capacity 247
    Capacity Units MT ORE/DAY
    Units of Production $/MT ORE
    Operating Days per Year 330
    Year of Information 1982
  • Type of workings Underground
    Field Value
    MAS Development Schedule # 1
    Mining Record # 5
    Status of Mining Method PROPOSED
    Mining Method OTHER CAVING METHODS
    Percent Recovery 91
    Hardness of Rock UNKNOWN
    Rock Characteristics UNKNOWN
    Rock Support Chars. UNKNOWN
    1st Condition of Workings OPEN
    Capacity 80
    Capacity Units MT ORE/DAY
    Operating Days per Year 330
    Year of Information 1987

Reference information

Bibliographic references

  • Deposit

    WORLD MINES REGISTER 1976-77 P. 155.

  • Deposit

    METALS SOURCEBOOK 12/10/73 ITEM NO. (A5248).

  • Deposit

    WORLD MINING, VOL. 6, NO. 8, JULY 1970, P.4.

  • Deposit

    HOW SPAIN PLANS TO DOUBLE MINE OUTPUT BY 1980, WORLD MINING

  • Deposit

    JUNE 1972.

  • Deposit

    THE MINERAL INDUSTRY OF SPAIN BY SCOTT F. SIBLEY, MINERALS

  • Deposit

    YEARBOOK, VOL III, 1973, P. 796.

  • Deposit

    SILVER STREAMS - THE FABULOUS MERCURY MINES OF ALMADEN,

  • Deposit

    E&MJ, FEBRUARY, 1989.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-JAN-1993 Minerals Availability Field Office (Mafo) 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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