1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Davis Pyrite Mines

Producer in Franklin county in Massachusetts, United States with commodities Sulfur, Iron, Copper, Zinc
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Production statistics
  18. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10110223
MRDS ID W000062
Record type Site
Current site name Davis Pyrite Mines
Related records 10194165

Geographic coordinates

Geographic coordinates: -72.86563, 42.68276 (WGS84)
Elevation 408
Relative position 2.4 MILES WNW OF HEATH

Site location context

Political divisions (FIPS codes)

Franklin(county)

Massachusetts(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Heath(quadrangle 1:24,000 scale)

Keene(quadrangle 1:100,000 scale)

Albany(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Deerfield River(hydrologic unit)

Lower Connecticut(hydrologic accounting unit)

Connecticut(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Massachusetts Franklin

Commodities

Commodity Importance
Sulfur Primary
Iron Primary
Copper Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Sphalerite Ore

Alteration

  • (Local) Regional Metamorphism

Mineral occurrence model information

Model code 184
USGS model code 28a
Deposit model name Massive sulfide, kuroko
Mark3 model number 93

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Hawley Schist, Interbedded Amphibolites, Greenstones, And Feldspathic Schists And Granulites, Mica Schists
    Rock description Hawley Schist, Interbedded Amphibolites, Greenstones, And Feldspathic Schists And Granulites, Mica Schists
    Stratigraphic age (youngest) Middle Ordovician
    Stratigraphic age (youngest) Middle Ordovician

Nearby scientific data

(1) -72.86563, 42.68276
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description East Limb Of Berkshire Anticlinorium ; Reg.Trends: Northeast
Type of structure Local
Structure description None

Ore body information

  • General form POD
    Strike N. 30 DEG. E.
    Dip 70 DEG. E.
    Thickness 7.32M
    Length 274.32M
    Width 18.59M
    Depth to bottom 304.8M

Controls for ore emplacement

  • Contact Between Sericite Schist On West, Chlorite Schist On East

Comments on the geologic information

  • MAJOR.UNITS: SERICITIC AND CHLORITIC SCHIST, AMPHIBOLITE ; GEOL.DESC: MASSIVE POD OF ALMOST PURE, COARSE GRANULAR PYRITE WITH SOME CHALCOPYRITE AND SPHALERITE, LENGTH 900 FT., WIDTH 6-24 FT., THICKNESS 24 FT., STRIKE N 30 DEG. E, INCLINED 70 DEG. E, DIP LENGTH 1,400 FT. MINED FOR SULFUR ; REG.COM: MASSIVE SULFIDE DEPOSIT PARALLEL TO BEDDING AND AT CONTACT BETWEEN SERICITE SCHIST ON WEST AND CHLORITE SCHIST ON EAST; AMPHIBOLITE BANDS IN SCHIST

Economic information about the deposit and operations

Development status Producer
Commodity type Both
Significant No
Discovery year 1832
Year of first production 1882

Mining district

District name Charlemont

Ownership information

  • Type Owner
    Owner Herbert J. Davis

Production statistics

  • Year 1908
    Period 1908
    Material CU
    Accuracy Accurate
    Description Cp_Grade: ^100 % Copper Metal
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Copper Copper 100wt-pct

Comments on the production information

  • PRODUCTION IN 1910 OF 100 TONS PER DAY NOT ADDED TO TOTAL PRODUCTION AS DAYS WORKED UNKNOWN (ITEM 2); S 48%, FE 44%, CU 1.6%, ZN AND PB 1.5%, SIO2 3.7%, AS NOT DETECTED.

Comments on the reserve resource information

  • DEPOSIT MINED OUT
  • NEARLY ALL AVAILABLE HIGH GRADE SULFUR ORE REMOVED
  • POTENTIAL ORE RESOURCES OF THE DAVIS MINE SMALL, BUT OTHER PROSPECTS IN AREA MAY HAVE ECONOMIC ORE POTENTIAL.

Workings at the site

  • Type of workings Underground
    Length 426.72M
    Overall depth 304.8M

Comments on the workings information

  • MINED OUT; PILLARS ROBBED AND WORKINGS COLLAPSED

Comments on development

  • NO DETAILED STUDIES OR ANALYSES OF THE ORE HAVE BEEN MADE ; ECON.COM: MINED FOR SULFUR WHEN SULFUR AT HIGH PRICE; ORE ALSO LEACHED FOR COPPER.

Reference information

Bibliographic references

  • Deposit

    HATCH, N. L., JR., 1968, USGS GQ 735

  • Deposit

    1968 GEOLMAP HATCH, N. L., JR., MAP AND TEX

  • Production

    WEED, W. H., 1911

General comments

Subject category Comment text
Deposit DIAMETER OF ORE POD 6 FT. TO 24 FT.; LENGTH 1400 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1971 D'Agostino, John P. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site