Tallman's Copper Mine

Past Producer in New Haven county in Connecticut, United States with commodities Copper, Sulfur, Barium-Barite
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10067478
MRDS ID W000253
Record type Site
Current site name Tallman's Copper Mine
Related records 10191704

Geographic coordinates

Geographic coordinates: -72.89853, 41.44299 (WGS84)

Site location context

Political divisions (FIPS codes)

New Haven(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Carmel(quadrangle 1:24,000 scale)

New Haven(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Quinnipiac(hydrologic unit)

Connecticut Coastal(hydrologic accounting unit)

Connecticut Coastal(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut New Haven

Commodities

Commodity Importance
Copper Primary
Sulfur Primary
Barium-Barite Critical Primary

Comments on the commodity information

  • Shaft 50 Foot Deep, 1837, Adit On Lower Hill Slope 100 Foot Long May Connect To Main Shaft. Prospects Along North-South Strike For Distance of 1000 Feet, and 200 Feet Nw. of Adit Opening. Ore Zone At Contact of Diabase Dike and Sandstone. Dike Dip Near
  • SHAFT 50 FOOT DEEP, 1837, ADIT ON LOWER HILL SLOPE 100 FOOT LONG MAY CONNECT TO MAIN SHAFT. PROSPECTS ALONG NORTH-SOUTH STRIKE FOR DISTANCE OF 1000 FEET, AND 200 FEET NW. OF ADIT OPENING. ORE ZONE AT CONTACT OF DIABASE DIKE AND SANDSTONE. DIKE DIP NEAR VERTICAL, SANDSTONE BEDS DIP 5 DEG. EASTERLY. SILVER.

Materials information

Materials Type of material
Barite Ore
Malachite Ore
Chalcocite Ore

Analytical data

Result SAMPLE ASSAY BCT 188 SHOWS AG 3PPM, BA 500PPM, CU 500PPM, PB 10PPM, ZN N PPM.

Mineral occurrence model information

Model code 87
USGS model code 23
Deposit model name Basaltic Cu (BC name is Volcanic redbed Cu)
Mark3 model number 118

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Arkose

Nearby scientific data

(1) -72.89853, 41.44299

Economic information

Comments on the geologic information

  • Geol.Desc: Buttress Diabase Thin, Near Vertical, Dike Rock That Cuts Near Horizontal, Upper Triassic West Rock Diabase Sill. West Rock Diabase About 500 Feet Thick Intrudes Upper Triassic New Haven Arkose Formation About 1500 To 2000 Feet Thick, Which
  • GEOL.DESC: BUTTRESS DIABASE THIN, NEAR VERTICAL, DIKE ROCK THAT CUTS NEAR HORIZONTAL, UPPER TRIASSIC WEST ROCK DIABASE SILL. WEST ROCK DIABASE ABOUT 500 FEET THICK INTRUDES UPPER TRIASSIC NEW HAVEN ARKOSE FORMATION ABOUT 1500 TO 2000 FEET THICK, WHICH IS UNDERLAIN BY WEPAWAUG SCHIST OF BANDED ARGILLACEOUS, SILICEOUS, AND MINOR PYRITIC CALCAREOUS METASEDIMENTARY ROCKS, SEVERAL THOUSAND FEET THICK, OF SILURIAN AND DEVONIAN AGE, OR OLDER SCHISTS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Significant No
Production years EARLY 1830 TO 1835

Mining district

District name Cheshire

Comments on the production information

  • ONLY SMALL QUANTITIES OF HIGH-GRADE COPPER ORE PRODUCED.

Comments on the reserve resource information

  • FIGURES LACKING, BUT PROBABLY ONLY MINOR QUANTITIES OF HIGH-GRADE COPPER ORE AVAILABLE.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    FRITTS, C. E., 1963, "GEOL. MAP OF MOUNT CARMEL QUAD.", USGS, GQ-199, SHORT TEXT

  • Production

    SHEPARD, 1837

  • Deposit

    Fritts, C. E., 1963, "Geol. Map Of Mount Carmel Quad.", Usgs, Gq-199, Short Text

  • Deposit

    Harte, C.R., 1944, Connecticut'S Iron And Copper, Ct. Society Of Civil Engineers, 60th Annual Report, Pg. 160-162

  • Deposit

    Weed, W. H., 1911, "Copper Deposits Of The Appalachian States," USGS Bulletin 455, Pg. 37Weed, W. H., 1911, "Copper Deposits Of The Appalachian States," USGS Bulletin 455, Pg. 37

  • Deposit

    Hartley, R.M., 1959, History Of Hamden, Ct. 1786-1959, The Shoe String Press, Inc., Hamden, Ct., Pg. 45

General comments

Subject category Comment text
Deposit Fritts Geol. Map At 1:24,000, Locates By Symbols, 7 Major Prospect Sites and One Adit. Tallman Mine Assay Sample, "USGS Lab Files", Sample No. Bct 188 In Hm 3336 ; Info.Src : 1 Pub Lit
Deposit FRITTS GEOL. MAP AT 1:24,000, LOCATES BY SYMBOLS, 7 MAJOR PROSPECT SITES AND ONE ADIT. TALLMAN MINE ASSAY SAMPLE, "USGS LAB FILES", SAMPLE NO. BCT 188 IN HM 3336 ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1972 Windolph, John F. U.S. Geological Survey
Editor 19-MAR-2003 Nicholson, S.W. U.S. Geological Survey Combined This Record With Information From Record W000448: Then Deleted Record W000448
Updater 20-AUG-1997 Mchone, Nancy Connecticut Geological and Natural History Survey Added Model_Num And Model: Noted Duplicate Record Number W000448
Reporter 01-NOV-1983 Whitlow, S. U.S. Geological Survey

Beyond USGS

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