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

Bassett's Arsenopyrite Mine

Occurrence in New Haven county in Connecticut, United States with commodities Arsenic, Iron, Sulfur, Quartz, Lead, 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10068200
MRDS ID W001148
Record type Site
Current site name Bassett's Arsenopyrite Mine
Related records 10215990

Geographic coordinates

Geographic coordinates: -73.09871, 41.34221 (WGS84)

Site location context

Political divisions (FIPS codes)

New Haven(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ansonia(quadrangle 1:24,000 scale)

Bridgeport(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Housatonic(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
Arsenic Critical Primary
Iron Secondary
Sulfur Secondary
Quartz Secondary
Lead Tertiary
Zinc Critical Tertiary

Comments on the commodity information

  • INFORMATION LACKING. MAINLY MEDIUM TO FINE GRAINED SILVERY GRAY TO MEDIUM GRAY MUSCOVITE SCHIST AND SLABBY MEDIUM LIGHT GRAY TO DARK GRAY QUARTZ RICH PARAGNEISS, IMPURE MARBLE AND CALCIC SILICATE ROCKS. SCHISTOSITY STRIKES N. 20 DEG. EAST; DIP SE. ADDITIONAL PROSPECTS 300 FEET ESE. IN SIMILAR SCHIST, AND 400 FEET TO NW. IN OLDER METAMORPHOSED GRANITE BELT ADJACENT TO TRIASSIC DIABASE DIKE. ORE OCCURS IN BUNCHES IN QUARTZY GNEISS ADJACENT TO TRIASSIC DIABASE. NUMBER OF VERTICAL EXCAVATIONS AND ONE HORIZONTAL ADIT MADE.

Materials information

Materials Type of material
Galena Ore
Pyrite Ore
Sphalerite Ore
Biotite Gangue
Garnet Gangue
Muscovite Gangue
Oligoclase Gangue
Quartz Unknown

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -73.09871, 41.34221
ListMap

Economic information

Ore body information

  • Strike N. 20 DEG. EAST
    Dip SE.

Controls for ore emplacement

  • Metamorphosed Sedimentary Beds

Comments on the geologic information

  • GEOL.DESC: ACCESSORY MINERALS ARE TOURMALINE, ILMENITE, CHLORITE, RUTILE, APATITE AND ZIRCON. OLDER METAMORPHOSED GRANITIC BELT IS PROSPECT GNEISS FORMATION.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Significant No

Mining district

District name Derby

Comments on the reserve resource information

  • INFORMATION LACKING. PROBABLY ONLY SMALL AMOUNT OF HIGH GRADE ARSENOPYRITE ORE AVAILABLE; STUDY NEEDED; SITE IN OSBORNDALE STATE PARK. PROSPECTED FOR SILVER BEFORE 1837.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    SHEPARD, C. U., 1837, "REPORT", CONN. GEOLOGICAL SURVEY, TEXT, PG. 55, 56

  • Reserve-Resource

    SHEPARD, 1837.

General comments

Subject category Comment text
Deposit FRITTS' MAP AT 1:24000 LOCATES MINE AND PROSPECTS BY SYMBOLS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1972 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