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

Dolerite Rock Quarry No. Dk-020

Past Producer in New Haven county in Connecticut, United States with commodity Stone, Crushed/Broken
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. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10067796
MRDS ID W000634
Record type Site
Current site name Dolerite Rock Quarry No. Dk-020

Geographic coordinates

Geographic coordinates: -72.88703, 41.29999 (WGS84)

Site location context

Political divisions (FIPS codes)

New Haven(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

New Haven(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
Stone, Crushed/Broken Primary

Comments on the commodity information

  • INFORMATION LACKING. DOLERITE TOUGH, FINE GRAINED, AND BLACK. TOPO SHOWS QUARRY ABOUT 400 FEET LONG NORTH TO SOUTH, 200 TO 300 FEET WIDE EAST TO WEST, WITH WORKING FACE ABOUT 50 FEET HIGH TO NW. AND NORTH. ADDITIONAL QUARRY LOCATED 1100 FEET TO EAST, ABOUT 400 FEET LONG NORTH TO SOUTH, 200 FEET WIDE EAST TO WEST, WITH WORKING FACE 50 FEET HIGH TO NW. AND NORTH.

Materials information

Materials Type of material
Diabase Ore
Apatite Gangue
Feldspar Gangue
Magnetite Gangue
Pyroxene Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
    Stratigraphic age (youngest) Late Triassic
    Stratigraphic age (youngest) Late Triassic
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -72.88703, 41.29999
ListMap

Economic information

Controls for ore emplacement

  • Mafic Extrusive Flows

Comments on the geologic information

  • GEOL.DESC: WEST ROCK DOLERITE FLOWS IN CONN. TRIASSIC BASIN.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years UNKNOWN

Mining district

District name East Haven

Comments on the production information

  • INFORMATION LACKING. THE SIZE OF THE PITS INDICATES A LARGE VOLUME OF CRUSHED STONE WAS PRODUCED.

Comments on the reserve resource information

  • FIGURES LACKING. LARGE VOLUME OF ROCK REMAINS BUT SITES ADJACENT TO URBAN AREA.

Workings at the site

  • Type of workings Unknown
    Overall length 121.92M
    Overall width 91.44M

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    GREGORY, H. E., 1906, "GEOL. MAP OF CONN.", CONN. GEOLOGICAL SURVEY, BULL. NO. 7, TEX

  • Production

    GREGORY, 1906.

General comments

Subject category Comment text
Deposit GREGORY'S MAP AT 1:250000 LOCATES QUARRY BY SYMBOL. USGS, TOPO, 1967, "NEW HAVEN" AT 1:24000 SHOWS QUARRIES BY TOPOGRAPHY; WEST QUARRY SITE HAS SMALL PONDS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-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